In our experiments, commercially available shredded plastics were procured and washed before pyrolysis. Pyrolysis it is one of the most favorable and effective disposing methods, the process is an environmentally friendly and efficient way to eliminate the effect of plastic. Pyrolysis is the thermal degradation of solid wastes at high temperatures (250- 325โ) in the absence of air (and oxygen). The main process given below:
1. Identification of waste plastics. (PE/PP/PS/LDPE/HDPE)
2. Crash and cut the plastic for the pyrolysis process
3. Condensation of the gas to obtain raw fuel.
4. Collect the sample and perform tests to identify the kinds of fuel produced.
Experimental Investigation On Mechanical Properties Of Hybrid Jute Fiber Rein...dbpublications
ย
The composite manufacturing has been a wide area of research and it is the preferred choice due to its superior properties like low density, stiffness, light weight and possesses better mechanical properties. This has found its wide applications in aerospace, automotive, marine and sporting industries. There has been continuous lookout for synthesizing composites without compromising on the mechanical and physical properties. In this project, fiber reinforced composites is preparing with jute fibers & glass fiber of fiber length 5-6 mm. The resins used in this study are epoxy. The prepared composites were tested to study the mechanical properties of the composite such as tensile strength, flexural strength, impact strength and hardness.
A Research on Properties of Concrete with Partial Replacement of Aggregates b...ijtsrd
ย
Solid waste management is among the key environmental issues in India. The current research applies to the usage of or even recycled plastics as an alternative for rough aggregates in concrete. The primary goal of the analysis is to investigate the modification in the physical attributes of concrete by the inclusion of plastics to concrete. In addition to the physical qualities, winter qualities of the ensuing concrete may also be analyzed. The utilization of plastic aggregates was discovered to lead to the development of sturdy concrete. Additionally, with the plastics, the tensile and compressive strength of the concrete reduces. The foremost change brought approximately by using plastics is the fact that concrete's thermal conductivity is decreased due to the utilization of plastics. It is able to thus be declared recycled plastics are usually utilized for thermal insulation of structures. Series of experiments had been performed in this current study for a comparison of the usage of Used Plastic as a replacement of sand in various different proportions. The main conclusions drawn was that the compressive strength increases with the inclusion of Used Plastic upto a certain proportions and then reduces the strength. Monu | Er Sumesh Jain "A Research on Properties of Concrete with Partial Replacement of Aggregates by Waste Plastic" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-4 | Issue-1 , December 2019, URL: https://www.ijtsrd.com/papers/ijtsrd29875.pdf Paper URL: https://www.ijtsrd.com/engineering/civil-engineering/29875/a-research-on-properties-of-concrete-with-partial-replacement-of-aggregates-by-waste-plastic/monu
To Study the Properties of Concrete with Partial Replacement of Aggregates by...ijtsrd
ย
Solid waste management is among the key environmental issues in India. The current research applies to the usage of or even recycled plastics as an alternative for rough aggregates in concrete. The primary goal of the analysis is to investigate the modification in the physical attributes of concrete by the inclusion of plastics to concrete. In addition to the physical qualities, winter qualities of the ensuing concrete may also be analyzed. The utilization of plastic aggregates was discovered to lead to the development of sturdy concrete. Additionally, with the plastics, the tensile and compressive strength of the concrete reduces. The foremost change brought approximately by using plastics is the fact that concrete's thermal conductivity is decreased due to the utilization of plastics. It is able to thus be declared recycled plastics are usually utilized for thermal insulation of structures. Series of experiments had been performed in this current study for a comparison of the usage of Used Plastic as a replacement of sand in various different proportions. The main conclusions drawn was that the compressive strength increases with the inclusion of Used Plastic upto a certain proportions and then reduces the strength. Monu | Er Sumesh Jain "To Study the Properties of Concrete with Partial Replacement of Aggregates by Waste Plastic" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-4 | Issue-1 , December 2019, URL: https://www.ijtsrd.com/papers/ijtsrd29874.pdf Paper URL: https://www.ijtsrd.com/engineering/civil-engineering/29874/to-study-the-properties-of-concrete-with-partial-replacement-of-aggregates-by-waste-plastic/monu
Experimental Investigation On Mechanical Properties Of Hybrid Jute Fiber Rein...dbpublications
ย
The composite manufacturing has been a wide area of research and it is the preferred choice due to its superior properties like low density, stiffness, light weight and possesses better mechanical properties. This has found its wide applications in aerospace, automotive, marine and sporting industries. There has been continuous lookout for synthesizing composites without compromising on the mechanical and physical properties. In this project, fiber reinforced composites is preparing with jute fibers & glass fiber of fiber length 5-6 mm. The resins used in this study are epoxy. The prepared composites were tested to study the mechanical properties of the composite such as tensile strength, flexural strength, impact strength and hardness.
