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Environmentally Dangerous Chemicals used in Dyes

Environmentally Dangerous Chemicals used in Dyes . By Sam West. Discarded Materials . Often enter the water supply Examples Mainland China (yellow river) polluted by industrial waste from textiles Solutions would be to reuse materials for new dye’s. Dyes Used in Fibers .

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Environmentally Dangerous Chemicals used in Dyes

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  1. Environmentally Dangerous Chemicals used in Dyes By Sam West

  2. Discarded Materials • Often enter the water supply • Examples Mainland China (yellow river) polluted by industrial waste from textiles • Solutions would be to reuse materials for new dye’s

  3. Dyes Used in Fibers • Are Often Acidic for example: sulfuric acid, acetic acid, sodium sulfate, and surfactants) • Also metallic's, and sulfurs that have a major destructive • •Sulfur or sulfide dyes: contain sulfur or are pre- cipitated from sodium sulfide bath; furnish dull shades with good fastness to light, wash- ing, and acids but susceptible to chlorine and light • C8

  4. References • http://www.ifc.org/ifcext/enviro.nsf/AttachmentsByTitle/gui_dye_WB/$FILE/dye_PPAH.pdf

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