This document discusses the treatment of wastewater from the textile industry. It notes that textile wastewater contains a variety of dyes and chemicals from dyeing and finishing processes that make it challenging to treat. The major pollutants in textile wastewater include high levels of suspended solids, chemical oxygen demand, heat, color, acidity, and other soluble substances. The document then outlines the primary, secondary, and tertiary treatment processes used to remove these pollutants, including screening, sedimentation, neutralization, flocculation, aerated lagoons, activated sludge processes, and various advanced oxidation processes.
Textile dyeing industry: wastewater treatment and managementMd. Shamim Ahmed
small overview on wastewater treatment and management made by my brother(Roni Das) from another mother. I helped him to made this because he is greenhorn about power point presentation.
The dyestuff sector is one of the important segments of the chemicals industry in India, linked with a variety of sectors like textiles, leather, paper, plastics, printing inks and foodstuffs.
Unit operations and process involved in manufacturing of dyes and dye intermediates, wastewater characteristics of dyes and dye intermediates, effluent discharge standards, treatment technology for dye and dye intermediates, solid waste generation and Gaseous emissions.
Textile dyeing industry: wastewater treatment and managementMd. Shamim Ahmed
small overview on wastewater treatment and management made by my brother(Roni Das) from another mother. I helped him to made this because he is greenhorn about power point presentation.
The dyestuff sector is one of the important segments of the chemicals industry in India, linked with a variety of sectors like textiles, leather, paper, plastics, printing inks and foodstuffs.
Unit operations and process involved in manufacturing of dyes and dye intermediates, wastewater characteristics of dyes and dye intermediates, effluent discharge standards, treatment technology for dye and dye intermediates, solid waste generation and Gaseous emissions.
Textile Wastewater Treatment in BangladeshMahmudul Hasan
What is wastewater, textile wastewater treatment, Major Pollutants in textile wastewater, Steps of textile wastewater treatment, Brief overview of textile wastewater in Bangladesh.
Textile processing toxicity and health hazard. Green Environment Ideas (Bangl...md sohag miah
Textile processing toxicity and health hazard. (Bangladesh perspective)
Presentation on green chemistry: Donghua University, Shanghai. China.
This PPT mainly describes the textile dyes and chemically made health hazards to the workers and surrounding environmental peoples of the textile industry (of Bangladesh).
What is Waste?
Waste is undesirable, unwanted material which is inevitable & any type of material which we throw.
Types of Waste -
1 Preconsumer Waste - is a material that was discarded before it was ready for consumer use. Pre-consumer recycled materials can be broken down and remade into similar or different materials, or can be sold "as is" to third party buyers who then use those materials for consumer products. Preconsumer textile waste usually refers to waste by-products from fiber, yarn, textile, and apparel manufacturing. It can be mill ends, scraps, clippings, or goods damaged during production, and most is reclaimed and reused as raw materials for the automotive, furniture, mattress, coarse yarn, home furnishing, paper, and other industries
2 Postconsumer Waste -
Postconsumer textile waste usually refers to any product that the individual no longer needs and decides to discard due to wear or damage and normally includes used or worn clothing, bed linens, towels, and other consumer textiles. Postconsumer waste which can be recovered are clothing, drapes/curtains, towels, sheets and blankets, clean rags and sewing remnants, table cloths belts hand bags paired shoes and socks.
Lecture note of Industrial Waste Treatment (Elective -III) as per syllabus of Solapur university for BE Civil
Prepared by
Prof S S Jahagirdar,
Associate Professor,
N K ORchid College of Engg and Tech,
Solapur
Textile Wastewater Treatment in BangladeshMahmudul Hasan
What is wastewater, textile wastewater treatment, Major Pollutants in textile wastewater, Steps of textile wastewater treatment, Brief overview of textile wastewater in Bangladesh.
Textile processing toxicity and health hazard. Green Environment Ideas (Bangl...md sohag miah
Textile processing toxicity and health hazard. (Bangladesh perspective)
Presentation on green chemistry: Donghua University, Shanghai. China.
This PPT mainly describes the textile dyes and chemically made health hazards to the workers and surrounding environmental peoples of the textile industry (of Bangladesh).
What is Waste?
Waste is undesirable, unwanted material which is inevitable & any type of material which we throw.
Types of Waste -
1 Preconsumer Waste - is a material that was discarded before it was ready for consumer use. Pre-consumer recycled materials can be broken down and remade into similar or different materials, or can be sold "as is" to third party buyers who then use those materials for consumer products. Preconsumer textile waste usually refers to waste by-products from fiber, yarn, textile, and apparel manufacturing. It can be mill ends, scraps, clippings, or goods damaged during production, and most is reclaimed and reused as raw materials for the automotive, furniture, mattress, coarse yarn, home furnishing, paper, and other industries
2 Postconsumer Waste -
Postconsumer textile waste usually refers to any product that the individual no longer needs and decides to discard due to wear or damage and normally includes used or worn clothing, bed linens, towels, and other consumer textiles. Postconsumer waste which can be recovered are clothing, drapes/curtains, towels, sheets and blankets, clean rags and sewing remnants, table cloths belts hand bags paired shoes and socks.
Lecture note of Industrial Waste Treatment (Elective -III) as per syllabus of Solapur university for BE Civil
Prepared by
Prof S S Jahagirdar,
Associate Professor,
N K ORchid College of Engg and Tech,
Solapur
Textile Industries And Environment(Specially For bangladesh)Sadia Textile
One of the major contributors to many Asian economies and one of the main revenue-generating sectors.
Has grown over the past years to become primary export earner and largest single employer of the manufacturing industry in Bangladesh
Undesirable waste water characteristics – Characteristics of industrial waste waters – Waste water characteristics – Estimating the organic content – Measuring the efficiency toxicity – In plant waste control and waste reuse – Storm water control.
Effluent Treatment Plant
What is ETP
Need fo ETP
Design of ETP
Design of ETP
Sludge treatment process
Flowchart of ETP
Case study of ETP
ETP plant operation
Textile plant ETP
Equalization
Sedimentation
Settlers
Sludge treatment process
Flowchart of ETP
Case study of ETP
ETP plant operation
Textile plant ETP
Equalization
Sedimentation
Settlers
PH adjustment
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2. • Textile wastewater includes a large variety of dyes and
chemical additions that make the environmental challenge
for textile industry not only as liquid waste but also in its
chemical composition.
•Main pollution in textile wastewater come from dyeing
and finishing processes.
•These processes require the input of a wide range of
chemicals and dyestuffs, which generally are organic
compounds of complex structure.
•Water is used as the principal medium to apply dyes and
various chemicals for finishes.
•Because all of them are not contained in the final product,
became waste and caused disposal problems.
•Major pollutants in textile wastewaters are high suspended
solids, chemical oxygen demand, heat, colour, acidity, and
other soluble substances.
•Substances which need to be removed from textile
wastewater are mainly COD, BOD, nitrogen, heavy metals
and dyestuffs1,2.