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): 1488-1496. LIU Zhi-xiong, YIN Zhou-lan, HU Hui-ping, CHEN Qi-yuan. Oxidative leaching of low-grade copper ore in ammonia-ammonium sulfate solution with ammonium persulfate[J]. The Chinese Journal... Mining and Metallurgy, 1993(1): 34-38. [5] ZHANG Ming-zhu, ZHU Guo-cai, ZHAO Yu-na, FENG Xiu-juan. A study of recovery of copper and cobalt from copper-cobalt oxide ores by ammonium salt roasting[J......
Morphological Characterization of γ-Al2O3 Membranes Fabricated from Ammonium Aluminum Sulphate张良苗,冯永利,陆文聪,陈念贻摘 要:Supported γ-Al2O3 membranes without defects were prepared by the sol-gel procedure. The sol-gel method involved peptization of a boehmite (AlOOH) sol prepared from ammonium aluminium sulphate. The morphology of the supported membranes......
Recovery of valuable metals from waste diamond cutters through ammonia–ammonium sulfate leachingPing Xue1,2,Guang-qiang Li1,Yong-xiang Yang1,3,Qin-wei Qin1,Ming-xing Wei21. Key Laboratory for Ferrous... with an ammonia–ammonium sulfate system and air as an oxidant. The effects of experimental parameters on the leaching process were investigated, and the potential–pH(E–pH) diagrams of Cu–NH3–SO42-–H2O and Zn–NH3......
Role of oxygen and ammonium ions in silver leaching with thiosulfate–ammonia–cupric ionsValentin Ibarra-Galvan1,Alejandro López-Valdivieso2,Xiong Tong3,Yi-Qi Cui31. Faculty of Chemistry, Colima... id="ChDivSummary" name="ChDivSummary">The dissolution of silver with thiosulfate and copper ions was studied in a batch-stirred reactor at 25 °C in the absence and presence of various ammonium ions......
J. Cent. South Univ. (2012) 19: 903-910 DOI: 10.1007/s11771-012-1091-5 Dissolution kinetics of malachite in ammonia/ammonium sulphate solution LIU Zhi-xiong(刘志雄)1, 2, YIN Zhou-lan(尹周澜)1, HU Hui-ping... 416000, China ? Central South University Press and Springer-Verlag Berlin Heidelberg 2012 Abstract: The dissolution kinetics of malachite was investigated in ammonia/ammonium sulphate solution......
Promising commercial reinforcement to the nanodiamond/epoxy composite by grafting ammonium ionsQi Wang1,2,Guodong Wen2,Lingzhi Liu2,Dangsheng Su21. School of Materials Science and Engineering... modified only using aqueous ammonia through an easy-to-operate method by replacing the hydrogen atoms in the carboxyl group with ammonium ions.Ammonia, which is the only pollutant in the process, could......
Trans. Nonferrous Met. Soc. China 23(2013) 2160-2165 Solubility of hemimorphite in ammonium sulfate solution at 25 °C Qin-xiang LI, Hui-ping HU, De-wen ZENG, Qi-yuan CHEN School of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China Received 7 September 2012; accepted 20 November 2012 Abstract: The solubility of natural hemimorphite in ammonium sulfate solution......
Tuning thermal decomposition of ammonium perchlorate by nanoporous Gd2O3 for improved safety and enhanced propellant efficiencyXuezhen Zhou1,Chunyan Hu2,Xiaojun Liu1,Weifan Chen1,Qun Tang1,Yongxiu...) with different specific surface areas were prepared by a nonaqueous sol-gel method and utilized to tune the exothermal decomposition of ammonium perchlorate(AP) for enhanced propellant efficiency......
Tuning thermal decomposition of ammonium perchlorate by nanoporous Gd2O3 for improved safety and enhanced propellant efficiencyXuezhen Zhou1,Chunyan Hu2,Xiaojun Liu1,Weifan Chen1,Qun Tang1,Yongxiu...) with different specific surface areas were prepared by a nonaqueous sol-gel method and utilized to tune the exothermal decomposition of ammonium perchlorate(AP) for enhanced propellant efficiency......
Channel effect of the modified powdery mixture of ammonium nitrate and fuel oilChun-ping Wu1,2), Lian-sheng Liu3), Xu-guang Wang2), Yong Liu4), and Yin-jun Wang2) 1) School of Civil and Environmental..." name="ChDivSummary">The modified powdery mixture of ammonium nitrate and fuel oil (MPANFO) is a new breed of industrial explosives developed years ago in China. As one of the important properties......