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利用萃取剂ACORGA P-5100和ACORGA M-5615(以ESCAIDI02为稀释剂)通过溶剂萃取已成功地将高含铜(20g/l)溶液中的铜降至100mg/l以下。铜存在于硫酸锌系统中是以RLE(焙烧—浸出—电积)流程处理有色金属混合精矿的结果。在萃取系统中,采用一个单独的中和工序,以中和除铜过程中产生的酸,从而控制酸度,而不是像传统作业那样,将中和剂直接加到混合槽,预料通过三段除铜,可以有效地将铜除尽。本文所述是试验室试验和中间试验的结果和讨论。
Copper in high copper (20 g / l) solutions has been successfully reduced to below 100 mg / l by solvent extraction using extractants ACORGA P-5100 and ACORGA M-5615 (with ESCAIDI02 as a diluent). The presence of copper in the zinc sulfate system is the result of treating non-ferrous mixed concentrates by the RLE (roasting-leaching-electrowinning) process. In the extraction system, a separate neutralization step is used to neutralize the acid generated in the copper removal process, thereby controlling the acidity rather than directly adding the neutralizer to the mixing tank as in the conventional operation, Copper, copper can be effectively removed. This article describes the results and discussion of laboratory tests and intermediate tests.