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inclusions in sphalerite 表1 阿斯马拉成矿带Emba Derho和Debarwa矿床的矿石硫化物硫同位素组成 Table 1 Sulfur isotopic compositions of ore sulfides from Emba Derho and Debarwa Cu-Zn deposits Emba Derho矿床中,就同一样品中共生的黄铁...15.507；208Pb/204Pb 范围36.952~37.655,平均值为37.253.以上铅同位素比值比较稳定,变化范围较小,基本显示正常铅的特征. 图6 典型矿床的硫同位素组成(Py-黄铁矿；Cp-黄铜矿；Sp-闪锌矿；Cc-辉铜矿) Fig. 6 Diagrams of sulfur isotope composition in typical Cu-Zn......
含硫体系中SO32-对S2O32-浓度的影响党晓娥1,兰新哲1,张秋利1(1.陕西省西安市西安建筑科技大学贵金属工程研究所)摘 要:分析不同条件下模拟含硫体系反应过程中S2O32-与SO32-的浓度变化.结果表明,在未通空气时,SO32-的加入阻碍了S2O32-与Cu(NH3)42-发生氧化还原反应,通空气中时,SO32-加入有利于体系中S2O32-的浓度保持稳定.不加入SO32-时,S2O32-的氧化速度加剧,且有单质S0生成,降低主成分S2O32-的浸金效应.因此在碱性含硫浸金体系中,SO32-具有保持主成......
河北某矿石多金属综合回收浮选试验研究代淑娟1,胡志刚2,孟宇群3,白丽梅1(1.河北省唐山市河北理工大学资源与环境学院2.辽宁科技大学,辽宁鞍山 1140513.中国科学院 金属研究所,沈阳 110016)摘 要:矿石中主要金属矿物有方铅矿,闪锌矿和黄铁矿.脉石矿物主要是石英,碳酸盐,绢云母和少量的磷灰石.矿石中可回收的元素为铅,锌,金和银.采用优先选铅,锌硫混选,锌硫分离流程及适宜的药剂条件,在原矿品位铅1.92%,锌1.44%,金23.4g/t,银47.25g/t条件下,获得铅精矿品位61.50%,铅回收率......
bottom blowing bath smelting with gradual change of oxygen and sulfur potential of different positions in furance GUO Xue-yi, WANG Qin-meng, TIAN Qing-hua, ZHANG Yong-zhu (School of Metallurgy and Environment, Central South University, Changsha 410083, China) Abstract: The multiphase equilibrium state and oxygen-sulfur potential distribution rule of oxygen-enriched bottom blowing smelting (BBS......
号:TD921 文献标志码:A Pretreatment of refractory gold-bearing sulfur concentrates by microwave roasting CHEN Wei1, 2, DING De-xin1, 2, HU Nan2, LI Feng1, 2 (1. School of Nuclear... China, Hengyang 421001, China) Abstract: After roasting refractory gold-bearing sulfur concentrates by microwave, the influences of microwave power, the ore mass and roasting time on sample mass loss......
-lian, LIAN Yong-la, LI Yan-hua. Review on sulfur isotopic tracing and hydrothermal metallogenesis[J]. Geology and Resources, 2009, 18(3): 197-203. [23] 薛 静, 戴塔根, 付松武, 马国秋, 黄伟盟. 广西玄武盘龙铅锌矿喷流沉寂成矿作用... and sulfur isotope geochemistry of Ecuadorian Beroen gold-silver deposit XI Zhen1, 2, GAO Guang-ming1, 2, MA De-cheng3, LUO Han1, 2 (1. School of Geosciences and Info-Physics, Central South University......
Metals Industry Standard of China (YS-T 99-1997). Key words: As-containing wastewater; copper arsenite; precipitation; sulfur dioxide; reduction; arsenic trioxide ......
is formed when the mole ratio of cerium to titanium n(Ce):n(Ti) is 5:5 or greater, and the most suitable n(Ce):n(Ti) is determined as 7:3, over which the conversion rate of SO2 and the yield of sulfur... maintains a stable structure without being vulcanized, demonstrating its good anti-sulfur poisoning performance. Key words: CeO2-TiO2 mixed oxides; solid solution; catalytic reduction; carbon monoxide......
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×10-3-7.00×10-3) and are similar to that of magmatic sulfur, which suggests that the deposit’s sulfur may be sourced from the intermediate-acid intrusive rocks. Meanwhile, the Pb isotopic composition... an important role in providing them. Key words: Dehelongwa; sulfur isotope; lead isotope; copper(gold) deposit; fluid inclusion 现代矿床学研究表明,多数矿床都具有成矿物质多来源的特征,重视成矿物质的来源是矿床地球化学的研究趋势,对于了解矿床成因具有重要的意义.目前,判别成矿物质来源......