A Research on Properties of Concrete with Partial Replacement of Aggregates b...ijtsrd
ย
Solid waste management is among the key environmental issues in India. The current research applies to the usage of or even recycled plastics as an alternative for rough aggregates in concrete. The primary goal of the analysis is to investigate the modification in the physical attributes of concrete by the inclusion of plastics to concrete. In addition to the physical qualities, winter qualities of the ensuing concrete may also be analyzed. The utilization of plastic aggregates was discovered to lead to the development of sturdy concrete. Additionally, with the plastics, the tensile and compressive strength of the concrete reduces. The foremost change brought approximately by using plastics is the fact that concrete's thermal conductivity is decreased due to the utilization of plastics. It is able to thus be declared recycled plastics are usually utilized for thermal insulation of structures. Series of experiments had been performed in this current study for a comparison of the usage of Used Plastic as a replacement of sand in various different proportions. The main conclusions drawn was that the compressive strength increases with the inclusion of Used Plastic upto a certain proportions and then reduces the strength. Monu | Er Sumesh Jain "A Research on Properties of Concrete with Partial Replacement of Aggregates by Waste Plastic" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-4 | Issue-1 , December 2019, URL: https://www.ijtsrd.com/papers/ijtsrd29875.pdf Paper URL: https://www.ijtsrd.com/engineering/civil-engineering/29875/a-research-on-properties-of-concrete-with-partial-replacement-of-aggregates-by-waste-plastic/monu
To Study the Properties of Concrete with Partial Replacement of Aggregates by...ijtsrd
ย
Solid waste management is among the key environmental issues in India. The current research applies to the usage of or even recycled plastics as an alternative for rough aggregates in concrete. The primary goal of the analysis is to investigate the modification in the physical attributes of concrete by the inclusion of plastics to concrete. In addition to the physical qualities, winter qualities of the ensuing concrete may also be analyzed. The utilization of plastic aggregates was discovered to lead to the development of sturdy concrete. Additionally, with the plastics, the tensile and compressive strength of the concrete reduces. The foremost change brought approximately by using plastics is the fact that concrete's thermal conductivity is decreased due to the utilization of plastics. It is able to thus be declared recycled plastics are usually utilized for thermal insulation of structures. Series of experiments had been performed in this current study for a comparison of the usage of Used Plastic as a replacement of sand in various different proportions. The main conclusions drawn was that the compressive strength increases with the inclusion of Used Plastic upto a certain proportions and then reduces the strength. Monu | Er Sumesh Jain "To Study the Properties of Concrete with Partial Replacement of Aggregates by Waste Plastic" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-4 | Issue-1 , December 2019, URL: https://www.ijtsrd.com/papers/ijtsrd29874.pdf Paper URL: https://www.ijtsrd.com/engineering/civil-engineering/29874/to-study-the-properties-of-concrete-with-partial-replacement-of-aggregates-by-waste-plastic/monu
Development of composite structure from recycled materialPradeepKumar3728
ย
The circular economy is the need of an hour, keeping this in view I have developed a composite structure using the blend of used Polyethelene terephthalate bottles, Calcium Carbonate filler, and a natural resin called lac for commercial product and interior designing. This experiment was performed using two processes i.e casting and injection molding for the comparative analysis of the structure produced using the above-said process.
A Trial Investigation on Reinforced Concrete using Waste Fibreijtsrd
ย
The expanding measure of waste material from industry is a concerning reality that has started the manageability issues of the climate and biology of earth surface. The creation of fiber in the business represents the an Earth wide temperature boost by delivering the carbon dioxide and other destructive gases in the air during its assembling. It likewise measure burn through at the hour of assembling and utilizing on the field. Hence, detailing of cement with mechanical waste can help in limiting the natural and environmental issues. In this investigation fiber squander polypropylene fiber was utilized as an extra material of concrete cement. Polypropylene fiber PPF is a manufactured hydrocarbon polymer which was added to improve the quality of the solid for example compressive and split rigidity. In this examination Amit Singh | Rohit Jain "A Trial Investigation on Reinforced Concrete using Waste Fibre" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-4 | Issue-6 , October 2020, URL: https://www.ijtsrd.com/papers/ijtsrd33464.pdf Paper Url: https://www.ijtsrd.com/engineering/civil-engineering/33464/a-trial-investigation-on-reinforced-concrete-using-waste-fibre/amit-singh
A Research onto Study the Properties of Concrete with Partial Replacement of ...ijtsrd
ย
Plastic waste management is the main environmental issues in our country. The present study applies to the usage of recycled plastics as an alternative for aggregates in concrete. The motive of the study is to investigate the alteration in the physical qualities of concrete by the use of waste of plastics in concrete. The utilization of plastic aggregates was discovered to lead to the development of sturdy concrete. Additionally, with the plastics, the tensile and compressive strength of the concrete reduces. The foremost change brought approximately by using plastics is the fact that concreteโs thermal conductivity is decreased due to the utilization of plastics. It is able to thus be declared recycled plastics are usually utilized for thermal insulation of structures.Series of experiments had been performed in this current study for a comparison of the usage of Used Plastic as a replacement of sand in various different proportions. The main conclusions drawn was that the compressive strength increases with the inclusion of Used Plastic upto a certain proportions and then reduces the strength. Paras Kumar Yadav | Amit Kumar "A Research onto Study the Properties of Concrete with Partial Replacement of Aggregates by Plastic Aggregates" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-4 | Issue-5 , August 2020, URL: https://www.ijtsrd.com/papers/ijtsrd33250.pdf Paper Url :https://www.ijtsrd.com/engineering/civil-engineering/33250/a-research-onto-study-the-properties-of-concrete-with-partial-replacement-of-aggregates-by-plastic-aggregates/paras-kumar-yadav
Fuel from waste plastic by pyrolysis
Plastic is used [ PP, HDPE, LDPE, PS] .
By :
1-Ali Jumaah Thamer
2-Ali Kadhim Morwad
3- Muslim Kareem
4-Omar Montaser
Iraq-Basra
Development of composite structure from recycled materialPradeepKumar3728
ย
The circular economy is the need of an hour, keeping this in view I have developed a composite structure using the blend of used Polyethelene terephthalate bottles, Calcium Carbonate filler, and a natural resin called lac for commercial product and interior designing. This experiment was performed using two processes i.e casting and injection molding for the comparative analysis of the structure produced using the above-said process.
