1. Washing method Water washing method is a commonly used rhodium recovery and refining technology, and its main process includes steps such as sand washing,…

  Palladium carbon recovery purification with palladium chemical refining method mainly has sulfuric acid leaching method, nitric acid palladium fractionation method, king water palladium method,…

There are various methods of nitride treatment, and the choice of which method depends on the type, concentration, source and other factors of the nitride…

The main methods of platinum refining include the following: Platinum refining method: Platinum is separated from the ore by heating and cooling the platinum ore,…

Anode sludge refining is a residue containing aluminum, carbon, fluorine and other impurities separated from the electrolytic aluminum solution, and is generally refined by two…

Scrap catalysts often contain precious metal catalysts such as platinum, palladium and rhodium, and therefore these precious metals can be recovered through refining methods. The…

There are several methods of copper electrolysis as follows: Sulfuric acid electrolysis: Using sulfuric acid as the electrolyte, copper ions are oxidized on the copper…

Copper electrolysis is the process of electrochemically reducing copper ions to pure copper metal. Common copper electrolysis methods include the following: Electrolytic copper powder method:…

Fire refining: Using the low melting point and easy oxidation of silver, silver-containing ores or other silver-containing materials are heated to high temperatures to separate…