This document summarizes the key steps in sugar refining: affination removes adhering molasses film from raw sugar crystals using mechanical rubbing and dissolving in green syrup; carbonation and phosphatation remove impurities through precipitation and flocculation; sulfitation eliminates coloring matter; and decolorization processes like ion exchange, bone char, and activated carbon systems are used to remove color. The document provides details on equipment and process parameters used at each main stage of sugar refining.
This document provides an overview of the sugarcane processing and sugar production process. It details each step from harvesting sugarcane to processing it in sugar mills to extract the juice, and then refining the juice to produce raw and refined sugar. The key steps involve crushing the sugarcane, extracting and clarifying the juice, evaporating and crystallizing it to produce raw sugar, and then further processing the raw sugar through affination, melting, purification and recrystallization to produce refined white sugar. Factors like temperature, moisture, light and compression are important for proper storage of sugar.
Falling film evaporators are commonly used in the sugar industry to evaporate water from sugar cane juice. Multiple effect evaporators use steam sequentially across several effects to efficiently concentrate the juice through evaporation. In each subsequent effect, steam from the previous effect is used to heat and evaporate more water from the thickening juice, with vacuum applied to lower the boiling point. This allows for high evaporation rates with low energy use.
The document describes the process for refining sugar from raw sugar syrup. The key steps are:
1) Affination where raw syrup is mixed with crystals to wash off molasses in centrifuges.
2) Carbonation where lime and carbon dioxide are added to precipitate impurities.
3) Filtration to remove impurities.
4) Decolorization by passing the liquor through bone charcoal filters.
5) Concentration and crystallization in vacuum pans to form pure sugar crystals.
This document discusses different types of extraction processes including liquid-liquid, solid-liquid, and gas-liquid extraction. Liquid-liquid extraction involves using a liquid solvent to remove a liquid component from a liquid mixture. Solid-liquid extraction allows soluble components to be removed from solids using a solvent. Gas-liquid extraction uses a densified gas solvent to extract compounds from liquids. Coffee extraction is provided as an example of solid-liquid extraction, where water is used as the solvent to extract soluble flavors from coffee grains. Key factors that affect the extraction rate and yield are also summarized such as temperature, time, surface area, and solvent viscosity.
This document summarizes the production of sugar from sugar cane. It discusses the sources of sugar, the manufacturing process which includes harvesting, transportation, cutting, extraction of juice, filtration, evaporation, crystallization, centrifugation, drying and packing. It also discusses the byproducts of sugar production including bagasse, blackstrap molasses and filter cake. Finally, it provides information on major sugar producing areas in India and around the world.
Leaching process (solid-liquid extraction)Asim Farooq
This document defines and provides examples of the leaching process. Leaching involves extracting a substance from a solid material by contact with a liquid. A simple example given is making green tea, where steeping a green tea bag in hot water extracts the green flavor from the solid bag into the liquid water. The principle of leaching is that it can be done in batches, semi-batches, or continuously at an elevated temperature to increase solubility. Common uses of leaching include extracting minerals from ores in the metals industry, sugar from beets in the sugar industry, and oil from seeds in the oilseeds industry.
This presentation provides an overview of sugar processing from sugarcane and sugar beets. It discusses the sugar industry, raw materials used, types of sugar produced, and the simplified and detailed flow diagrams of sugar processing. The key steps in sugar processing from sugarcane are producing raw sugar from the sugarcane and then refining that raw sugar into refined sugar. Sugar processing from sugar beets follows a similar refining process.
This document provides an overview of the sugarcane processing and sugar production process. It details each step from harvesting sugarcane to processing it in sugar mills to extract the juice, and then refining the juice to produce raw and refined sugar. The key steps involve crushing the sugarcane, extracting and clarifying the juice, evaporating and crystallizing it to produce raw sugar, and then further processing the raw sugar through affination, melting, purification and recrystallization to produce refined white sugar. Factors like temperature, moisture, light and compression are important for proper storage of sugar.
Falling film evaporators are commonly used in the sugar industry to evaporate water from sugar cane juice. Multiple effect evaporators use steam sequentially across several effects to efficiently concentrate the juice through evaporation. In each subsequent effect, steam from the previous effect is used to heat and evaporate more water from the thickening juice, with vacuum applied to lower the boiling point. This allows for high evaporation rates with low energy use.
The document describes the process for refining sugar from raw sugar syrup. The key steps are:
1) Affination where raw syrup is mixed with crystals to wash off molasses in centrifuges.
2) Carbonation where lime and carbon dioxide are added to precipitate impurities.
3) Filtration to remove impurities.
4) Decolorization by passing the liquor through bone charcoal filters.
5) Concentration and crystallization in vacuum pans to form pure sugar crystals.