A Trial Investigation on Reinforced Concrete using Waste Fibreijtsrd
ย
The expanding measure of waste material from industry is a concerning reality that has started the manageability issues of the climate and biology of earth surface. The creation of fiber in the business represents the an Earth wide temperature boost by delivering the carbon dioxide and other destructive gases in the air during its assembling. It likewise measure burn through at the hour of assembling and utilizing on the field. Hence, detailing of cement with mechanical waste can help in limiting the natural and environmental issues. In this investigation fiber squander polypropylene fiber was utilized as an extra material of concrete cement. Polypropylene fiber PPF is a manufactured hydrocarbon polymer which was added to improve the quality of the solid for example compressive and split rigidity. In this examination Amit Singh | Rohit Jain "A Trial Investigation on Reinforced Concrete using Waste Fibre" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-4 | Issue-6 , October 2020, URL: https://www.ijtsrd.com/papers/ijtsrd33464.pdf Paper Url: https://www.ijtsrd.com/engineering/civil-engineering/33464/a-trial-investigation-on-reinforced-concrete-using-waste-fibre/amit-singh
A Research onto Study the Properties of Concrete with Partial Replacement of ...ijtsrd
ย
Plastic waste management is the main environmental issues in our country. The present study applies to the usage of recycled plastics as an alternative for aggregates in concrete. The motive of the study is to investigate the alteration in the physical qualities of concrete by the use of waste of plastics in concrete. The utilization of plastic aggregates was discovered to lead to the development of sturdy concrete. Additionally, with the plastics, the tensile and compressive strength of the concrete reduces. The foremost change brought approximately by using plastics is the fact that concreteโs thermal conductivity is decreased due to the utilization of plastics. It is able to thus be declared recycled plastics are usually utilized for thermal insulation of structures.Series of experiments had been performed in this current study for a comparison of the usage of Used Plastic as a replacement of sand in various different proportions. The main conclusions drawn was that the compressive strength increases with the inclusion of Used Plastic upto a certain proportions and then reduces the strength. Paras Kumar Yadav | Amit Kumar "A Research onto Study the Properties of Concrete with Partial Replacement of Aggregates by Plastic Aggregates" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-4 | Issue-5 , August 2020, URL: https://www.ijtsrd.com/papers/ijtsrd33250.pdf Paper Url :https://www.ijtsrd.com/engineering/civil-engineering/33250/a-research-onto-study-the-properties-of-concrete-with-partial-replacement-of-aggregates-by-plastic-aggregates/paras-kumar-yadav
Fuel from waste plastic by pyrolysis
Plastic is used [ PP, HDPE, LDPE, PS] .
By :
1-Ali Jumaah Thamer
2-Ali Kadhim Morwad
3- Muslim Kareem
4-Omar Montaser
Iraq-Basra
Experimental Investigation and Analysis A Mechanical Properties of Hybrid Pol...IJRES Journal
ย
The hybrids composite has emerged and have the potential reinforcement material for composites and thus gain attraction by many researchers. This is mainly due to their applicable benefits have they offer low density, low cost, renewable, biodegradability and environmentally harmless and also comparable mechanical properties with synthetic fiber composites. In the project natural fiber and glass hybrid composites were fabricated by using epoxy resin combination of hand lay-up method and cold press method. Specimen was cut from the fabricated laminate according to the ASTM standard for different experiments for tensile test, flexural text, and impact test. A significant improvement in tensile strength was indicated by the woven fiber glass hybrid composites. In this hybrid composite laminates banana-glass-banana (BGB) and glass-banana-glass (GBG) exhibit higher mechanical properties due to chemical treatment to natural fibers. So, the hybrid composite material shows the highest mechanical properties. This High performance hybrid composite material has extensive engineering applications such as transport industry, aeronautics, naval, automotive industries.
DEVELOPMENT AND EVALUATION OF SOME OF THE MECHANICAL PROPERTIES OF KENAF/POLY...IAEME Publication
ย
Plant fibers are mainly composed of cellulose, hemicelluloses and lignin. The main advantage of employing natural fibers is that these are biodegradable and renewable and exhibit low cost, low density and high toughness. The proposed work focuses on the development of cellulose composites using Kenaf fibers. The kenaf plant (hibiscus cannabinus) belongs to Malvaceae family. In this work a study on the feasibility of extracting cellulose from plant fiber will be carried out by a chemical procedure, water pre hydrolysis. The composites will be prepared by using cellulose by using hand-layup technique. The composites are characterized by means tensile test based on ASTM standard.
Hierarchical Digital Twin of a Naval Power SystemKerry Sado
ย
A hierarchical digital twin of a Naval DC power system has been developed and experimentally verified. Similar to other state-of-the-art digital twins, this technology creates a digital replica of the physical system executed in real-time or faster, which can modify hardware controls. However, its advantage stems from distributing computational efforts by utilizing a hierarchical structure composed of lower-level digital twin blocks and a higher-level system digital twin. Each digital twin block is associated with a physical subsystem of the hardware and communicates with a singular system digital twin, which creates a system-level response. By extracting information from each level of the hierarchy, power system controls of the hardware were reconfigured autonomously. This hierarchical digital twin development offers several advantages over other digital twins, particularly in the field of naval power systems. The hierarchical structure allows for greater computational efficiency and scalability while the ability to autonomously reconfigure hardware controls offers increased flexibility and responsiveness. The hierarchical decomposition and models utilized were well aligned with the physical twin, as indicated by the maximum deviations between the developed digital twin hierarchy and the hardware.
Immunizing Image Classifiers Against Localized Adversary Attacksgerogepatton
ย
This paper addresses the vulnerability of deep learning models, particularly convolutional neural networks
(CNN)s, to adversarial attacks and presents a proactive training technique designed to counter them. We
introduce a novel volumization algorithm, which transforms 2D images into 3D volumetric representations.
When combined with 3D convolution and deep curriculum learning optimization (CLO), itsignificantly improves
the immunity of models against localized universal attacks by up to 40%. We evaluate our proposed approach
using contemporary CNN architectures and the modified Canadian Institute for Advanced Research (CIFAR-10
and CIFAR-100) and ImageNet Large Scale Visual Recognition Challenge (ILSVRC12) datasets, showcasing
accuracy improvements over previous techniques. The results indicate that the combination of the volumetric
input and curriculum learning holds significant promise for mitigating adversarial attacks without necessitating
adversary training.
Water scarcity is the lack of fresh water resources to meet the standard water demand. There are two type of water scarcity. One is physical. The other is economic water scarcity.
Sachpazis:Terzaghi Bearing Capacity Estimation in simple terms with Calculati...Dr.Costas Sachpazis
ย
Terzaghi's soil bearing capacity theory, developed by Karl Terzaghi, is a fundamental principle in geotechnical engineering used to determine the bearing capacity of shallow foundations. This theory provides a method to calculate the ultimate bearing capacity of soil, which is the maximum load per unit area that the soil can support without undergoing shear failure. The Calculation HTML Code included.
About
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
โข Remote control: Parallel or serial interface.
โข Compatible with MAFI CCR system.
โข Compatible with IDM8000 CCR.
โข Compatible with Backplane mount serial communication.
โข Compatible with commercial and Defence aviation CCR system.
