Preparation of sponge silver formaldehyde catalyst In the traditional industry.The preparation of formaldehyde catalyst is very cumbersome because sponge silver is not easy to prepare. The electrolysis method can be…
Process of smelting waste catalyst into palladium 1. Raw material pretreatment (Dissolution and conversion: Waste catalyst needs to be smelted or acid-leached to convert into chloropalladic acid (H₂PdCl₄) solution.…
Extraction of precious metals from copper anode mud The chemical process of extracting precious metals from copper anode mud first converts the precious metals in the copper anode mud into water-soluble sulfates through sulfuric…
Jinquan - E-waste gold withdrawal The current process of gold extraction from electronic waste is to enrich the precious metals in electronic waste into copper alloys through pyrometallurgical enrichment, and then recover precious…
Jinquan-Automated PGM Refining Plant Case Study Building an automated PGM refining plant requires extensive experience in precious metal smelting and the integration of professional automation design teams. Over years of project experience, Jinquan has studied several technical…
Silver Electrolysis Factory Case The Thai silver electrolysis factory is a modern smelter mainly using electrolysis. It uses silver nitrate solution and potential difference to increase the purity of silver to 99999%. 1. High purity guarantee of…
Aqua regia separation process of gold and silver alloy Aqua regia is a strong acid solution formed by slowly mixing concentrated hydrochloric acid and concentrated nitric acid in a volume ratio of 3:1. This solution can effectively dissolve the gold…
925 Silver Electrolytic Purification Solution Silver is a metal with excellent beauty and conductivity, and is widely used in jewelry, electronics and industry. However, the requirements for its purity are different. The purity of traditionally traded silver is 99.99%, and…
Precious Metal Separation and Comprehensive Refining Project China Hengbang Group recycles and processes a lot of precious metal raw materials. After many discussions with Zhengzhou Jinquan, it chose Zhengzhou Jinquan for project cooperation. The precious metal separation and comprehensive smelting…
Thailand's silver refining plant put into operation Zhengzhou Jinquan Mining and Metallurgical Equipment Co., Ltd. will undertake the design and installation project of a 500kg/day silver refinery in Thailand in 2024, and will be delivered in December 2024. It took…
China Qinghai - Gold electrolysis purification project put into production In 2024, after three engineers from Zhengzhou Jinquan Mining Equipment Co., Ltd. stepped up installation and commissioning, they completed the 50kg per…
Recycling precious metals (platinum-iridium) from spark plugs Precious metal components in spark plugs Iridium Iridium is usually found at the tip of the center electrode of a spark plug, in the form of a coating or micro-electrode. Its content is…
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