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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Применить Всего найдено 2. Отображено 2.
14-07-2023 дата публикации

Electrodeposition process for recovering copper in complex solution

Номер: CN116426977A
Автор: ZHANG XUYONG, PENG QINGLIANG, ZHENG MEIYONG, HU YIWEN, LIU RU, FU QIANMIN, LAI DAN
Принадлежит:

The invention discloses an electrodeposition process for recovering copper in a complex solution. The process comprises the following steps: firstly, adjusting the copper acid concentration of the complex copper-containing solution, adding the complex copper-containing solution into an electrodeposition system, starting circulation, and pumping an electrodeposition solution in a circulating tank into a head tank through a constant flow pump to form circular flow of the electrodeposition solution; installing a cathode and an anode, heating to a preset temperature, and adjusting the current to a set value; and a mixed additive is added, the electrodeposition process is started, a composite additive and a complex copper-containing solution are continuously supplemented in the electrodeposition process and enter a head tank, meanwhile, part of electrodeposited liquid is discharged from a circulating tank, copper acid balance and volume balance of the system are maintained, and electrodeposited ...

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Номер записи: 1
29-08-2023 дата публикации

Method for jointly recovering lead copper matte and indium in circularly collected soot

Номер: CN116656971A
Автор: PENG QINGLIANG, HU YIWEN, LI YANGREN, OUYANG HUI, ZHANG ENMING, LI GUOPING, LI JIAN, ZHU YUAN, ZHENG MEIYONG, LIU WENQIANG, WU MINGHUA, ZHANG XUYONG, LIU YONGKANG, TANG HUAQUAN
Принадлежит:

The invention provides a method for jointly recovering lead copper matte and indium in recycled soot, which comprises the following steps: in the leaching stage of the lead copper matte, adding additives A and B while controlling leaching conditions, separating copper and indium in the lead copper matte, enabling the copper to enter a solution for recovering the copper, enabling the indium to enter leaching residues, and realizing preliminary enrichment; the method comprises the following steps: firstly, leaching slag and circularly collected soot are treated in a matched manner, the ratio and the leaching process are controlled, the high indium leaching rate is achieved under the low liquid-solid ratio condition, the concentration of indium in leachate is high, and the follow-up extraction and recovery process is facilitated. According to the method provided by the invention, the indium in the lead copper matte with low indium grade and the indium in the annularly collected soot with high ...

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Номер записи: 2