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J. Cent. South Univ. (2020) 27: 2249-2258 DOI: https://doi.org/10.1007/s11771-020-4446-3 Separation of silicon and iron in copper slag by carbothermic reduction-alkaline leaching process WANG Hong... of copper slag (CS) containing 35%-45% iron is generated for every ton of copper produced during the pyrometallurgical process from copper concentrate. Therefore, the recovery of iron from CS utilizes......
amount of CaO being 8%, the metallization rate and particle diameter of iron in the reduction products peak at 87.25% and 41.3 μm, respectively. Key words: nickel slag; calcium oxide; carbothermal...化学分析,其成分列于表1.由表1可知,原料中全铁含量为39.40%,FeO,SiO2含量分别达到49.68%和32.50%,镍渣中还伴有少量Ni,Cu等金属元素,具有回收利用价值.此外,原料中S含量较高,还原过程中S元素的变化亦需要关注. 表1 镍渣的化学成分 Table 1 Chemical composition of nickel slag (mass......
ARTICLE J. Cent. South Univ. (2019) 26: 304-311 DOI: https://doi.org/10.1007/s11771-019-4002-1 Equilibrium concentration of lithium ion in sodium aluminate solution HUANG Wen-qiang(黄文强), LIU Gui... variation of lithium ion in sodium aluminate solution with addition of synthetic lithium aluminate was investigated. Elevating temperature, increasing caustic soda concentration, reducing alumina......
Trans. Nonferrous Met. Soc. China 26(2016) 2770-2783 Sessile drop evaluation of high temperature copper/spinel and slag/spinel interactions E. de WILDE1, I. BELLEMANS1, M. CAMPFORTS2, M. GUO3, B... Abstract: Metal droplets sticking to spinel solids, present in metallurgical slag systems, play an important role in hindering the sedimentation of copper in slags. To understand this phenomenon......
%. Apparent layer bands of silicon and calcium appear in the surface area through morphology detection of slag after leaching, and the case for 38-75 μm slag batch is more obvious than 75-150 μm slag and slag...Alkaline extraction characteristics of steelmaking slag batch in NH4Cl solution under environmental pressureZHANG Hui-ning(张慧宁)1, 2, XU An-jun(徐安军)1, 2, HE Dong-feng(贺东风)1, 2, CUI Jian(崔健)3(1. State......
Effects of Steel Slag Powder on Workability and Durability of Concrete郭晓潞1,2,施惠生1,21. Key Laboratory of Advanced Civil Engineering Materials (Tongji University), Ministry of Education, Tongji University摘 要:The workability and durability of a type of sustainable concrete made with steel slag powder were investigated. The hydrated products of cement paste......
as calcium phosphate. The Fe-bearing phases(i.e., wustite and dicalcium ferrite) showed comparatively lower concentrations of P compared with other phases in the slag. Attempts were made to lower... and Bedding Section,Tata Steel Ltd.摘 要:The Linz-Donawitz(LD) steelmaking process produces LD slag at a rate of about 125 kg/t. After metallic scrap recovery......
Combined effect of amino and carboxyl group in α-alanine on seeded precipitation of sodium aluminate solution L? Bao-lin(吕保林), CHEN Qi-yuan(陈启元), YIN Zhou-lan(尹周澜), HU Hui-ping(胡慧萍) School... precipitation mechanism of sodium aluminate solution. α-alanine has the inhibitory effect at the initial period of reaction, but the favorable effect in subsequent reaction. The combined effect of amino......
. CAO Peng. Research on vanadium slag roasted with calcium salt[J]. Iron Steel Vanadium Titanium, 2012, 13(1): 30-34. [15] 张菊花, 张 伟, 杨勇霞, 张 力. 钒渣钙化焙烧的影响因素及焙烧氧化动力学[J]. 东北大学学报, 2014, 35(6): 831-835. ZHANG Ju-hua, ZHANG Wei, YANG Yong-xia, ZHANG Li. Influencing factors of vanadium slag roasting with calcium and oxidation kinetics for roasting process[J]. Journal of Northeastern University, 2014, 35(6......
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