This document discusses different types of extraction processes including liquid-liquid, solid-liquid, and gas-liquid extraction. Liquid-liquid extraction involves using a liquid solvent to remove a liquid component from a liquid mixture. Solid-liquid extraction allows soluble components to be removed from solids using a solvent. Gas-liquid extraction uses a densified gas solvent to extract compounds from liquids. Coffee extraction is provided as an example of solid-liquid extraction, where water is used as the solvent to extract soluble flavors from coffee grains. Key factors that affect the extraction rate and yield are also summarized such as temperature, time, surface area, and solvent viscosity.
This document summarizes the production of sugar from sugar cane. It discusses the sources of sugar, the manufacturing process which includes harvesting, transportation, cutting, extraction of juice, filtration, evaporation, crystallization, centrifugation, drying and packing. It also discusses the byproducts of sugar production including bagasse, blackstrap molasses and filter cake. Finally, it provides information on major sugar producing areas in India and around the world.
Leaching process (solid-liquid extraction)Asim Farooq
This document defines and provides examples of the leaching process. Leaching involves extracting a substance from a solid material by contact with a liquid. A simple example given is making green tea, where steeping a green tea bag in hot water extracts the green flavor from the solid bag into the liquid water. The principle of leaching is that it can be done in batches, semi-batches, or continuously at an elevated temperature to increase solubility. Common uses of leaching include extracting minerals from ores in the metals industry, sugar from beets in the sugar industry, and oil from seeds in the oilseeds industry.
This presentation provides an overview of sugar processing from sugarcane and sugar beets. It discusses the sugar industry, raw materials used, types of sugar produced, and the simplified and detailed flow diagrams of sugar processing. The key steps in sugar processing from sugarcane are producing raw sugar from the sugarcane and then refining that raw sugar into refined sugar. Sugar processing from sugar beets follows a similar refining process.
Sugar is produced from sugar cane and sugar beets through multi-step manufacturing processes. Sugar cane is harvested and milled to extract juice, which is then boiled, clarified, evaporated, and crystallized to produce raw sugar. The raw sugar undergoes further refining to produce refined white sugar. Sugar beets undergo a similar continuous process to extract and refine their sugar. Byproducts of sugar cane processing like bagasse are used as fuel in sugar mills, and molasses has various industrial and agricultural uses. The sugar manufacturing industry employs advanced machinery and experienced workers to efficiently produce sugar through carefully controlled technical processes.
Sugar is produced from sugar cane and sugar beets. The sugar manufacturing process involves growing and harvesting the plants, preparing them for milling, milling to extract the juice, clarifying and evaporating the juice to form crystals, centrifuging to separate the crystals from the liquid, drying the crystals, and refining the sugar. Globally over 120 million tons of sugar are produced annually with approximately 70% coming from sugar cane.
The document describes the Bollman extractor, which is a type of basket extractor used for leaching solids. It consists of a vertical chamber with a series of perforated baskets attached to a chain conveyor. Dry solids are added to the top baskets and leached by a solvent solution as the baskets descend counter-currently. The wet solids are removed at the bottom and the recovered solvent is evaporated and stripped to extract oil. The Bollman extractor provides continuous counter-current contact between solids and solvent for effective leaching.
The sugar manufacturing process involves several steps: 1) Growing and harvesting sugarcane, 2) Preparing the cane for milling by cutting or crushing it to extract juice, 3) Milling the cane using roller mills to extract more juice, 4) Clarifying the extracted juice by removing impurities using chemicals like lime, 5) Evaporating the clarified juice in multiple effects to increase concentration, 6) Crystallizing sugar in evaporator-crystallizers then centrifuging to separate raw sugar from molasses.
The document discusses wastewater treatment in the sugar manufacturing process. It begins by providing an overview of the sugar manufacturing process and sources of wastewater generation at different stages. This includes wastewater from mill houses, boiling houses, boiler blow-downs, condenser cooling water, and soda/acid washes. Key characteristics of the wastewater like COD, BOD, pH, TSS are then described. Discharge norms for the sugar industry as per CPCB are listed. Conventional treatment involves an activated sludge process, while other options discussed are anaerobic lagoons, UASB, UBF reactors. A case study is summarized on treating sugar wastewater using a UAS
The sugar manufacturing process involves several steps:
1) Sugar cane is shredded to extract its juice, which is then boiled to remove water through multiple effect evaporation.
2) The concentrated syrup is further boiled in pans to facilitate sugar crystal growth in three steps, producing raw sugar.
3) Centrifuges separate the raw sugar crystals from molasses.
4) The raw sugar is then dried and may be further refined to produce white table sugar.
