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in a reduction in copper extraction. This might probably account for the high difference in copper recoveries at the varied pH values. Since a pH higher than 1.6 considerably promotes ferric iron......
, NUSSBAUM G. Extraction, Refining and Fabrication of Light Metals [M]. Ontario: Pergamon Press, 1991.19-31. [35] BELDJOUDI T, FIAUD C, ROBBIOLA L. Influence of homogenization and artificial aging heat......
is parallel to the C axis, the α crystals tend to form columnar grains along the direction (C axis) of heat extraction. During cooling subsequent to solidification, γ lamellae grows in each of columnar......
Manganese Industry, 2008, 26(4): 24-26. [34] 唐华应, 杨君臣, 郑华峰. 从锰除尘灰中湿法回收锰[J]. 湿法冶金, 2003(1): 39-40. TANG Hua-ying, YANG Jun-chen, ZHENG Hua-feng. Extraction of manganese from electric furnace dust by wet......
and cysteine [J]. Transactions of Nonferrous Metals Society of China, 2006, 16: 943-946. [16] ROJAS-CHAPANA J A, TRIBUTSCH H. Biochemistry of sulfur extraction in bio-corrosion of pyrite by Thiobacillus......
, 2006, 157(2): 49-56. [26] RUSIN P. 用生物还原法提高难处理氧化矿中银和其他金属的浸出率[J]. 湿法冶金,1995, 53(1): 78-82. RUSIN P. Improving the extraction percentage of silver and other metals in refractory oxide ore......
-yan, YIN Fei, YANG Yong-qiang, LI Dun-fang. Process of vanadium extraction from stone coal vanadium ore by activated sulfuric acid leaching at atmospheric pressure[J]. The Chinese Journal......
important environmental issue. Many methods have been proposed for the removal of heavy metals including copper ions, such as chemical precipitation, adsorption, solvent extraction, evaporation......
. References [1] MARSDEN J O, Chemistry of gold extraction [M]. 2nd eds. Littleton, Colorado: Society for Mining, Metallurgy, and Exploration (SME), 2006: 651. [2] LI Qian, JIANG Tao, YANG Yong-bin......
properties and/or reduction properties [30-34]. In earlier studies, poly (1,8-diaminonaphthalene) and poly(4-sulphonic diphenylamine) were employed as novel sorbents for effective extraction of silver......