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A Yarn Dyeing process house with a conventional ETP with ZLD is facing a significant costs of treatment due to use of coagulants and flocculants in the primary chemical treatment particularly in treating cotton dyeing spent liquor
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Problem Statement - A Yarn Dyeing process house with a conventional ETP with ZLD is facing a significant costs of treatment due to use of coagulants and flocculants in the primary chemical treatment particularly in treating cotton dyeing spent liquor. 

Challenge description with context - The challenge here is to reduce the chemical consumption by any or a combination of the below mentioned strategies: 1)Enhancing efficiency of biological treatment by increasing the metabolism by micronutrients 2)Reducing chemical consumption by alternative flocculation (tube-flocculator) and coagulation (Electrocoagulation) technology 3)Selecting/ Isolating specialized microbial biomass suitable for degrading reactive dyes.

 Problem – The major problem being solved is consumption of inorganic coagulant chemicals, concomitant reduction in cost and generation of inorganic sludge

Users – Textile and Dyestuff manufacturing

Expected Outcomes - Reduced cost of treatment, Reduced chemical consumption, Reduced power consumption in dewatering of chemical sludge, Better Effluent Treatment Compliance due to reduced cost of treatment, Change in industry mind-set as the treatment becomes economically viable, Reduction in inorganic sludge and landfill use.

Probable Discipline – Environment Engineer

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