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The synthesis and electromagnetic properties of wave-like Ni Applied Mechanics and Materials Vols. 184-185 (2012) pp 1348-1351 The oxidation pretreatment of a sulfidic refractory gold ore with pyrolusite Advanced Materials Research Vols. 550-553 (2012) pp 2891-2894 若已检索，请给出检索号！谢谢！ |
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fruitmycorrhiza
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hsr129: 金币+4 2012-11-03 11:57:57
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Check record to add to Selected Records 1. The oxidation pretreatment of a sulfidic refractory gold ore with pyrolusite Hu, Surong1 ; Wang, Chao1; Wei, Qifeng2 Source: Advanced Materials Research, v 550-553, p 2891-2894, 2012, Advances in Chemical Engineering II; ISSN: 10226680; ISBN-13: 9783037854556; DOI: 10.4028/www.scientific.net/AMR.550-553.2891; Conference: 2nd International Conference on Chemical Engineering and Advanced Materials, CEAM 2012, July 13, 2012 - July 15, 2012; Publisher: Trans Tech Publications Author affiliations: 1 Institute of Mechanical Manufacturing Technology, China Academy of Engineering Physics, Mianyang, 621900, China 2 School of Chemical Engineering and Techonology, Harbin Institute of Technology, Harbin 150001, China Abstract: An attempt has been made to study the pretreatment of sulfidic refractory gold ore with pyrolusite. The influences of various parameters were studied to optimize the conditions. The optimum leaching conditions were pyrolusite/gold ore mass ratio of 3.0, H2SO4 concentration of 3.0 M, temperature of 100°C, particle size of 45μm, stirring speed of 200 rpm. After the pretreatment, gold and silver were exposed, these made the extraction of the precious metal in the gold ore much easier. © (2012) Trans Tech Publications, Switzerland.(9 refs) Main heading: Gold Controlled terms: Chemical engineering - Gold ore treatment - Leaching - Ores Uncontrolled terms: Gold and silver - Gold ores - Mass ratio - Optimum leaching conditions - Oxidation pre-treatment - Pre-Treatment - Pyrolusite - Refractory gold ore - Stirring speed Classification Code: 502 Mines and Quarry Equipment and Operations - 504 Mines and Mining, Metal - 505 Mines and Mining, Nonmetallic - 533.1 Ore Treatment - 547.1 Precious Metals - 805.1 Chemical Engineering Database: Compendex 第二篇已经被检索。 |
3楼2012-11-03 09:29:51
王小奇
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2楼2012-11-02 23:29:46
fruitmycorrhiza
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4楼2012-11-03 09:31:06
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