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; 文章编号:1672-7207(2011)09-2584-05 Removal of lead from Pb-Pt-Pd alloy by vacuum distillation YANG Chun-yu, QIU Ke-qiang, LIN De-qiang (School of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China) Abstract: Vacuum distillation for separation of Pb from Pb-Pt-Pd alloy was investigated. The effects of temperature, distillation time......
wood-derived vacuum pyrolysis oil [J]. Separation and Purification Technology, 2001, 24(1/2): 155-165. (Edited by YANG You-ping) ...J. Cent. South Univ. Technol. (2009) 16: 0385-0391 DOI: 10.1007/s11771-009-0065-8 Characteristics of activated carbon prepared from Chinese fir sawdust by zinc chloride activation under vacuum......
-hui, WEI Kui-xian, YANG Bin, LIU Da-chun, DAI Yong-nian. Vacuum distillation refining of metallurgical grade silicon(Ⅱ): Kinetics on removal phosphorus from metallurgical silicon[J]. Trans Nonferrous... Engineering Laboratory for Vacuum Metallurgy, Kunming 650093, China; 3, Kunming DiBoo Technology Co., Ltd, Kunming 650093, China Received 15 July 2007; accepted 10 September 2007 Abstract:A new......
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Numerical simulation during vacuum sublimation purification of metal Tm (I): model foundation and validation张小伟1,苗睿瑛1,陈德宏1,王志强1,李宗安1,颜世宏1,金小礼21. General Research Institute for Nonferrous Metals,Grirem Advanced Materials Co. Ltd.2. School of Materials Science and Engineering,Shanghai University摘 要:The thermo physical parameters of Tm vapor and the range......
Numerical simulation during vacuum sublimation purification of metal Tm (I): model foundation and validation张小伟1,苗睿瑛1,陈德宏1,王志强1,李宗安1,颜世宏1,金小礼21. General Research Institute for Nonferrous Metals,Grirem Advanced Materials Co. Ltd.2. School of Materials Science and Engineering,Shanghai University摘 要:The thermo physical parameters of Tm vapor and the range......
, China Received 25 September 2010; accepted 20 December 2010 Abstract: Mg-Gd-Y-Zr alloys were purified by filtering purification with and without vacuum. The type, morphology, size distribution... resistance of the alloys[6-7]. Several refining methods have been developed, including traditional flux refining and fluxless refining, such as inert gas, vacuum distillation refining and filtering......
清洁生产精镉的新工艺浦恩彬1,戴卫平2,王海北3(1.云南省曲靖市云南黄金矿业集团股份有限公司2.昆明理工大学,昆明 6500933.北京矿冶研究总院,北京 100044)摘 要:介绍从海绵镉到精镉的一种清洁生产新工艺,阐述该工艺的技术特点:一是用氮气作为保护气体,实现粗镉,精镉的无氧浇铸;二是使用真空蒸馏技术,环保,低碳;三是收尘采用先进技术,烟尘排放量小于5 mg/m3.关键词:精镉生产； 无氧浇铸； 真空精馏； 塑烧板技术......
Synthesis of ZnO doped ceria nanoparticles via azeotropic distillation processing SONG Xiao-lan(宋晓岚), QU Peng(曲 鹏), YANG Hua-ming(杨华明), QIU Guan-zhou(邱冠周) School of Resources Processing...) absorbance. Azeotropic distillation processing was performed to effectively eliminate the residual water inside the as-prepared precipitate. Doping of ZnO results in the formation of solid solution......
Effects of trace element and purification on properties of AZ80 magnesium alloy LI Ying-ju(李应举), LUO Tian-jiao(罗天骄), YANG Yuan-sheng(杨院生) Institute of Metal Research, Chinese Academy... shifts to less negative value. It is suggested that the control trace element by purification is an effective way to enhance the corrosion resistance of AZ80 magnesium alloy. Key words: magnesium......
