从废电废液中获得含镍颜料

Volha S. Zalyhina, V. Cheprasova
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引用次数: 0

摘要

电解废液的特点是重金属离子含量高,大大超过天然矿石中的含量。本文展示了将电镀镍硫酸盐废电解液加工获得颜料的可能性,这将稳定处理设施的运行,防止具有毒性、诱变和致癌作用的重金属离子进入环境,减少废水污泥的形成量,也获得了目前国外正在购买的有价值的商品产品。介绍了所得颜料样品的显色特性的研究结果,研究了镀镍废电解液中Fe (III)离子作为污染物对所得样品颜色特性和纯度的影响。建立了所得样品的颜色与废电解液中Fe (III)离子含量的关系,从而建立了硫酸盐废镀镍电解液中所得颜料的显色特征范围(绿色、黄色、棕色和黑色)。开展的研究结果将减少电生产对环境的影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
OBTAINING NICKEL-CONTAINING PIGMENTS FROM LIQUID WASTE GALVANIC PRODUCTION
Spent electrolytes from galvanic production are characterized by a high content of heavy metal ions, which significantly exceeds their content in natural ores. The paper shows the possibility of processing spent sulfate electrolytes from nickel plating of galvanic production to obtain pigments, which will stabilize the operation of treatment facilities, prevent the ingress of heavy metal ions into the environment, which have toxic, mutagenic and carcinogenic effects, reduce the volume of wastewater sludge formed, and also obtain a valuable commodity product that is currently being purchased abroad. The results of investigations of the coloristic characteristics of the obtained samples of pigments are presented, the effect of Fe (III) ions present in the spent electrolytes of nickel plating as a contaminant on the color characteristics and purity of the color of the obtained samples is investigated. The dependence of the color of the obtained samples on the content of Fe (III) ions in the spent electrolytes was established, which made it possible to establish the range of coloristic characteristics of pigments obtained from spent sulfate nickel-plating electrolytes (green, yellow, brown and black colors). The results of the research carried out will reduce the impact of galvanic production on the environment.
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