Topic > Sawdust Case Study - 969

Nowadays, the demand for textile products has increased significantly and the latter has caused a proportional increase in the textile industry and its waste water in India. There are more than 800 dyeing, bleaching and textile processing industries in Tiruppur which generate over 1,00,000 m3/day of textile effluents (Ranganathan et al., 2007). The dyeing process is carried out in an aqueous bath with pH variations between 4 and 12. To color the processed fabric, various classes of dyes are used depending on the specific needs which include vat dyes, naphthols, sulfur dyes, direct dyes etc. the amount of dyes in the environment during the dyeing and finishing processes of textile fibers is one of the main sources of water pollution. Individual wastewater treatment using physical, chemical or biological methods is often very expensive and involves large amounts of waste