โข Remote control system for accessing CCR and allied system over serial or TCP.
โข Indigenized local Support/presence in India.
โข Easy in configuration using DIP switches.
Technical Specifications
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
Key Features
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
โข Remote control: Parallel or serial interface
โข Compatible with MAFI CCR system
โข Copatiable with IDM8000 CCR
โข Compatible with Backplane mount serial communication.
โข Compatible with commercial and Defence aviation CCR system.
โข Remote control system for accessing CCR and allied system over serial or TCP.
โข Indigenized local Support/presence in India.
Application
โข Remote control: Parallel or serial interface.
โข Compatible with MAFI CCR system.
โข Compatible with IDM8000 CCR.
โข Compatible with Backplane mount serial communication.
โข Compatible with commercial and Defence aviation CCR system.
โข Remote control system for accessing CCR and allied system over serial or TCP.
โข Indigenized local Support/presence in India.
โข Easy in configuration using DIP switches.
2. ii
Abstract
Waste plastic disposal and excessive use of fossil fuels have caused
environmentalconcernsin theworld. Bothplastics and petroleum-derived
fuels are hydrocarbons that contain the elements of carbon and hydrogen.
The difference between them is that plasticmolecules havelonger carbon
chains than thosein LPG, petrol, and dieselfuels. Therefore, it is possible
to convert wasteplasticinto fuels.
The main objectives of this study were to understand and optimize the
processes of plastic pyrolysis for maximizing the diesel range products,
and to design a continuous pyrolysisapparatusas a semi-scalecommercial
plant.
Pyrolysis ofpolyethylene(PE), polypropylene(PP), and polystyrene(PS)
has been investigated both theoretically and experimentally in a lab-scale
pyrolysisreactor. Thekey factorshavebeen investigatedand identified.
Pyrolysis ofpolyethylene(PE), polypropylene(PP), and polystyrene(PS)
has been investigated both theoretically andexperimentally in a lab-scale.
The key factors have been investigated and identified. The cracking
temperaturefor PE, PP and PS in the pyrolysisis at range(324-188 ยบC).
The high reaction temperature and heating rate can significantly promote
the productionof light hydrocarbons. Longresidencetime also favors the
yield of thelight hydrocarbon products. Theeffects ofother factors likethe
typeofreactor, catalyst, pressure,and reflux rate.
The PP pyrolysis products have the value of API 61.5>31.1 and this value is
slightly light by API gravity classification
In thepyrolysis productofHDPE, havethevalueofAPI(47, 49)>31.1and
this valueis slightly light by API gravity classification
3. iii
Acknowledgements
Withoutthesupport, assistance, and motivationprovided by thosearound
me, this studywould havenever been accomplished.
In particular, Iwouldliketo thankmy supervisorM.Sc. Bahiya forhis help
and guidance during the period of research. M.Sc. Bahiya provided
significant comments and financial support on defining the topic and
proceeding with the research. His assistance in editing was very greatly
appreciated. His enthusiastic nature always encourages me. I have gained
much about thisstudyfrom his rigorousattitude
I need to thank M.Sc. Akeel M. Ali for his valuable advice. I would also
like to acknowledge the technical staffs in the department, B.Sc. Jaffar
Abdurrahman for teachingmetheexperimentaltechniques andhow to use
the analysis devices. Their valuable suggestions, discussions, and endless
enthusiasmweremuch appreciated.
4. iv
Reference
Abstract............................................................... ii
Acknowledgements............................................ iii
Reference............................................................iv
List of Symbols....................................................v
List of Abbreviations...........................................vi
1. Introduction......................................................1
1.1 Background................................................................................ 1
1.2 Objectives.................................................................................. 3
1.3 Uses of different types ofplastics................................................ 3
1.4 Properties of Plastics................................................................... 4
1.5 Environmental hazards due to mismanagement ofplastics waste .. 4
1.6 Side Effect ofplastics in nature................................................... 5
1.7 The project aims......................................................................... 6
1.8 The pyrolysis of Plastic Materials................................................ 6
1.9 Effect of raw material as plastics in production............................ 7
1.10 Physical and thermal properties of crude oil and its products ...... 8
2. Methodology..................................................11
2.1 Collection & Identification of waste plastic................................ 11
2.2 Device description.................................................................... 12
2.3 Subjecting the Waste Plastic for Pyrolysis Process..................... 18
2-4 Process steps and materials....................................................... 19
3. Results and Discussion ...................................21
4. Conclusion .....................................................25
References..........................................................26
5. v
List of Symbols
๐๐๐๐ The weight of empty pycnometer
๐๐๐๐๐๐๐๐๐๐๐๐ The weight of pycnometer with filled water
๐๐๐ท๐ท๐ท๐ท The weight of pycnometer with filled PP
๐๐๐ฏ๐ฏ๐ฏ๐ฏ๐ฏ๐ฏ๐ฏ๐ฏ The weight of pycnometer with filled HDPE
๐ป๐ป The temperature of ambient
๐๐ Density
๐๐ The k value of viscometer
๐๐ Time of fluid descent
๐๐ Kinematic Viscosity
๐๐ Dynamic viscosity
๐บ๐บ. ๐ฎ๐ฎ Specific gravity
๐จ๐จ๐จ๐จ๐จ๐จ American petroleum institute
6. vi
List of Abbreviations
PE Polyethylene
HDPE High density polyethylene
LDPE Low density polyethylene
PP Polypropylene
PS Polystyrene
PET Polyethylene Terephthalate
7. 1
1. Introduction
1.1 Background
Plasticis a high molecular weight materialthat wasinventedby Alexander
Parke'sin 1862.Plasticsarealsocalled polymers.Thetermpolymer means
a molecule made up by repetition of the simple unit. For example, the
structureof polypropylenecan be written in a form as shown in Figure 1-
1 or in Figure 1-2
Figure 1-1 Common expression of polypropylene molecular structure
Figure 1-2 A simplified expression of polypropylene molecular structure
The repeatingunit of the polymer is in the bracketswith a subscript,n, to
representthenumber oftheunit in this polymer molecule.
