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Activated aluminum powder has been used to extract lithium from Mg-Li mixed solution via a hydrolysis–adsorption reaction. First, activated aluminum powder was prepared under the optimal conditions of NaCl addition of 70%, ball-milling time of 3 h, and ball-to-powder mass ratio of 20:1. Then, the activated aluminum powder was added into the Mg-Li mixed solution to extract lithium. X-ray diffraction...
Copper anode slimes, produced from copper electrolytic refining, are important industrial by-products containing several valuable metals, particularly silver and gold. This article provides a comprehensive overview of the development of the extraction processes for recovering silver and gold from conventional copper anode slimes. Existing processes, namely pyrometallurgical processes, hydrometallurgical...
The Gibbs free energy was calculated between phosphorus and the main elements in Al-Si-Cu alloys sampled as A390 to study the reaction process and give theoretical directions for the adding of phosphorus in industry. The results show that the elements such as aluminum, silicon, and copper have the capabilities to react with phosphorus according to the preference of Al, Cu, Si. As temperature increases,...
Abstact White alloy, mainly containing Cu, Co, and Fe, has been successfully decomposed in HCl solution by adding H2O2. This process is discussed in this paper. Through exploratory experiments, hydrochloric acid and H2O2 solution were confirmed as the leaching system of white alloy and through a series of condition experiments the effect of HCl concentration, H2O2 addition amount, reaction temperature,...
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