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, and the stirring time should be controlled within 1 h. The ammonium chloride concentration should be controlled within m(NH4Cl)?m(glycerin)=0.15. Key words: refined indium; chemical purifying process; glycerin; potassium iodide; ammonium chloride 半导体及薄膜太阳电池等材料对金属铟的纯度 要求很高......
J. Cent. South Univ. Technol. (2008) 15: 808-813 DOI: 10.1007/s11771-008-0149-x Thermal decomposition behaviour of polyacrylamidomethyltrimethyl ammonium chloride in red mud separation process HU... for selecting highly efficient red mud flocculants, the behaviour of polyacryl- amidomethyltrimethyl ammonium chloride (PATAC) in red mud separation process was investigated. PATAC was employed......
Dissolution kinetics of low grade complex copper ore in ammonia-ammonium chloride solution LIU Wei(刘 维), TANG Mo-tang(唐谟堂), TANG Chao-bo(唐朝波), HE Jing(何 静), YANG Sheng-hai(杨声海),YANG Jian-guang(杨建... complex copper ore was investigated in ammonia-ammonium chloride solution. The concentration of ammonia and ammonium chloride, the ore particle size, the solid-to-liquid ratio and the temperature......
at the same time. The recovery of antimony is above 98%. The lead in residue of slurry electrolysis process is transformed into carbonate from chloride with ammonium carbonate. The total recoveries of lead... Thermodynamic analysis of separating lead and antimony in chloride system CHEN Jin-zhong(陈进中)1, CAO Hua-zhen(曹华珍)2, LI Bo(李 波)2, YUAN Hai-jun(袁海军)2, ZHENG Guo-qu(郑国渠)2, YANG Tian-zu(杨天足)1 1......
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J. Cent. South Univ. Technol. (2008) 15: 378-381 DOI: 10.1007/s11771-008-0071-2 Flotation of kaolinite and diaspore with hexadecyl dimethyl benzyl ammonium chloride HU Yue-hua(胡岳华), OUYANG Kui.... And then the synthesized tertiary amine was used to react with benzyl chloride to synthesize hexadecyl dimethyl benzyl ammonium chloride (1627) at ambient pressure. Using the synthesized 1627......
J. Cent. South Univ. Technol. (2011) 18: 1418-1424 DOI: 10.1007/s11771-011-0856-6 Effect of chloride ion on bacterial pre-oxidation of arsenic-containing gold concentrate YANG Wei(杨玮)1, QIN Wen... Abstract: The bacterial pre-oxidation process of arsenic-containing gold concentrates and the bacterial activity under different chloride ion concentrations were studied by using a mixture......
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that with deoxygenizing, the reduction effects are relatively good. Key words: gold; gold extraction; NH4Cl-NH3-H2O; hydrometallurgy; thermodynamics; ammonium chloride ammonium chloride as extracting system is a new developing field with many merits. Above all, NH3 and Cl- ions existing in the system have......