8. 2
Plasticis one of themost commonlyused materialsin daily life which can
be classified in many ways such as based on its chemical structure,
synthesisprocess,density,andother properties. In order to assistrecycling
of the waste plastic, Society of Plastic Industry (SPI) defined a resin
identification code system that divides plastics into the following seven
groupsbased on thechemical structureand applications:
1) PET (Polyethylene Terephthalate)
2) HDPE (High Density Polyethylene)
3) PVC (Polyvinyl Chloride)
4) LDPE (Low Density Polyethylene)
5) PP (Polypropylene)
6) PS (Polystyrene)
7) Other
The above seven types of plastics are marked on various plastic products
as follows:
Figure 1-3 Marks of the seven types of plastics on various plastic products.
9. 3
1.2 Objectives
The main objectives ofthis project are:
1) To raise the awareness in developing countries like Iraq about the
possibility of plastic waste recirculation as a source of liquid fuel,
this could be generated and marketed at cheaper rates compared to
that of the available diesel or oil in the market.
2) Contributing to the Economicgrowth ofthe country.
3) Find a new source of fuel oil rather than fossil fuel.
4) Plastic recovery decrease the air and waterpollution.
1.3 Uses of different types of plastics
Table 1-1 Uses of different types of plastics
Type of Plastics Uses
PET
Carbonated drinkbottles,plastics film
Supermarketbags, plastics bottle
HDPE
Milk jugs, detergent bottles, thicker
Plastics film, pipes
LDPE Floor tiles, shower curtains, cling film
PVC
Agriculture(fountain)pipe, guttering
Pipe, window frame, sheetsfor
buildingmaterial
PP
Bottle caps, drinking straws,Bumper, house
ware, fiber carpetingand rope.
PS
foam use for insulation ofroofs and
walls, disposalcups, plates,food
Container,CD and cassettebox.
10. 4
1.4 Properties of Plastics
1) They are less brittle than Glass, yet they can be made equally
transparentand smooth.
2) Theyare lightweightand atthesametime possess good strength and
rigidity.
3) They possess good toughness.
4) Their high dielectric strength makes them suitable for electric
insulation.
5) They resist corrosion and the action of chemicals.
6) The ease at which they can be mass โ produced contributes greatly
to the popularityaswrappers and bags.
7) Possess the property of low moisture absorption.
8) They can be easily molded to desired shapes.
1.5 Environmental hazards due to
mismanagementof plastics waste
Plastics is not biodegradable material. It al most taks 300-500 years for
biodegrading ,therefore; environmental hazards due to improper manage
include thefollowingaspect:
1) Littered plastics spoils the beauty of the city and choke drains and
make importantpublicplaces dirty.
2) Garbagecontainingplastics, when burntmaycause air pollution by
emitting polluting gases.
3) Garbagemix with plastics gives problem in landfill operation.
4) Lack of recycling plant to posing an unhygienic problem to the
environment.
11. 5
1.6 Side Effect of plastics in nature
1) Durability and chemical structure greatly influences the
biodegradability of some organic compounds, therefore, an
increased numberoffunctionalgroups(groupsofatoms)attached to
the benzene ring in an organic molecule usually hinders microbial
attack.
2) Instead of biodegradation, plastics waste goes through photo-
degradation and turns into plastic dust which can enter in the food
chain and can cause complex health issues to earth habitants.
3) Plastics are produced from petroleum derivatives and are composed
primarily of hydrocarbons but also contain additives such as
antioxidants, colorants, and otherstabilizers.
4) When plastic products are used and discarded, the additives are
undesirablefrom an environmentalpointof view.
5) Burning of plastics give ๐ต๐ต๐ต๐ต๐ฟ๐ฟ, ๐ช๐ช๐ช๐ช๐ฟ๐ฟ, ๐บ๐บ๐บ๐บ๐ฟ๐ฟ, particulate, dioxins,
furansand fumes which is increaseโs air pollution and resultin acid
rain and contriuputein globalwarming.
6) Plastics in landfill area leaching toxins into ground water.
Figure 1-4 Plastic pollution in the world's oceans
12. 6
1.7 The project aims
Thereare two aims for theproject:
1- The aim of the project is to development and design of a process to
transform all sorts of plastic waste into crude oil and refined fuel
fractions. The ultimate goal is to be able to treat all sorts of plastic
waste into high quality fuel for transportation, vessel fleet and
energy production.
2- Recycle the degraded and dirty plastic fraction into valuable
productsand eliminate the environmentalimpactof plastic waste.
1.8 The pyrolysis of Plastic Materials
Pyrolysis is a thermal cracking reaction of the large molecular weight
polymercarbonchains under an oxygen-freeenvironmentand produces a
smallmolecular weight molecules.
Traditional treatments for post-consumed plastics were landfills or
incineration. However,landfillofthepost-consumed plastics haspotential
problems because of limited land resource and high durability of plastics.
The incomplete burn may generate poisonous substances and causes
serious health problems. Other methods like gasification and
bioconversion aremainly used for organicmaterials.
HDPE, LDPE, PP, and PS areallhydrocarbons. They consist ofentirelyof
carbon and hydrogen, which are similar to hydrocarbon fuels such as
liquefied petroleum gas (LPG), petroland diesel.
Somecommercialplasticpyrolysis plantshavebeen in operation in which
all types of post-consumer plastics accepted need to be treated by using
hydrochloride scrubber which is mainly use for PVC cracking process
because of it chloride content because chloride is not desirable in the fuel
13. 7
products. In the tablebelow will show '' Typeof Plastics as raw materials
and its contents''.
Table 1-2. Typeof Plastics and its contents.
TypeofPlastics its contents
PE (HDPE, LDPE), PP, PS Hydrocarbons
PET Hydrocarbonswith oxygen
PVC Hydrocarbonswith chlorine
1.8.1 Solutions waste for plastic problem
Plastic waste is a big problem in our daily modern lifestyle, environment
solutions for this problem is urgent and efficient. Hence, there two main
solutionfor this problem:
a) Recycling plastic.
b) Energy conversion or degradation ofplastic.
