Jan 01, 2012 · Wet processing operations (including preparation, dyeing, and finishing) generate the majority of textile wastewater having very high COD, BOD, TDS and very deep colour as shown in the Table 1.Large numbers of chemical constituents such as alkali, acids, bleaching chemicals, enzymes, starch, dyes, resins, solvents, waxes, oils etc. are used in the various steps during …
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