When selecting and adding the proper trapping agent, the melting atmosphere is controlled to achieve high trapping efficiency. The base metals iron, copper, lead and…
Technical Protocol for Deactivated Catalyst Treatment I. Comprehensive Process Flow Stage 1: Catalyst Diagnosis & Preprocessing Representative Sampling Extract 0.5-2 kg catalyst samples from reactor…
Platinum, palladium and rhodium are precious metals that are usually found in the form of ores, and to extract these metals from the ores requires…
In some domestic smelters by cyanide gold sludge obtained from the crude gold, gold content of up to 15-37%, assemble not more than 50%; mercury…
1、Prepare electrolyte: use the gold dissolving equipment in the process of aqua regia method to prepare gold electrolyte, take 99.99% gold powder, add aqua regia,…
In China, there are many enterprises such as Huludao Zinc Factory, Yongxing Guiyuan, Hengbang Smelting, Zhaogin Refining, Chifeng Shanjin Silver Lead, Zhejiang Hongda, Yunxi Copper,…
The project implementation plan can be divided into two categories: One is the construction of a small smelter according to the proposed process flow specifically…
There are many types of plasma melting furnaces, such as open furnace and closed vacuum furnace. The latter has some characteristics of arc melting and…
The sub-gold solution can be purified by sodium sulfite reduction, can choose a direct reduction or two step-by-step reduction:. 1, a direct reduction: in the…
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