This document provides information on the manufacturing process of sugar from sugarcane. It discusses the raw materials used, which include sugarcane, water, lime, and calcium phosphate. The key steps in the manufacturing process are planting and harvesting sugarcane, cleansing and grinding the cane, juicing it to extract the sugarcane juice, clarifying and testing the juice, evaporating it to concentrate the sugar, crystallizing the sugar, refining it through processes like affination and carbonation, and finally separating and packaging the sugar. The document also notes that sugar comes in crystalline forms like non-centrifugal and centrifugal sugars containing up to 80% and 94-98% sucrose, respectively.
in this ppt i descussed about evaporator.evaporation,Evaporation is the process by which an element or compound transitions from its liquid state to its gaseous state below the temperature at which it boils.
types of Evaporators
Open kettle or pan
Horizontal tube natural circulation evaporator
Vertical tube natural circulation evaporator
Long tube vertical evaporator
Falling film evaporator
Forced circulation evaporator
Open-pan solar evaporator
The document discusses the determination of ash content in food samples. Ash content measures the total amount of minerals present and is determined by heating the sample in a muffle furnace to incinerate organic compounds and leave only the inorganic ash. The procedure involves weighing the dried sample, incinerating it using an electric heater and then a muffle furnace at 550-650°C for 5-6 hours, cooling the sample, and weighing it again to calculate the percentage of ash content using the formula: Ash Content (%) = Weight of ash / Total weight of sample × 100.
This document provides information about oleoresins and the oleoresin market. It defines oleoresins as resin-like materials obtained from extracting spices with hydrocarbon solvents. Oleoresins are stronger in flavor than raw spices but weaker than essential oils. The global oleoresin market is valued at $1.7 billion and India accounts for 70% of global production. Major oleoresin types include paprika, chilly, turmeric, pepper, ginger, and cardamom. The document also discusses extraction methods, key players, and market scenarios for both oleoresins and essential oils.
Solid-liquid extraction, also known as leaching, is a process that allows soluble components to be removed from solids using a solvent. It involves contacting the solid material with a liquid solvent to dissolve the desired constituent, then separating the solvent and dissolved material from the relatively depleted solids. Coffee preparation is a common example where water extracts the coffee flavors from grounds. The extraction process has two steps - contacting the solvent with the material, and then separating the formed solution from the exhausted solids. It has various applications in food processing like extracting oils from seeds and sugar from beets.
In refining process, physical and chemical processes are combined to remove undesirable natural as well as environmental-related components from the crude oil.
Starch and glucose production in large scaleAlif Hossain
The document describes the process for manufacturing corn starch. It involves the following key steps:
1. Cleaned corn kernels are soaked or "steeped" in water with sulfur dioxide for 24-48 hours to soften them.
2. The steeped kernels are then ground to separate out the germ, which is dried and used to make corn oil.
3. The remaining slurry is further ground and separated using screens and centrifuges to remove fiber, gluten, and produce a purified starch slurry.
4. The starch slurry can then be dried to produce unmodified corn starch or treated to produce modified starches, dextrins, or broken down into glucose.
The presentation gives the basic information regarding the extraction in food matrix. It includes basics of extraction, principles of extraction and the theory behind the solvent extraction. It also involves terms and terminologies involved in the extraction process, Factors affecting extraction efficiency and Types of Extractors. Mixer-Settlers for extraction, Spray extraction towers, Plate towers contactors, etc.
There are three main types of evaporators: natural circulation, forced circulation, and film evaporators. Natural circulation evaporators include evaporating pans, evaporating stills, and short tube evaporators. Forced circulation evaporators use pumps to circulate the liquid through a heated tube bundle. Film evaporators spread the liquid as a thin film over a heated surface, including wiped film, long tube climbing film, and long tube falling film evaporators. Each type has distinct construction features and advantages for different applications in concentrating liquids and removing solvents.
Process of sugar production from sugarcane - sugar factoryNegasi T.
This document outlines the process of sugar production from sugarcane. It begins with the cultivation of sugarcane, including planting, growing, and harvesting. It then details the manufacturing process, which includes transporting the sugarcane, washing, cutting, shredding, milling, clarification, filtration, evaporation, crystallization, centrifugation, refining, drying, and packaging. Finally, it discusses the byproducts produced during sugar production, such as bagasse, filter mud, spent wash, molasses, and cane tops.
EVAPORATION AND CONCENTRATION OF FOOD.pptxUnnimayaK4
Evaporation is commonly used to remove water from dilute foods to produce concentrated liquid products. It involves boiling the food to evaporate water. This increases microbiological stability and reduces costs of transportation and storage. Various methods are used including open kettle, thin film evaporation, and vacuum evaporation. Multiple effect evaporators connect several evaporators together to improve efficiency by using vapor from one effect to heat the next. Factors like heat transfer rate and viscosity influence the evaporation process. Common applications are producing concentrated juices, coffee extracts, evaporated milk, and reducing volumes of foods prior to further processing.
This Presentation gives an overview about the multiple effect evaporators. The intention is also focused on designing principles of Single and Multiple Effect Evaporators
This document summarizes a study on desulfurizing diesel fuel using biomass. It provides background on sulfur content in fuels and regulations, as well as common desulfurization methods like hydrodesulfurization. The study used Tamarindous indica shell powder as an adsorbent to remove sulfur from diesel fuel. Experimental details are given on preparing and characterizing the adsorbent. Results showed the adsorbent could reduce sulfur content by over 50% under optimal conditions of 40 minutes contact time and 1 gram dosage at 38°C. FTIR, SEM, and effect of various parameters are discussed. The conclusion is the adsorption process shows promise for diesel desulfurization.