1.9 Effect of raw material as plastics in
production
If PE, PS, PP with other plastics gives fuel gas pollution andcontaminated
to the reactor by making other unexpected compounds. In contamination
to reactor resulting liquid may contain alcohol, waxy hydrocarbons, and
inorganicsubstance. Typeofplastics andtheir product in table2 is below.
Table 1-3. Effectof plastics in production.
TypeofPlastics Product
PE (HDPE, LDPE), PP, PS liquid fuels
14. 8
PET Terephthalicacid and benzoicacid
PVC HCL gas and carbonouscompound
(UNEP, 2009)
1.10 Physicaland thermal properties of crude oil
and its products
1.10.1 Density
Density is defined as mass per unitvolumeofa fluid. Density is a state
function and for a purecompound depends on both temperatureand
pressureandis shown by ฯ. Liquid densities decreaseas temperature
increases but theeffect of pressureon liquid densities at moderate
pressuresis usually negligible.
1.10.2 Specific Gravity
Liquid density for hydrocarbonsis usually reported in terms ofspecific
gravity (SG)or relativedensitydefined as:
๐๐๐๐ =
๐๐๐๐๐๐๐๐๐๐๐๐๐๐ ๐๐๐๐ ๐๐๐๐๐๐๐๐๐๐๐๐ ๐๐๐๐ ๐ก๐ก๐ก๐ก ๐ก๐ก๐ก๐ก๐ก๐ก๐ก๐ก๐ก๐ก๐ก๐ก๐ก๐ก๐ก๐ก๐ก๐ก ๐๐
๐๐๐๐๐๐๐๐๐๐๐๐๐๐ ๐๐๐๐ ๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค ๐๐๐๐ ๐ก๐ก๐ก๐ก ๐ก๐ก๐ก๐ก๐ก๐ก๐ก๐ก๐ก๐ก๐ก๐ก๐ก๐ก๐ก๐ก๐ก๐ก ๐๐
Since the standardconditionsadoptedby thepetroleumindustryare60ยฐF
(15.5ยฐC)and 1 atm specificgravities ofliquid hydrocarbonsarenormally
reportedat theseconditions. Water densityat 60ยฐF is 0.999 or almost1
g/cm3, thus,
๐๐๐๐ (60ยฐ๐น๐น 60ยฐ๐น๐น) =โ
๐๐๐๐๐๐๐๐๐๐๐๐๐๐ ๐๐๐๐ ๐๐๐๐๐๐๐๐๐๐๐๐ ๐๐๐๐ 60ยฐ๐น๐น ๐๐๐๐ ๐๐/๐๐๐๐3
0.999 ๐๐/๐๐๐๐3
15. 9
The definition ofspecific gravity for gases is somewhatdifferent. The
specific gravity ofa gas is proportionalto theratio ofmolecular weight of
(28.97)gas (Mg) to themolecular weight of air
๐๐๐๐๐๐ =
๐๐๐๐
28.97
1.10.3 API Gravity
The American Petroleum Institute(API) defined the APIgravity (degrees
API) to quantifythequalityofpetroleumproductsand crudeoils. The
API gravity is defined as:
๐ด๐ด๐ด๐ด๐ด๐ด ๐๐๐๐๐๐๐๐๐๐๐๐๐๐ =
141.5
๐๐๐๐(๐๐๐๐ 60ยฐ๐น๐น)
โ 131.5
CrudeOils API = 10 โ 50, crude oils can generally be classified
accordingto APIas shown:
1.10.4 Flash point
Flash point TF, for a hydrocarbonor a fuel is theminimum temperatureat
which vaporpressureof thehydrocarbonis sufficient to producethe
vapor needed for spontaneous ignitionofthe hydrocarbonwith theair
with thepresenceof an externalsource, i.e., sparkor flame. From this
16. 10
definition, it is clear that hydrocarbonswith higher vaporpressures
(lighter compounds)havelower flash points. Generallyflash point
increases with an increasein boiling point. Flashpointis an important
parameter for safetyconsiderations, especially duringstorageand
transportation ofvolatilepetroleum products(i.e., LPG, light naphtha,
gasoline)in a high-temperatureenvironment.
The flash pointcan be estimatedusingthefollowingequation:
๐๐๐น๐น = 15.48+ 0.070704๐๐10
WhereT10 is normalboilingpointfor petroleum fractions at 10 vol%
distillationtemperature. Bothtemperatures (T10and flash point(TF)in
Kelvin).
17. 11
2. Methodology
In our experiments, commercially available shredded plastics were
procured and washed before pyrolysis. Pyrolysis it is one of the most
favorable and effective disposing methods, the process is an
environmentally friendly and efficient way to eliminate the effect of
plastic. Pyrolysis is the thermal degradation of solid wastes at high
temperatures (250- 325โ) in the absence of air (and oxygen). The main
processgiven below:
1. Identificationof waste plastics.(PE/PP/PS/LDPE/HDPE)
2. Crash and cut the plastic for the pyrolysis process
3. Condensation of the gas to obtain raw fuel.
4. Collect the sample and perform tests to identify the kinds of fuel
produced.
2.1 Collection & Identificationof waste plastic
๏ The collection of waste plastic is quite an easy task as compared
to other wastes, the plastic wastes are abundantand can be
obtained in large quantities fromthe households, roadsides,
hospitals, hotels etc.
๏ Plastics are usually termed as following:
โข Polypropylene(PP)
โข High-Density Polyethylene (HDPE)
โข Low-Density Polyethylene (LDPE)
โข Polystyrene(PS)
๏ Usually, they are manufactured in the formof plastic bags, saline
bottles, plastic tools, chairs and other components which we
usually come across in our day to day life
20. 14
c- Condenser
Figure 2-2 Jacketed reflux Condenser
Specification:
Types:Coil Condenser
Material: Borosilicate Glass
GlassThickness:2 to 5 mm
JacketLength:250mm
Features:
๏ง Graham condenseris designed for use in distillation applications.
๏ง Constructed of borosilicate glass, this condenser hasa coiled inner
tube to provide additionalsurface area for highly efficient cooling.
๏ง Both upperand lower joints are 24/29.
