Sorption Purification of Sewage from Aromatic Nitro Compounds

L. I. Mukhortova, Yu. T. Efimov, T.G. Konstantinovа, V.P. Endyuskin
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Abstract

The possibility of using activated carbons in wastewater treatment from aromatic nitrophenols and nitrosulfonic acids was investigated. The main parameters of the adsorption process that provide the maximum degree of purification are determined: the amount of activated carbon and the pH of mother solutions. The method of regeneration of the extracted activated carbon by treatment with sodium hydroxide solution was studied, the optimal conditions of extraction were determined.
吸附净化污水中的芳香族硝基化合物
研究了在芳香族硝基苯酚和亚硝基磺酸废水处理中使用活性炭的可能性。确定了可提供最大净化程度的吸附过程的主要参数:活性炭的用量和母液的 pH 值。研究了用氢氧化钠溶液处理提取的活性炭的再生方法,确定了最佳提取条件。
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