2005•Hebei Chemical Engineering and IndustryRequires access

Study on Modification of Bentonite for Treatment of Wastewater from DyestuffIndustry

Zheng Zhen-hui

Abstract

The modification and transformation of bentonite and treatment of dyestuff industrial wastewater with modified bentonite were studied. Results showed that the decolorization rate of the active dye-containing aqueous solution was more than 95%. The COD removal efficiency of the wastewater consisting mainly of active dye was 56% at a modified bentonite adsorbent dosage of 2.5 g/L.

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Key concepts: Bentonite, Wastewater, Aqueous solution, Adsorption, Industrial wastewater treatment, Pulp and paper industry, Transformation (genetics), Sewage treatment