Extraction of low-grade gold-containing liquid
The process of electrolytic extraction of low-grade precious liquid containing gold is as follows:
First, prepare an electrolytic cell and install a stainless steel anode and a metal cathode. Inject low-grade precious liquid containing gold (such as chloroauric acid solution,
chemical formula HAuCl₄) into the cell. After the current is passed, gold ions (Au³⁺) are deposited on the cathode to form metallic gold (Au).
The reaction can be expressed as: Au³⁺+3e−→Au. The gold deposits on the cathode are cleaned regularly, washed and dried, and finally smelted into gold nuggets.
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