Effluent Treatment Plant for Textile Industry

Textile industry effluent quality varies depending upon the process and technologies employed and the type and form of textile product which might include synthetic/ cotton or blended, fiber or yarn, kitted or woven, sewing threads or embroidery, or Industrial fabrics like tarpaulin or tire cord. Textile industries convert fibres into yarn, transform the yarn into fabrics or related products, and dye and finish the materials at various stages of production. Depending on the nature of fibre and processing steps, water consumption for chemical processing in textile industries is in the range of 50 to 300 L per kg of fibre. Since different products require processes like, kiering, scouring, bleaching, carbonizing, dyeing, printing, sizing etc., the effluent quality greatly varies thus requires skillful combination of various unit operations in the Effluent Treatment Plant.

Textile industry wastewater generated at various processing stages

Fiber preparation

Little or no wastewater generated

Yarn spinning

Little or no wastewater generated

Slashing/sizing

BOD, COD, metals, cleaning waste, size.

Weaving, knitting, tufting

Little or no wastewater generated

Desizing

BOD from water-soluble sizes, synthetic size, lubricants, biocides, anti-static compounds

Scouring

Disinfectants and insecticide residues, NaOH, detergents, fats, oils, pectin, wax, knitting lubricants, spin finishes, spent solvents.

Bleaching

Hydrogen peroxide, sodium silicate or organic stabilizer; high pH

Singeing

Little or no wastewater generated

Mercerizing

High pH, NaOH

Heatsetting

Little or no wastewater generated

Dyeing

Metals, salts, surfactants, toxic materials, organic processing assistants, cationic materials, colour, BOD, COD, sulphides, acidity/alkalinity, spent solvents.

Printing

Suspended solids, urea, solvents, colour, metals, heat, BOD, foam

Finishing

BOD, COD, suspended solids, toxic materials, spent solvents.

Product Fabrication

Little or no wastewater generated

Team Effwa has experience of having installed over 1000 Effluent Treatment Plants for Textile Processing Industries globally including those with Zero Discharge. The processes employed included Physico-chemical + Biological or only Biological with advanced treatment with Ultrafiltration (UF) and Reverse Osmosis (RO) for recovery of water.

Need an Effluent Treatment Plant for your Textile Industry?

About the Author

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Team Effwa relentlessly works towards solution formulation for various complex environmental issues of the 21st century. Effwa is an engineering powerhouse dedicated to making earth a little beautiful every day by providing the highest quality of environmental services to industries and municipal authorities worldwide.

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