Project(2007CB613601)supported by the National Basic Research Program of China;Project(10C1095)supported by the Foundation of Hunan Educational Committee,China
The leaching kinetics of copper from low-grade copper ore was investigated in ammonia-ammonium sulfate solution with sodium persulfate. The effect parameters of stirring speed, temperature, particle size, concentratio...
Project (2007CB613601) supported by the National Basic Research Program of China;Project (CX2010B112) supported by Hunan Provincial Innovation Foundation for Postgraduate, China
The extraction behaviors of zinc from ammoniacal solutions were investigated using β-diketone (HA) and their mixtures with CYANEX923 or LIX84I. The effects of pH, total ammonia concentration, extractant concentrati...
Project (2007CB613601) supported by the National Basic Research Program of China;Project supported by the Postdoctoral Science Foundation of Central South University, China
A new combination method consisting of ball milling, carbothermic reduction and hydrochloric acid leaching was proposed for the preparation of nanosized synthetic rutile from natural ilmenite. The ball milling was emp...
Project(2007CB613601) supported by the National Basic Research Program of China;Project(10C1095) supported by the Foundation of Hunan Educational Committee,China
The dissolution kinetics of malachite was investigated in ammonia/ammonium sulphate solution. The effects of ammonia and ammonium sulphate concentration, pH, leaching time, reaction temperature, and particle size were...
Project(2007CB613601) supported by the National Basic Research Program of China;Project(51142001) supported the National Natural Science Foundation of China;Project(11B099) supported the Scientific Research Fund of the Human Provincial Education Department, China;Project(2011TT2038) supported the Scientific Research Fund of the Human Provincial Scientific and Technological Department, China
Zn reduction was investigated by the vacuum carbothermic reduction of hemimorphite with or without CaF2 as catalyst.Results indicate that CaF2 can catalyze the carbothermic reduction of zinc silicate,decrease the reac...