Pollution textile auxiliaries

There was a number of papers and patents on recycling dye and textile industry wastewater for reuse of dye. textile auxiliaries, and water. Recycling is considered a pan of pollution prevention. 

Uses Emulsifier, pigment wetting agent/dispersant for agric. pesticides, paper pulp mfg., water treatment, oil recovery and pollution control, textile auxiliaries, cleaning materials, antimist compds., emulsion polymerization... 

In addition to the dyebath, several auxiliary baths are used in batch textile processing to clean dyed goods and/or to fix the dye to the fiber. Considerable energy, water and chemicals are also wasted when these auxiliary baths are drained to the sewer. Plant pollution problems are also worsened by the additional effluent. Virtually all of the chemicals used in the auxiliary baths (sodium hydrosulfite and hydroxide, surfactants, etc.) are colorless, and thus do not lend themselves to simple... 

Benzene (BS) and naphthalene sulfonates (NPS) are commonly used in the textile industry as dye bath auxiliaries and in the tannery industry as dispersants and wetting agents. After application, these compounds are discharged into surface waters and their presence in industrial effluents was not reported due to the lack of an appropriate analytical technique. Recently, ion-pair chromatography-ESI-MS and LC-ESI-MS was developed to determine BS and NPS with the final goal of determining polar, ionic, and water-soluble pollutants in wastewater [7],... 

Norman, P. I., and R. Seddon, 1991. Pollution control in the textile industry—The chemical auxiliary manufacturer s role, part 1. J.Soc. Dyers and Colourists (April), p. 150. 

---