The process flow extracting Copper and Nickel sulfate from electroplating sludge is put forward. The economic barometer of technology procedure is investigated by test.

提出了含铜含镍电镀污泥综合利用的工艺流程，并用试验考察了各工序的技术经济指标。

youdao

New technological process to extract copper powder and nickel sulfate from electroplating sludge was reported in this paper, and the economic barometer of technology procedures was examined in test.

提出了利用铜镍电镀污泥生产金属铜和硫酸镍的工艺流程，并用试验考察了各工序的技术经济指标。

youdao

This paper introduces nanofiltration for nickel plating rinse water treatment in small-scale test, industrial practice and preliminary purification of nickel sulfate, respectively.

本文主要介绍了用纳滤膜处理电镀镍漂洗水的小试研究、工业实践及硫酸镍初步纯化研究。

youdao

The researchers used several methods to test the nickel content of 66 ear studs and earring backs imported into Finland from Germany, Sweden, Britain and the US - all of which were said to contain amounts of nickel well below the EU limits.

BBC: Earring