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How to extract gold from old mobile phones
Old mobile phones contain a large amount of metal elements such as gold, silver, and…
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Separation and recovery of precious metals from solid waste and hazardous waste
For different raw materials containing precious metals, there are different refining methods for separation and…
Platinum group metal waste recycling method
Catalysts are the main application field of PGMs, so waste catalysts have become the most…
Separation and refining methods of palladium
Separation and refining methods of palladium: The main purpose of separation and refining is to…
Hydrometallurgical and pyrometallurgical technologies for waste circuit boards
Driven by domestic and foreign researchers, the comprehensive treatment technology of electronic waste has made…
Wet recovery technology of platinum group metals
Wet recycling of PGMs refers to the use of chemical reagents to dissolve waste containing…
Wet process for recovering platinum group metals from waste catalysts
The recovery technology of waste catalysts containing platinum group metals can be divided into two…