Extraction of aromatic compounds from spices Anshika Saxena
Extraction of oleoresins & aromatic compd has been of great importance since ages. Spices contains essential oils ,terpenes sesquiterpenes & other VOCs .This presentation covers various extraction techniques employed worldwide along with their pros & cons.
If you like it ,Please press the thumb up button & donot forget to give your feedback in comments section, it would be extremely valuable . Any query ? Feel free to post in comments section. All the best ! Enjoy !
The document discusses boiler feed water chemistry. It describes various impurities found in water sources and different pre-treatment methods to remove them, such as clarification, filtration, ion exchange and degasification. It also covers internal boiler water treatment using chemicals like soda ash and phosphates to precipitate dissolved salts and prevent scaling. Maintaining proper water chemistry parameters and controlling corrosion is important for boiler reliability and efficiency.
Sugar is produced from sugar cane and sugar beets through multi-step manufacturing processes. Sugar cane is harvested and milled to extract juice, which is then boiled, clarified, evaporated, and crystallized to produce raw sugar. The raw sugar undergoes further refining to produce refined white sugar. Sugar beets undergo a similar continuous process to extract and refine their sugar. Byproducts of sugar cane processing like bagasse are used as fuel in sugar mills, and molasses has various industrial and agricultural uses. The sugar manufacturing industry employs advanced machinery and experienced workers to efficiently produce sugar through carefully controlled technical processes.
Sugar is produced from sugar cane and sugar beets. The sugar manufacturing process involves growing and harvesting the plants, preparing them for milling, milling to extract the juice, clarifying and evaporating the juice to form crystals, centrifuging to separate the crystals from the liquid, drying the crystals, and refining the sugar. Globally over 120 million tons of sugar are produced annually with approximately 70% coming from sugar cane.
The document describes the Bollman extractor, which is a type of basket extractor used for leaching solids. It consists of a vertical chamber with a series of perforated baskets attached to a chain conveyor. Dry solids are added to the top baskets and leached by a solvent solution as the baskets descend counter-currently. The wet solids are removed at the bottom and the recovered solvent is evaporated and stripped to extract oil. The Bollman extractor provides continuous counter-current contact between solids and solvent for effective leaching.
The sugar manufacturing process involves several steps: 1) Growing and harvesting sugarcane, 2) Preparing the cane for milling by cutting or crushing it to extract juice, 3) Milling the cane using roller mills to extract more juice, 4) Clarifying the extracted juice by removing impurities using chemicals like lime, 5) Evaporating the clarified juice in multiple effects to increase concentration, 6) Crystallizing sugar in evaporator-crystallizers then centrifuging to separate raw sugar from molasses.
The document discusses wastewater treatment in the sugar manufacturing process. It begins by providing an overview of the sugar manufacturing process and sources of wastewater generation at different stages. This includes wastewater from mill houses, boiling houses, boiler blow-downs, condenser cooling water, and soda/acid washes. Key characteristics of the wastewater like COD, BOD, pH, TSS are then described. Discharge norms for the sugar industry as per CPCB are listed. Conventional treatment involves an activated sludge process, while other options discussed are anaerobic lagoons, UASB, UBF reactors. A case study is summarized on treating sugar wastewater using a UAS
The sugar manufacturing process involves several steps:
1) Sugar cane is shredded to extract its juice, which is then boiled to remove water through multiple effect evaporation.
2) The concentrated syrup is further boiled in pans to facilitate sugar crystal growth in three steps, producing raw sugar.
3) Centrifuges separate the raw sugar crystals from molasses.
4) The raw sugar is then dried and may be further refined to produce white table sugar.
This document provides information on the manufacturing process of sugar from sugarcane. It discusses the raw materials used, which include sugarcane, water, lime, and calcium phosphate. The key steps in the manufacturing process are planting and harvesting sugarcane, cleansing and grinding the cane, juicing it to extract the sugarcane juice, clarifying and testing the juice, evaporating it to concentrate the sugar, crystallizing the sugar, refining it through processes like affination and carbonation, and finally separating and packaging the sugar. The document also notes that sugar comes in crystalline forms like non-centrifugal and centrifugal sugars containing up to 80% and 94-98% sucrose, respectively.
in this ppt i descussed about evaporator.evaporation,Evaporation is the process by which an element or compound transitions from its liquid state to its gaseous state below the temperature at which it boils.
types of Evaporators
Open kettle or pan
Horizontal tube natural circulation evaporator
Vertical tube natural circulation evaporator
Long tube vertical evaporator
Falling film evaporator
Forced circulation evaporator
Open-pan solar evaporator
The document discusses the determination of ash content in food samples. Ash content measures the total amount of minerals present and is determined by heating the sample in a muffle furnace to incinerate organic compounds and leave only the inorganic ash. The procedure involves weighing the dried sample, incinerating it using an electric heater and then a muffle furnace at 550-650°C for 5-6 hours, cooling the sample, and weighing it again to calculate the percentage of ash content using the formula: Ash Content (%) = Weight of ash / Total weight of sample × 100.
