engleski

Bisulfite Catalyzed Borohydride Reduction of Selected Azo Dyes

Water-soluble dyes and closely related by-products containing azo groups can be chemicaly reduced by different agents. sodium borohydride, one of the strongest water-soluble reducing agent has not been extensively employed in dye reductions due to its rapid reaction with water and its tendency to reduce via hydride transfer mechanistic pathway. In this paper, we studied the bisulfite-catalyzed borohydride reductions of selected azo dyes. The aim of our research is to apply this reduction process in dye wastewater decolorization.

azo dyes; reduction; wastewater treatment

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