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Plastic waste management
and recycling technology
Plastic waste Management & Recycling
Technology
22/08/14 – In Project Proposal
 INTRODUCTION
 OBJECTIVES INVOLVED
 CASE STUDY
 EXISTING PROBLEMS
 REMEDIAL MEASURES
 CONCLUSION
 REFERENCE
objectives
 To emphasize the reduced use of plastic and the beneficial
management of plastic waste.
 Efficient transformation of plastic into energy and fuel.
 Making our environment an eco friendly zone.
 Modify the design of recycling Machines.
 Install the recycling unit at TNAU.
 Compare the envi.factors of Coimbatore with other
cities.
 Making our Eco fest - 15------Plastic free & Models
Plastics
1.PET
2.HDPE
3.PVC
4.LDPE
5.PP
6.PS
7.OTHE
Drink bottles and oven trays manufacturing.
Bottles for milk and washing up liquids.
Pipes and fittings
Carrier bags and garbage bin liners
Medicine bottles
Packaging pellets, Fast food trays etc..,
Mostly not available in suffi.quantities for recycling
Distribution of plastic in
manufacturing sector
18.60%
11.90%
10%
7.40%
7%
6.70%
6.70%
5.20%
4.00%
3.40%
2.60%
2.20%
1.70%
1.60% 1.40%
1.20%
8.50%
chips and conf bags bottles/caps and lids PET bottles supermarket retail bags
straws garbage bags packaging food bags
cling wrap fruit juice bottles softdrinks/water cups/utensils
food containers milk bottles pack rings cigarette lighters
Plastic waste sources
Plastic Wastes
Others
Municipal
Industry
Methodology
Processing
Segregation
Selection
Recycling technology
 Primary recycling - Involves processing of waste
into a product of similar characteristics.
 Secondary recycling - Involves processing of waste
plastic into materials having different characteristics.
 Tertiary recycling - Involves production of basic
chemicals and fuel from segregated municipal waste.
 quaternary recycling - Involves energy extraction
by burning and incineration.
forms of recycling
Raw Product
Make a
Recycling
1.Mechanical Recycling
Chemical
Recycling
Reactions
Feedstock
Fuel, Oil
Industries
2.Chemical Recycling
3.Thermal Recycling
Contin…..
Waste to Power Generation Method
Disadvantages
 High Initial cost.
 Recycled products may not last for long.
 Unsafe and unhygienic recycling sites.
 May create more pollution.
 Not wide spread on large scale.
Alternatives to be considered
 Plasma Pyrolysis Technology
Incineration of waste by plasma
torches leaving minute or
no residues.
 Dehydrochlorination
Conversion of plastic waste into Liquid fuel using
units. By extracting hydrogen and chlorine separately
oil and hydrochloric acid can be obtained.
Conti…
 Bio degradable plastics - Manufacture of plastics
that are eco-friendly. They have a decomposing nature.
advantages
 Plasma Pyrolysis
Clean destruction of hazardous waste Preventing waste
from entering landfills. No harmful emission of toxic waste.
 De-hydro chlorination
Extraction of clean energy and Hydrochloric acid.
 Bio Degradable plastic
Takes less time to breakdown ,these are renewable
Treatment & Separation Technique
 1.Wet Separating Techniques
Flotation of mixed plastics utilizing selective wetting
characters in order to change the surface of specific
plastics from hydrophobic to hydrophilic
 2.Dry separating Techniques
Especially PVC from mixture of plastics, Low capital
Input, means it is environmentally friendly
Environmental impact assessment
 Plastic manufacturing consumes significant amount of
resources. (4% of worlds annual oil production)
 Littered plastic spoils the beauty of the environment
 Affects human health due to toxic release into atmosphere.
 Non bio degradable nature arrests recharge of ground
water aquifers.
 Garbage mixed with plastic may cause problems in landfill
operations.
