SED Research Report No. 17: Color Removal from Azo Dye Wastes

Sanitary Engineering Research Committee

Serial Information: Journal of the Sanitary Engineering Division, 1958, Vol. 84, Issue 2, Pg. 1-4

Document Type: Journal Paper

Abstract: Azo type dye colors are used to large extent in textile and related industries; efficiencies and economics of treating ten typical azo dyes with stannous chloride for color removal have been determined; color may be removed by heating dye waste (212 F) for about two hours in presence of small quantity of stannous chloride, powerful reducing agent.

Subject Headings: Dyes | Chloride | Fabrics | Industrial wastes | Economic factors | Temperature effects | Recycling | Waste treatment |

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