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The electronic waste that can extract gold mainly includes gold containing waste liquid, gold containing solid waste, gold plating waste, etc. Fuxin environmental protection gold refining aqua regia purification method needs to disassemble electronic products, remove impurities in the crude gold, and use aqua regia for impure gold (90% gold purity).
Dissolve to generate chloroauric acid, use sodium bisulfite as reducing agent, reduce chloroauric acid to gold powder precipitation, then conduct purification, washing, drying, finally add flux to smelt at high temperature to obtain golden yellow color, reaching the pure gold process.
This is the end of the introduction of gold refining equipment in this article. I hope it will be helpful to you.
