It was shown that the COD of basic dyestuff wastewater was reduced 64.96% after ozone bubbling treatment. The results with the basic dye showed that COD reduction and decolorization were remarkable under basic conditions (pH 12).
It was shown that the COD of basic dyestuff wastewater was reduced 64.96% after ozone bubbling treatment. The results with the basic dye showed that COD reduction and decolorization were remarkable under basic conditions (pH 12).