This document provides information about oleoresins and the oleoresin market. It defines oleoresins as resin-like materials obtained from extracting spices with hydrocarbon solvents. Oleoresins are stronger in flavor than raw spices but weaker than essential oils. The global oleoresin market is valued at $1.7 billion and India accounts for 70% of global production. Major oleoresin types include paprika, chilly, turmeric, pepper, ginger, and cardamom. The document also discusses extraction methods, key players, and market scenarios for both oleoresins and essential oils.
Solid-liquid extraction, also known as leaching, is a process that allows soluble components to be removed from solids using a solvent. It involves contacting the solid material with a liquid solvent to dissolve the desired constituent, then separating the solvent and dissolved material from the relatively depleted solids. Coffee preparation is a common example where water extracts the coffee flavors from grounds. The extraction process has two steps - contacting the solvent with the material, and then separating the formed solution from the exhausted solids. It has various applications in food processing like extracting oils from seeds and sugar from beets.
In refining process, physical and chemical processes are combined to remove undesirable natural as well as environmental-related components from the crude oil.
Starch and glucose production in large scaleAlif Hossain
The document describes the process for manufacturing corn starch. It involves the following key steps:
1. Cleaned corn kernels are soaked or "steeped" in water with sulfur dioxide for 24-48 hours to soften them.
2. The steeped kernels are then ground to separate out the germ, which is dried and used to make corn oil.
3. The remaining slurry is further ground and separated using screens and centrifuges to remove fiber, gluten, and produce a purified starch slurry.
4. The starch slurry can then be dried to produce unmodified corn starch or treated to produce modified starches, dextrins, or broken down into glucose.
The presentation gives the basic information regarding the extraction in food matrix. It includes basics of extraction, principles of extraction and the theory behind the solvent extraction. It also involves terms and terminologies involved in the extraction process, Factors affecting extraction efficiency and Types of Extractors. Mixer-Settlers for extraction, Spray extraction towers, Plate towers contactors, etc.
There are three main types of evaporators: natural circulation, forced circulation, and film evaporators. Natural circulation evaporators include evaporating pans, evaporating stills, and short tube evaporators. Forced circulation evaporators use pumps to circulate the liquid through a heated tube bundle. Film evaporators spread the liquid as a thin film over a heated surface, including wiped film, long tube climbing film, and long tube falling film evaporators. Each type has distinct construction features and advantages for different applications in concentrating liquids and removing solvents.
Process of sugar production from sugarcane - sugar factoryNegasi T.
This document outlines the process of sugar production from sugarcane. It begins with the cultivation of sugarcane, including planting, growing, and harvesting. It then details the manufacturing process, which includes transporting the sugarcane, washing, cutting, shredding, milling, clarification, filtration, evaporation, crystallization, centrifugation, refining, drying, and packaging. Finally, it discusses the byproducts produced during sugar production, such as bagasse, filter mud, spent wash, molasses, and cane tops.
EVAPORATION AND CONCENTRATION OF FOOD.pptxUnnimayaK4
Evaporation is commonly used to remove water from dilute foods to produce concentrated liquid products. It involves boiling the food to evaporate water. This increases microbiological stability and reduces costs of transportation and storage. Various methods are used including open kettle, thin film evaporation, and vacuum evaporation. Multiple effect evaporators connect several evaporators together to improve efficiency by using vapor from one effect to heat the next. Factors like heat transfer rate and viscosity influence the evaporation process. Common applications are producing concentrated juices, coffee extracts, evaporated milk, and reducing volumes of foods prior to further processing.
This Presentation gives an overview about the multiple effect evaporators. The intention is also focused on designing principles of Single and Multiple Effect Evaporators
This document summarizes a study on desulfurizing diesel fuel using biomass. It provides background on sulfur content in fuels and regulations, as well as common desulfurization methods like hydrodesulfurization. The study used Tamarindous indica shell powder as an adsorbent to remove sulfur from diesel fuel. Experimental details are given on preparing and characterizing the adsorbent. Results showed the adsorbent could reduce sulfur content by over 50% under optimal conditions of 40 minutes contact time and 1 gram dosage at 38°C. FTIR, SEM, and effect of various parameters are discussed. The conclusion is the adsorption process shows promise for diesel desulfurization.
Extraction of aromatic compounds from spices Anshika Saxena
Extraction of oleoresins & aromatic compd has been of great importance since ages. Spices contains essential oils ,terpenes sesquiterpenes & other VOCs .This presentation covers various extraction techniques employed worldwide along with their pros & cons.
If you like it ,Please press the thumb up button & donot forget to give your feedback in comments section, it would be extremely valuable . Any query ? Feel free to post in comments section. All the best ! Enjoy !
