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首页> 外文期刊>Russian Journal of Non-Ferrous Metals >Alkali-Acidic Method of Processing of Aluminum Chip with Obtaining Aluminum Hydroxychloride
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Alkali-Acidic Method of Processing of Aluminum Chip with Obtaining Aluminum Hydroxychloride

机译:碱金属酸碱法处理铝片的方法

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摘要

The technology of obtaining a coagulant--aluminum hydroxychloride--from aluminum chip by the alkali-acidic method is investigated. In this method, the largest part of impurities present in the starting raw material is separated during the filtration of the aluminate solution. The reagent for the removal of oils, petroleum derivatives, and lubricoolant from the surface of aluminum chip is selected. A new principal process flow chart for obtaining the coagulant by the alkali-acidic method is suggested. The flow chart allows one to obtain a coagulant with a minimal content of impurities with the simultaneous liberation of chlorine for water disinfection and sodium hydroxide for the alkali dissolution of aluminum chip.
机译:研究了用碱酸法从铝片中获得凝结剂羟基氯化铝的技术。在该方法中,在铝酸盐溶液的过滤过程中,存在于原料中的杂质的最大部分被分离。选择用于从铝屑表面去除油,石油衍生物和润滑剂的试剂。提出了一种新的通过碱-酸法获得混凝剂的主要工艺流程图。该流程图允许人们获得一种杂质含量最少的凝结剂,同时释放出用于水消毒的氯气和用于溶解铝片的碱的氢氧化钠。

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