22. 16
Specification:
AdapterType:Connecting,WithAngle Socket
Material: Borosilicate Glass
Joints:24/29
Diameter:17 mm
2. HeatingMental
Figure 2-5 AIBOTE Heating Mantle 10000ml
Specification:
Capacity: 10000ml forround bottomflask
Heating Temperature Range:Ambientto400 degree
Temperature ControlPID.InnerandOuterTemperature sensor
Temperature Range:Ambientto380
Temperature Display:+/- 1 degree
Permissible AmbientTemperature:AmbientTemperature to40 degree
Voltage:110v - 240v
Power:2100 W
Temperature Accuracy:ยฑ1 degree
Stirring FlaskCapacity: 10000ml
Packing Dimension:480 ร 320 ร 200 mm
Shipping Weight:8. 5 kg
Shell material: Superfine metal
23. 17
3- Water Filter
Figure 2-6 Filter RS-702
Specification:
Ratedpower:18 W
Frequency:50 Hz
Voltage:220/240 v
Diameter:16 mm
Size:60 * 50 * 195 mm
The maximumhead:0.8 m
Maximumflow:1500 L/H
Features:
Low can be superimposedfiltercartridgesdesign
Low replacementpumpinflatable (mustbe close to the surface installation)
Low high performance centrifugalpumps
Low multi-functionaldesign
Low energyconsumptionislow
Low is suitable forall kinds of aquatic animals
Low high pore filtering material
Low convenientcleaning
24. 18
4- PlasticTubes
Figure 2-7 PVC Clear Vinyl Tube
2.3 Subjecting the Waste Plastic for Pyrolysis
Process
Figure 2-8 block diagram of the pyrolysis process
The pyrolysis is a simple process in which the organic matter is subjected
to a higher temperature about 250ยบC to 325ยบC in order to promote
thermal cracking of the organic matter so as to obtain the end products
in the formof liquid, char, and gas in absence of oxygen.
25. 19
2-4 Process steps and materials
2.4.1. Materials
The waste mixture of polyethylene, polypropylene, and polystyrene was
used as a raw materialor use each one individually. Thepolymer mixture
pieces havea maximum particlesizeof 5-6 mm. Themelting temperatures
of (HDPE, LDPE, PP, PS) mixture, as determined by CLAW
Environmental, were135ยฐC, 115ยฐC, 165ยฐC,and 90ยฐC, respectively.
2.4.2 Experimental Setup
All experiments of waste polyolefin mixture (RW) were carried out in a
rotary flask 1000 mL volume which was equipped with a temperature
measurement system. Different amounts of plastic waste mixed were
placed into a flask. Theplasticselected specifically PP. HDPE and PS are
fed to the rotary flask. The reaction system was closed at atmospheric
pressure and then the heater was switched on. Then the water filter is
switched on in the first after this the heating mantle. This heater supplies
enough heat to melt theplasticfed into theflask. Continuousmeltingleads
to the formation of liquid melted plastic. The pyrolysis was carried out
from 250oC to the maximum of 350ยฐC for around (60-100) min. Further
heatingofthe melted plasticleads to theformation ofgaseousfumes. The
obtained vaporized products from flask were collected through a
distillation adapter that afterward being let out to a condenser in order to
condense the condensable products. The water filter is poured the water
around the condenser. Enough time is provided to let the gas accumulate
in the condenser. The water around the condenser cools the fumes in it.
Glass condenserswereconnected tightly totheflask tocoolthecondensing
vapors.And then get the products
26. 20
Figure 2-8 Final Product of the process
Figure 2-9 Product from mixing plastic at different temperture
27. 21
3. Results and Discussion
Table 3-1 Properties and condition for all experimental
Where
โข Degree in (ยฐC): Degree of Heating mantle
โข Wight in (g): Wight of the waste plastic piece
โข F.D. in (min): first drop in the rotary flask
โข Time in (S): Time of Experimental
Type Plastic Compounds
Polypropylene
Degree 288 Wight 200 FD 20 time 60
Polypropylene
Degree 288 Wight 25 FD 52 time 52
High density polyethylene
Degree 288 Wight 90 FD 23 time 55
High density polyethylene
Degree 288 Wight 110 FD 15 time 35
Low density polyethylene
Degree 288 Wight 21 FD 28 time 65
Polystyrene
Degree 288 Wight 14 FD 25 time 30
Mixed
Degree 252 Wight 20 FD 34 time 70
Mixed
Degree 288 Wight 20 FD 25 time 60
Mixed
Degree 324 Wight 20 FD 21 time 50
28. 22
Threesampleweretaken for calculations:
For 1st experiment
The wight of empty pycnometer (๐๐0)= 23.18 g
The wight of pycnometerwith filled water (๐๐๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค) = 73.0795g
The wight of pycnometerwith filled HDPE (๐๐๐๐๐๐) = 59.416g