The document discusses boiler feed water chemistry. It describes various impurities found in water sources and different pre-treatment methods to remove them, such as clarification, filtration, ion exchange and degasification. It also covers internal boiler water treatment using chemicals like soda ash and phosphates to precipitate dissolved salts and prevent scaling. Maintaining proper water chemistry parameters and controlling corrosion is important for boiler reliability and efficiency.
This document discusses environmental standards and wastewater discharge standards for pulp and paper mills. It describes the pulp making and paper production processes, sources of waste, and characteristics of the wastewater. Large mills that practice chemical recovery have lower pollution levels compared to small mills. Treatment methods discussed include lime treatment, biological treatments like activated sludge and lagoons, and the goal is high removal of BOD, COD, color and other pollutants before discharging to surface waters.
Solid coal preparation involves upgrading raw mined coal to meet purity and size specifications through separation processes. The upgrading removes waste rock and water from mined coal after mining and before transport through processes like washing, jigging, and froth flotation. These processes separate coal from impurities using techniques like density differentiation in liquid mixtures or centrifugal separation. The objectives are to reduce costs, improve coal properties, and minimize environmental impacts.
This document discusses gas separation and dehydration processes. The first step is separating crude oil and gas. If salt content in crude is over 10 lb/1000 bbl, desalting is required to prevent fouling and corrosion from salt deposits. Dehydration removes salt, solids, water, amines, and particles to prevent issues like fouling, scaling, and catalyst poisoning. Methods include gravity separation, electrochemical separation, ultrasound, chemical addition, and filtering hot crude with diatomaceous earth. Processes include heating crude to ease separation, adding chemicals like ammonia, and adjusting pH. Water is recycled to dilute dispersed brine to meet salt specifications.
Coal preparation involves removing impurities from raw coal through various separation processes like screening, classification, and density separation. This produces a cleaner, higher quality coal suitable for use. Carbonization is the process of converting coal into coke through heating in the absence of air. Liquefaction and gasification convert coal into liquid and gaseous fuels through addition of hydrogen and application of heat and pressure. Key processes include direct and indirect liquefaction as well as moving bed, fluidized bed, and entrained flow gasification.
This document provides an overview of coal preparation, carbonization, liquefaction, and gasification processes. It describes how coal is cleaned and separated from impurities in preparation. Carbonization is the process of converting coal to coke through heating in the absence of air. Liquefaction and gasification convert coal to liquid and gaseous fuels. Key steps and technologies are outlined for each process, including separation mechanisms for preparation and different gasification techniques. Environmental and economic considerations are also briefly discussed.
205064496-Water-Treatment-Calculations-Updated.pptxMarco Meza
The document provides information on various water treatment processes including coagulation, sedimentation, filtration, chlorination, ion exchange, and membrane processes like microfiltration, reverse osmosis, and nanofiltration. The key steps in water treatment involve raw water storage, coagulant and pH adjustment, flocculation, sedimentation, filtration, disinfection and distribution. Membrane processes use semi-permeable membranes to separate particles and molecules of different sizes through processes like reverse osmosis, microfiltration and nanofiltration.
This document provides an overview of the water treatment process at R.K.M Powergen Private Limited. It involves drawing raw water from the Sara di River, treating it through various stages including clarification, filtration, ultrafiltration, reverse osmosis, and mixed bed ion exchange to produce demineralized water. Key stages of the treatment process include clarifiers, sand filters, ultrafiltration membranes, reverse osmosis membranes, degasser tank, and mixed bed tanks. Water quality is monitored throughout the treatment process.
Tanning is the process of converting animal hides and skins into leather through chemical treatments. This document describes the tanning process and the tannery industry in Bangalore, India. It discusses the types of chemicals used in tanning, the characteristics of tannery wastewater, and the treatment methods used, including physical separation processes, chemical coagulation and flocculation, sedimentation, biological treatments, and sludge management. The major tannery area in Bangalore is located on Tannery Road, which has around 700 leather shops.
This document discusses water treatment processes and Indian drinking water standards. It outlines the key treatment steps including screening, aeration, sedimentation, coagulation and flocculation, filtration, softening, and disinfection. It provides details on the objectives, methods, and design considerations for each treatment process. The document also lists the desirable and tolerable limits for various water quality parameters according to Indian standards and references additional resources on water treatment.
This document discusses water filtration and disinfection methods. It covers various filtration methods like slow sand filtration and pressure filtration. Slow sand filtration uses layers of sand, gravel and other media to slowly filter water. Pressure filtration uses enclosed steel cylinders to filter water more quickly under pressure. The document also discusses several disinfection methods including boiling, chlorination, ozonation, and UV light treatment. Chlorination is commonly used because chlorine is inexpensive, effective at killing microorganisms, and can be applied as a gas, liquid or powder to disinfect drinking water.
This document summarizes filtration and disinfection methods for water treatment. It describes various filtration methods including slow sand filtration, rapid sand filtration, and pressure filtration. It details the components, processes, and properties of slow sand filters. Rapid sand filters and pressure filters are also summarized. The document then summarizes various disinfection methods including boiling, lime treatment, iodine/bromine treatment, silver treatment, ozone treatment, potassium permanganate treatment, ultraviolet ray treatment, and chlorine disinfection. Chlorine disinfection is described in the most detail including its mechanisms of action.
what is producer gas?