After Project proposal
Visit to Thudiyalur and Saravanampatti Recycling Centre
Aug - 22 to Yesterday
Their Sales
Recycled Plastics 1 kg
is Rs.30
For Roads
Mrs.Rani
Machines and Products
Data of TNAU
 Wastes – 1 to 1.5 ton / day
 Departments – 45 +
 Plastic Sale – Yearly twice , Rs.15 / Kg
 Excess – Hostels, Canteens, Shops
Suggestion – Recycling Unit at TNAU
After mid - sem places to be visited
Sri Sai Chakra Polymers
Etc……
Thank You

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Plastic Waste Management and Recycling Technology : P2

  • 1. Plastic waste management and recycling technology
  • 2. Plastic waste Management & Recycling Technology 22/08/14 – In Project Proposal  INTRODUCTION  OBJECTIVES INVOLVED  CASE STUDY  EXISTING PROBLEMS  REMEDIAL MEASURES  CONCLUSION  REFERENCE
  • 3. objectives  To emphasize the reduced use of plastic and the beneficial management of plastic waste.  Efficient transformation of plastic into energy and fuel.  Making our environment an eco friendly zone.  Modify the design of recycling Machines.  Install the recycling unit at TNAU.  Compare the envi.factors of Coimbatore with other cities.  Making our Eco fest - 15------Plastic free & Models
  • 4. Plastics 1.PET 2.HDPE 3.PVC 4.LDPE 5.PP 6.PS 7.OTHE Drink bottles and oven trays manufacturing. Bottles for milk and washing up liquids. Pipes and fittings Carrier bags and garbage bin liners Medicine bottles Packaging pellets, Fast food trays etc.., Mostly not available in suffi.quantities for recycling
  • 5. Distribution of plastic in manufacturing sector 18.60% 11.90% 10% 7.40% 7% 6.70% 6.70% 5.20% 4.00% 3.40% 2.60% 2.20% 1.70% 1.60% 1.40% 1.20% 8.50% chips and conf bags bottles/caps and lids PET bottles supermarket retail bags straws garbage bags packaging food bags cling wrap fruit juice bottles softdrinks/water cups/utensils food containers milk bottles pack rings cigarette lighters
  • 6. Plastic waste sources Plastic Wastes Others Municipal Industry
  • 8. Recycling technology  Primary recycling - Involves processing of waste into a product of similar characteristics.  Secondary recycling - Involves processing of waste plastic into materials having different characteristics.  Tertiary recycling - Involves production of basic chemicals and fuel from segregated municipal waste.  quaternary recycling - Involves energy extraction by burning and incineration.
  • 9. forms of recycling Raw Product Make a Recycling 1.Mechanical Recycling Chemical Recycling Reactions Feedstock Fuel, Oil Industries 2.Chemical Recycling
  • 10. 3.Thermal Recycling Contin….. Waste to Power Generation Method
  • 11. Disadvantages  High Initial cost.  Recycled products may not last for long.  Unsafe and unhygienic recycling sites.  May create more pollution.  Not wide spread on large scale.
  • 12. Alternatives to be considered  Plasma Pyrolysis Technology Incineration of waste by plasma torches leaving minute or no residues.  Dehydrochlorination Conversion of plastic waste into Liquid fuel using units. By extracting hydrogen and chlorine separately oil and hydrochloric acid can be obtained.
  • 13. Conti…  Bio degradable plastics - Manufacture of plastics that are eco-friendly. They have a decomposing nature.
  • 14. advantages  Plasma Pyrolysis Clean destruction of hazardous waste Preventing waste from entering landfills. No harmful emission of toxic waste.  De-hydro chlorination Extraction of clean energy and Hydrochloric acid.  Bio Degradable plastic Takes less time to breakdown ,these are renewable
  • 15. Treatment & Separation Technique  1.Wet Separating Techniques Flotation of mixed plastics utilizing selective wetting characters in order to change the surface of specific plastics from hydrophobic to hydrophilic  2.Dry separating Techniques Especially PVC from mixture of plastics, Low capital Input, means it is environmentally friendly
  • 16. Environmental impact assessment  Plastic manufacturing consumes significant amount of resources. (4% of worlds annual oil production)  Littered plastic spoils the beauty of the environment  Affects human health due to toxic release into atmosphere.  Non bio degradable nature arrests recharge of ground water aquifers.  Garbage mixed with plastic may cause problems in landfill operations.
  • 17. After Project proposal Visit to Thudiyalur and Saravanampatti Recycling Centre Aug - 22 to Yesterday
  • 18. Their Sales Recycled Plastics 1 kg is Rs.30 For Roads
  • 21. Data of TNAU  Wastes – 1 to 1.5 ton / day  Departments – 45 +  Plastic Sale – Yearly twice , Rs.15 / Kg  Excess – Hostels, Canteens, Shops Suggestion – Recycling Unit at TNAU
  • 22. After mid - sem places to be visited Sri Sai Chakra Polymers Etc……