The temperatureofambient (T)= 21 ยฐC
Density
๐๐๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค =
๐๐๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค โ ๐๐0
๐๐
๐๐๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค =
73.0795 โ 23.18
50
โ 1000 = 997.99 ๐๐๐๐ ๐๐3โ
๐๐๐๐๐๐ =
๐๐๐ป๐ป๐ป๐ป๐ป๐ป๐ป๐ป โ ๐๐0
๐๐
๐๐๐๐๐๐ =
59.416โ 23.18
50
โ 1000 = 724.72 ๐๐๐๐ ๐๐3โ
๐๐. ๐บ๐บ =
๐๐๐๐๐๐๐๐๐๐๐๐๐๐๐๐
๐๐๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค
๐๐. ๐บ๐บ =
724.72
997.99
= 0.7262
๐ด๐ด๐ด๐ด๐ด๐ด =
141.5
๐๐. ๐บ๐บ
โ 131.5
๐ด๐ด๐ด๐ด๐ด๐ด =
141.5
0.7262
โ 131.5 = 63.35 ๐๐๐๐ 70ยฐ๐น๐น = 61.48 ๐๐๐๐ 60ยฐ๐น๐น
Flash Point
๐๐โ๐๐ ๐น๐น๐น๐น๐น๐น๐น๐นโ ๐๐๐๐๐๐๐๐๐๐ ๐๐๐๐ 31.7ยฐ๐ถ๐ถ
Cloud point
๐๐โ๐๐ ๐ถ๐ถ๐ถ๐ถ๐ถ๐ถ๐ถ๐ถ๐ถ๐ถ ๐๐๐๐๐๐๐๐๐๐ ๐๐๐๐ โ 15ยฐ๐ถ๐ถ
This value was calculated by
engineeringunits.com
29. 23
For 2ed experiment
Density
The weight of empty pycnometer (๐๐0) = 23.18 g
The weight of pycnometer withfilled water (๐๐๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค) = 70.58 g
The weight of pycnometer withfilled HDPE (๐๐๐ป๐ป๐ป๐ป๐ป๐ป๐ป๐ป ) = 59.45 g
The temperatureofambient (T)= 36 ยฐC
๐๐๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค =
๐๐๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค โ ๐๐0
๐๐
๐๐๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค =
70.58โ 23.18
50
โ 1000 = 948 ๐๐๐๐ ๐๐3โ
๐๐๐ป๐ป๐ป๐ป๐ป๐ป๐ป๐ป1 =
๐๐๐ป๐ป๐ป๐ป๐ป๐ป๐ป๐ป โ ๐๐0
๐๐
๐๐๐ป๐ป๐ป๐ป๐ป๐ป๐ป๐ป1 =
59.45 โ 23.18
50
โ 1000 = 725.4 ๐๐๐๐ ๐๐3โ
๐๐. ๐บ๐บ =
๐๐๐๐๐๐๐๐๐๐๐๐๐๐๐๐
๐๐๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค
๐๐. ๐บ๐บ =
725.4
948
= 0.7652
๐ด๐ด๐ด๐ด๐ด๐ด =
141.5
๐๐. ๐บ๐บ
โ 131.5
๐ด๐ด๐ด๐ด๐ด๐ด =
141.5
0.7652
โ 131.5 = 53.42 ๐๐๐๐ 97ยฐ๐น๐น = 49.4 ๐๐๐๐ 60ยฐ๐น๐น
Viscosity
The density ofproduct (๐๐๐ป๐ป๐ป๐ป๐ป๐ป๐ป๐ป1)= 725.4 ๐๐๐๐ ๐๐3โ
The k valueof viscometer (๐๐) = 0.15
Time of fluid descent (๐ก๐ก) = 513 s
๐๐ = ๐พ๐พ โ ๐ก๐ก
๐๐ = 0.15โ 513 = 76.95 ๐๐2
๐ ๐ โ
๐๐ = ๐๐ โ ๐๐
๐๐ = 725.4โ 76.95 = 55819.5 ๐๐๐๐ ๐๐ โ ๐ ๐ โ = 5.582 โ 104
๐๐๐๐ ๐๐ โ ๐ ๐ โ
This value was calculated by
engineeringunits.com
30. 24
For 3rd experiment
Density
The weight of empty pycnometer (๐๐0) = 23.18 g
The weight of pycnometer withfilled water (๐๐๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค) = 70.58 g
The weight of pycnometer withfilled HDPE (๐๐๐ป๐ป๐ป๐ป๐ป๐ป๐ป๐ป ) = 60.27 g
The temperatureofambient (T)= 36 ยฐC
๐๐๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค =
๐๐๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค โ ๐๐0
๐๐
๐๐๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค =
70.58โ 23.18
50
โ 1000 = 948 ๐๐๐๐ ๐๐3โ
๐๐๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค =
๐๐๐ป๐ป๐ป๐ป๐ป๐ป๐ป๐ป โ ๐๐0
๐๐
๐๐๐ป๐ป๐ป๐ป๐ป๐ป๐ป๐ป2 =
60.27 โ 23.18
50
โ 1000 = 741.6 ๐๐๐๐ ๐๐3โ
๐๐. ๐บ๐บ =
๐๐๐๐๐๐๐๐๐๐๐๐๐๐๐๐
๐๐๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค๐ค
๐๐. ๐บ๐บ =
741.6
948
= 0.7823
๐ด๐ด๐ด๐ด๐ด๐ด =
141.5
๐๐. ๐บ๐บ
โ 131.5
๐ด๐ด๐ด๐ด๐ด๐ด =
141.5
0.7823
โ 131.5 = 49.38 ๐๐๐๐ 97ยฐ๐น๐น = 47.12 ๐๐๐๐ 60ยฐ๐น๐น
Viscosity
The density ofproduct (๐๐๐ป๐ป๐ป๐ป๐ป๐ป๐ป๐ป2)= 741.6 ๐๐๐๐ ๐๐3โ
The k valueof viscometer (๐๐) = 0.15
Time of fluid descent (๐ก๐ก) = 376 s
๐๐ = ๐พ๐พ โ ๐ก๐ก
๐๐ = 0.15โ 376 = 56.4 ๐๐2
๐ ๐ โ
๐๐ = ๐๐ โ ๐๐
๐๐ = 741.6โ 56.4 = 41826.3 ๐๐๐๐ ๐๐ โ ๐ ๐ โ = 4.183 โ 104
๐๐๐๐ ๐๐ โ ๐ ๐ โ
This value was calculated by
engineeringunits.com
31. 25
4. Conclusion
Pyrolysis is oneofthemostwastemanagementefficient methodsfor waste
plastics), it saves more time, efforts and money than conventional
recycling.
Pyrolysis is not only waste management process itโs although an
unconventionalsourceofenergy.
Pyrolysis seems to bethe only way we can keep the irreplaceableindustry
of plasticaliveby refreshingthefeedstock withwasteplasticwhich means
renewablefeedstock independentoftheoil availability worldwide.
Practically Pyrolysistechnology is very efficient becauseoutputenergy is
way more than used energy in the process by nine times or more which
makeit also feasible as a sourceofenergy.
Using pyrolysis technology in the (SWM) could reduce CO2 emission by
80% comparingwith ordinary methods likelandfills or burningwaste.
The complexity of the system can be improved with more stages of
preparation. And modifications to accept several kind of biomass like
wood and a good percentageof housewastes.
-In Iraq, wearein need of technologies likethis one, especially,with much
existingwastein my country andthefuel is not sustainable
32. 26
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