Typical components of producer gas
Tar classification
Types of Biomass
GENERAL METHOD BIOMASS PRODUCER GAS CLEANING SYSTEM
Classification of mechanical/physical gas cleaning systems.
ADVANCE CLEANNING SYSTEM
how to clean producer gas from the system
who student are interested for slide regarding the biotechnology subject please send mail at shubhammaurya97938@gmail.com
it will help as notes.
this slide will help who love the environment,as well as will help to get the basic knowledge regarding STP.
The document discusses various steps in water treatment processes at a water treatment plant. It describes (1) removing suspended solids through coagulation, flocculation, and filtration, (2) removing dissolved solids such as gases and minerals through deaeration, ion exchange, and other processes, and (3) using various chemicals and equipment like settling tanks, filters, and deaerators. It also provides details on concepts like coagulation, flocculation, filtration, ion exchange resins, and specific treatment methods.
The document summarizes the production of chlorine and sodium hydroxide (caustic soda) via three main electrolytic processes: diaphragm, mercury, and membrane. It describes the raw materials, process, advantages/disadvantages, and engineering challenges of each. The main methods are electrolysis of brine solutions to produce chlorine gas and caustic soda. Membrane cells are most modern and efficient but mercury and diaphragm plants are being converted due to regulations and costs. Engineering issues include cell design selection, corrosion protection, and economics.
LABSA / LAS Production By Rhymer Chemical Industries LtdSaad Bin Hasan
Rhymer Chemical Industries Ltd produces LABSA (Linear Alkyl Benzene Sulphonic Acid) and oleum through a process involving drying air, melting sulfur, producing sulfur trioxide, reacting the sulfur trioxide with LAB in a reactor, aging and hydrolyzing the product, separating gases, scrubbing gases, precipitating remaining particles electrostatically, packaging the LABSA, and analyzing samples. The plant is located in Kashore, Bangladesh and has a production capacity of 50 metric tons.
Boiler feed water requires treatment to remove various contaminants that can cause issues like corrosion, scaling, and deposition. There are external and internal treatment methods. External methods include clarification, filtration, ion exchange, and membrane separation techniques like reverse osmosis to remove suspended solids, dissolved salts, and other impurities. Internal methods include deaeration to remove oxygen and carbon dioxide, pH control using amines or caustic soda, and chemical addition for corrosion and deposit control. Proper deaeration is critical to minimize oxygen and achieve the low ppb levels needed to prevent corrosion, requiring adequate steam flow, venting, and monitoring of deaerator performance.
5. AFFINATION
• Affination - removing the adhering film of
molasses from the surface of the raw sugar
crystal
• Avg . Purity of film about 70%
• purely mechanical process
– Softening the adhering molasses film
– Rubbing it off with other crystals
– Dissolving it in affination greens
– Crystal separated by centrifugal forces
6. MINGLING:……………Affination
• Raw sugar mingled with green syrup forming
magma
• Then it is purged on batch or continuous
centrifugals, and the crystals separated from
the film of molasses are washed with water
• Discharged sugar – affined sugar / washed
sugar
7. • Green syrup
– Low purity sugar solution (not less than 80% purity)
– Has an high affinity towards impurities and non sugars
– Capable for dissolving/ softening the adhering film
➢Generally 20 – 30 lb of green s required for 100 lb of raw sugar
➢Temperature = 72 deg.celcius, can obtain magma temperature of
49-60 deg.celcius
➢If adhering film hard magma temperature high, soft- magma
temperature low
8. MINGLER
• U-shaped trough with a gate at the end
• Capacity – 300 tons
• Long = 18ft
• Width = 3 ft
• Shaft – connected to motor 20hp
• Speed = 30-40 rpm
• Insulation- avoid heat radiation
• Arms are attached to shaft – which provide slight
rubbing action between crystal
9.
10. Affination- Melting
• Affined sugar or washed raw sugar melted
before it is pretreated carbonation , lime
treatment, etc
• Sugar melted using sweet water
• Sweet water – clean, free from microbes,
neutral, free from inorganic salts
• Standard type of melter – shallow wide tank
12. • Each compartment has
– Axial flow impeller
– Draft tube
• Over flow from one compartment is flow into next
one – eliminate short circuiting
• Circulation should be sufficient to keep all crystals
in suspension- terminal setting velocity – < o.1 m/s
• Heating – direct steam injection or in direct contact
heater
13. Affination: Screening of melt
• sugar is melted to the desired Brix , it should
be screened before further treatment to
eliminate lint, cane fibre, and other large
impurities
• A stationery rectangular vibrating screen
• Mesh size depends on type and size of
suspended matter
15. Carbonation
• Involves precipitation of calcium carbonate
through addition of lime and contacting
carbon dioxide gas
• Crystalline mass formed , removes impurities
followed by filtration to get clear liquid
16.
