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Application of vacuum distillation in refining crude indiumWen-Long Jiang1,2,3,Yong Deng1,2,3,Bin Yang1,2,3,Da-Chun Liu1,2,3,Yong-Nian Dai1,2,3,Bao-Qiang Xu1,2,31. The National Engineering Laboratory... elements in crude indium was calculated by the Clausius–Clay Prang equation,which could approximately predict the temperature and pressure during vacuum distillation process.Second,the activity......
Behavior of silver and lead in selective chlorination leaching process of gold-antimony alloy LIU Wei-feng(刘伟锋), YANG Tian-zu(杨天足), XIA Xing(夏 星) School of Metallurgical Science...; Abstract: The behavior of silver and lead in the selective chlorination leaching process of gold-antimony......
Researches on Mischmetal Preventing Lead Segregation in High Lead Bronze李道韫,徐连棠,战松江,付念新摘 要:<正> The effect of mischmetal addition on lead segregation in high lead bronze(grade ZQPb25-5)is studied inthis paper.The testing results confirm that 0.5 to 1.0% misehmetal addition can effectively prevent lead fromgravity and inverse segregation.The results......
Behavior, distribution and environmental influence of arsenic in a typical lead smelterCHAI Li-yuan(柴立元)1, 2, SHI Mei-qing(史美清)1, LIANG Yan-jie(梁彦杰)1, TANG Jing-wen(汤景文)1, LI Qing-zhu(李青竹)1, 2(1... University), Changsha 410083, China)Abstract:A field study was conducted to determine the behavior and distribution of arsenic during the pyrometallurgy process in a typical SKS (Shuikoushan) lead......
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Assessment of heavy metal pollution in sediments from Xiangjiang River (China) using sequential extraction and lead isotope analysisJIANG Bo-feng(蒋博峰)1, 2, SUN Wei-ling(孙卫玲)1, 2(1. Key Laboratory... of anthropogenic Pb in these four fractions.Key words:sediment; heavy metals; sequential extraction; lead isotope......
; 文章编号:1672-7207(2013)09-3948-07 Calculation of sulfur dioxide emission factors of lead and zinc smelting industry in Yunnan Province XIANG Ying1, YI Honghong1.... Environmental Engineering Assessment Center of Yunnan Province, Kunming, 650034, China) Abstract: Considering the characteristics of lead and zinc smelting industry and SO2 emission of Yunnan Province......
Preparation of pure SbCl3 from lead anode slime bearing high antimony and low silver CAO Hua-zhen(曹华珍) 1, CHEN Jin-zhong (陈进中)2, YUAN Hai-jun(袁海军)1, ZHENG Guo-qu(郑国渠)1 1. College of Chemical... December 2009; accepted 23 April 2010 Abstract: A novel treatment process of lead anode slime bearing high antimony and low silver was developed by a potential-controlled chloridization leaching......
gross sample of SIR at the ratio of solvent to resin of 3.0 was impregnated with a mass ratio of 1.88. Cerium(IV) oxide concentrate, prepared from crude Egyptian monazite sand, containing 37% cerium... concentration was increased to 91.43 g/L under the same conditions. Key words: cerium (IV); crude monazite sand; tributyl phosphate; impregnated resin; extraction; nitric acid medium 1 Introduction Abundance......
