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Waste Waters Purification of Reactive Dyes with Cationized Fibres

机译：阳离子化纤维净化活性染料废水

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The work treats questions, connected with the study of the possibility for purification of waste waters of reactive dyes, through change of the adsorption properties of fibres of natural and synthetic polymers. The increased adsorption property of these fibres is achieved after modification with polyethylenimin with molecular mass 20 000-30 000. The conditions of cationization of the studied fibres are determined, as well as their efficiency as filters, retaining color ions. The analyses are carried out with water solutions of monochlortriazin dyes and with solutions of the same dyes, containing additives, which are present in the dyeing baths. The results show, that the modified textile fibres gain high adsorption capacity and can be used for purification of waste waters polluted with monochlortriazin dyes.
机译：通过改变天然和合成聚合物纤维的吸附性能，这项工作解决了有关研究活性染料废水净化可能性的问题。在用分子量为20 000-30 000的聚乙烯亚胺改性后，这些纤维的吸附性能得以提高。确定了研究纤维的阳离子化条件，以及它们作为滤色器的效率，保留了彩色离子。该分析是用一氯三嗪染料的水溶液和相同染料的溶液进行的，该溶液含有存在于染色浴中的添加剂。结果表明，改性纺织纤维具有较高的吸附能力，可用于净化一氯三嗪染料污染的废水。

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