ENVIRONMENTAL CONTAMINANT DYES: SOURCES AND EFFECTSNARINDERJIT KAUR, SANGEETA SHARMA AND EKTA KHOSLA
Increasing environmental pollution from industrial effluent is the main apprehension these days. Many industries such as textile, paper, pharmaceuticals, plastic etc. exploit dyes to color their products to make them attractive and also use substantial volumes of water. These industries generate a considerable amount of colored effluent which contains many impurities such as dyes, surfactants, mordants etc. Global environmental difficulties connected with the textile industry are water pollution caused due to the release of raw effluent and use of poisonous chemicals. The presence of even a small quantity of dye (1ppm or less) is highly observable and objectionable. According to WHO, color is the first observable parameter of water. Many of these dyes pose a severe risk to living organisms because they are toxic and carcinogenic in nature. Thus, these impurities must be made impassive before releasing the effluent into the water bodies, to avert health hazards and environmental problems.
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