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Application of experimental design in optimization of crude oil adsorption from saline waste water using raw bagasseM. Behnood1, B. Nasernejad1, 2, M. Nikazar1(1. Department of Chemical Engineering... Polytechnic), No. 424, Hafez Ave., Tehran, Iran)Abstract:Experimental design was applied in the optimization of crude oil adsorption from saline waste water using raw bagasse. The application of response......
J. Cent. South Univ. Technol. (2008) 15(s1): 406-410 DOI: 10.1007/s11771-008-389-9 Relationship between waxy crude viscosities and wax crystal microstructure GAO Peng(高 鹏)1, 2, ZHANG Jin-jun(张劲... of the microstructural mechanism of crude oil rheology and even for the waxy crude oil pipelining. However, due to the high complexity and irregularity of wax crystal morphology, quantitative characterization is hard......
free energy minimization, a thermodynamic model of the lead flash smelting equilibrium system, including crude lead, matte, slag and gas four phases, was built using element potential method... content of Pb in crude lead is 0.30, and its relative error is 0.30%; the absolute errors of the mass fraction of Pb, CaO and SiO2 in slag are 2.00, 0.50 and 0.70 respectively, and the relative errors......
bottom blowing furnace to produce crude lead and then electrolyzed to produce cathode lead [14]. Pyrometallurgical processes are quick and allow for a large throughput. However, they consume...Trans. Nonferrous Met. Soc. China 28(2018) 2360-2367 A clean process of lead recovery from spent lead paste based on hydrothermal reduction Wei-feng LIU1,2, Xun-bo DENG1, Du-chao ZHANG1, Tian-zu......
J. Cent. South Univ. Technol. (2008) 15(s1): 322-325 DOI: 10.1007/s11771-008-372-5 Variation of yield stress of Daqing crude oil with pipelining history LI Li(李 立)1, HOU Lei(侯 磊)2, SUN Li-xin(孙... University of Petroleum (Beijing), Beijing 102249, China) Abstract: The yield stress of waxy crude oil is a fundamental parameter in the calculation of pipelining technique and analysis of flow......
Sulfidation roasting of lead and zinc carbonate with sulphur by temperature gradient methodZHENG Yong-xing(郑永兴), LIU Wei(刘维), QIN Wen-qing(覃文庆), JIAO Fen(焦芬), HAN Jun-wei(韩俊伟), YANG Kang(杨康), LUO Hong-lin(罗虹霖) (School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China)Abstract:In order to enhance the lead and zinc recovery from the refractory Pb-Zn oxide......
PRECIPITATION BEHAVIOR IN A Cu-Sn-Ni-Zn-P LEAD FRAME MATERIAL M.Nemoto1,C.K.Yan2,W.H.Tian3 (1.Sasebo National College of Technology, Okishin 1-1, Sasebo 857-1193, Japan;2.Institute of Metal... electron microscopy (TEM) observations were carried out for examining the precipitation behavior in a Cu-Sn-Ni-Zn-P lead frame material. TEM observations revealed that the precipitate is hexagonal......
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......
