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, 40(6): 42-45. [7] YU Guo-lin, ZHANG Ying, ZHENG Shi-li, ZOU Xing, WANG Xiao-hui, ZHANG Yi. Extraction of arsenic from arsenic-containing cobalt and nickel slag and preparation of arsenic-bearing...[D]. 长沙: 中南大学, 2012. LI Yu-hu. Arsenic removal and solidification of arsenic bearing dusts of nonferrous metallurgy[D]. Changsha: Central South University, 2012. [16] PALFY P, VIRCIKOVA E, MOLNAR L......
Article ID: 1003-6326(2005)02-0314-05 Preparation and properties of Cu matrix composite reinforced by carbon nanotubes CHEN Xiao-hua(陈小华)1, 2, LI Wen-hua(李文华)2, CHEN Chuan-sheng(陈传盛)2, XU Long... Science and Engineering, Hunan University, Changsha 410082, China) Abstract: Cu matrix composites reinforced by carbon nanotubes(CNTs) were prepared. The effect of carbon nanotubes on mechanical......
polymer is one of the most primary sources of carbon precursors for new carbon materials, such as carbon/carbon (C/C) composites and glasslike carbon materials. Currently, the main organic polymers widely...J. Cent. South Univ. Technol. (2008) 15: 753-756 DOI: 10.1007/s11771-008-0139-z Pyrolysis of furfural-acetone resin as matrix precursor for new carbon materials XIA Lun-gang(夏伦刚), ZHANG Hong-bo(张......
with arsenic, cadmium and lead GUO Zhao-hui(郭朝晖), MIAO Xu-feng(苗旭锋) School of Metallurgical Science and Engineering, Central South University, Changsha 410083, China ? Central South University Press... and construction of building materials [14-16]. Giant reed may also act as chemically activated carbon [17] or biofiltering systems to treat wastewater [17-18], thus recycling nutrients and water......
, the correspondence between bubble size and frother partitioning was examined. Bubble size was measured by sampling-for-imaging (SFI) technique. Using total organic carbon (TOC) analysis to measure the frother... and the bubble interface is the driving force contributing to bubble size reduction.Key words:flotation; frother; bubble size; frother partitioning; total organic carbon (TOC) analysis; concentration gradient......
.矿样XRD分析表明其主要成分为黄铁矿,其次为砷黄铁矿和石英,其化学成分分析结果见表1(由北京矿冶研究总院分析). 表1 含砷难处理金矿指定化学成分分析 Table 1 Specific element analysis of arsenic-bearing refractory gold ore (mass fraction, %) 主要实验试剂如下:浓硫酸,相对分子质量... of DO concentration with time in arsenic- bearing refractory gold ore biooxidation at different pulp densities 矿浆中φ值是由Fe3+和Fe2+的比值决定的,SAND等[18]认为黄铁矿的生物氧化过程主要由两个步骤组成,分别为细菌氧化Fe2+生成Fe3+(见式(1))和Fe3+氧化矿石的反应(见式......
; Preparation and properties of pitch carbon based supercapacitor LIU Ye...: Using the mesophase pitch as precursor, KOH and CO2 as activated agents, the activated carbon electrode material was fabricated by physical-chemical combined activated technique for supercapacitor......
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Chlorine doped graphitic carbon nitride nanorings as an efficient photoresponsive catalyst for water oxidation and organic decompositionEr-Xun Han1,Yuan-Yuan Li1,Qi-Hao Wang1,Wei-Qing Huang1,Leng... and electronic structure of catalysts to induce high activity for versatile applications remains a challenge. Herein, chlorine doped graphitic carbon nitride(Cl-doped g-C3N4) nanorings have been......
of heavy metals sulfide concentrates bearing arsenic introduces large amounts of arsenic into the off-gas and dust [1,2], which contain a particularly high concentration of arsenic and toxic heavy metals... stabilization processes include inorganic gelation material encapsulation, organic gelation material encapsulation, and melting stabilization [19]. Of various methods to treat arsenic waste, Portland......