17. Carbonation…………..SATURATORS
• Two or more saturator commonly used
• First stage pH- 9.5 and most of gas absorption
occur at this stage
• Exit liquor pH less than 8.5
• Resistance time – 1 hr
• Capacity of saturator vary depends on plant
capacity
• Gas distribution through nozzle at bottom
18. • Flue gas from boiler used in saturators
• Flue gas pass through the scrub where other
gases such as sulphur dioxide, NO2, etc can be
removed
Carbonation…………..FLUE GAS
PRODUCTION
20. Phosphatation
• Different from carbonation
• Phosphatation principle – flocculation
• Carbonation – inclusion of impurities within
calcium carbonate crystal
• Phosphatation- formation of floc formed by
addition of lime and phosphoric acid which
captures fine colloidal matter and its is
separated by flotation with dissolved air
21. JACOBS PHOSPHATATION CLARIFIER
• Six U shaped trough
• 760 mm deep at feed end and 150 mm at
outlet end
• Heating element – promote formation of
small air bubbles
• Scum remover running a length of clarifier
26. SULFITATION
• Objective
– Eliminates coloring matter
– Reduces colorless compounds ( ferric salts – which
formed by contact with mills and tanks)
➢ Treating melt liquor with sulphur dioxide gas
27.
28. Sulphitation process
• Fresh syrup from the contactor is taken to the
ejector
• Out going gas is scrubbed with the incoming
fresh syrup
• Resistance time 8 minutes
• System capacity = 150 t/hr
• 67 t/h liquid syrup to be treated with 345 m3/
hr
30. INTRODUCTION
• Pure sucrose – color less , but may appear
colored because of inclusion of small amount
of colored material
• Objective:
– Removal of colour
31. Nature and Origin of colorants
• Color originates from sugar cane
– Cane variety , season
• Through processing
– Caramelization
– Alkaline degradation
➢Caramelization – HADP (hexose alkaline degradation
Products) at high temperature and melanoids at low
temperarture
34. Measurement of colour
• Absorbance measure at pH= 7
ICUMSA = (A420 * 10000)/ ( . C)
A420 = Absorbance at 420
= Cell Length
C= Concentration
35. Method of decolorization
• Ion Exchange decolorization
• Bone Char / Activated carbon system
• Use of oxidants
36. ION EXCHANGE DECOLORIZATION
• Resins are strong base anion exchange resin in
chloride form
• Resins- Macro reticular resin rather than gel
• Resin matrix any one or two types as follow
1. Styrenic resin
• Made of styrene polymer
• Remove more color but prone to fouling
2. Acrylic resin
• Less fouling
37. ION EXCHANGE SYSTEM
• Fixed bed columns
– Volume = 6 and 16 m3
– Volume of vessel higher than resin – accommodate
expansion on back washing
– Diameter = 2.3 and 3 m
– Vessel are rubber or glass lined to protect against
corrosion
– Flat bottom
– Programmable logic controller – control valve operations
– System – single stage or two stage
– Second stage newer resin
39. RESIN REGENERATION
• Styrenic resins are more difficult to regenerate
• Acrylic resins regenerated by sodium chloride
solution
• Regeneration takes place every 18-24 hr
operation
• Regeneration steps
– Sweetening off
– Back wash
– Regeneration with 100g/L sodium chloride solution
– Rinsing with soft water
40. BONE CHAR SYSTEM
• Bone char- porous, black granular material
• Prepared by heating bones in absence of air
followed by grinding to a suitable granular
condition
• Used for decolorization
• Composition
– Tri calcium phosphate = 57-80%
– Calcium carbonate = 6-10%
– Carbon = 7-10%
41. CHAR SYSTEM
• 20 t char/ 100 t melt
• Column depth 2-3 times of its dia meter
• Continuous back wash regeneration draw back :
–liquid outflow diverted to various
destination, char run off
• Regeneration system:
➢ Emptying , washing and refilling the column
➢ System non operational for significant portion of time
42.
43. ACTIVAED CARBON SYSTEM
• Granular activated carbon – effective color
adsorbent
• 90% carbon
• Powdered carbon also used , its average size
= 0.15 – 1 mm
44. • Cylindrical column
• Liquor flowing downwards at a velocity of 3 –
4.5 m3/hr
• Total contact time = 4.5-6 hrs
• Bulk density = 450 kg/m3
• Volume = 400 m3 for 1000t/day
ACTIVAED CARBON SYSTEM…..PROCESS
45. Regeneration of GAC
• Regeneration of GAC done at high temperature
furnance
• Temperature 400- 900 deg.celcius
• Thermal reactivation consists of three steps
– Drying
– Volatilization of impurities - which is adhere on the
carbon surface decomposed in to hydro carbon,
hydrogen, vapor
– Gasification of carbonaceous residue left on the
carbon particles
46. Pulsed system Activated carbon system
•Inlet liquor flow is upward direction
•Slight expansion , provide more surface area