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of refractory ores [J]. Mineral Metallurgy Processing, 1991, 8: 168-191. [7] SCHIPPERS A, HEDRICH S, VASTERS J, DROBE M, SAND W, WILLSCHER S. Biomining: Metal recovery from ores with microorganisms [M...Trans. Nonferrous Met. Soc. China 27(2017) 1143-1149 Microbial oxidation of refractory gold sulfide concentrate by a native consortium N. MARCHEVSKY1,2, M. M. BARROSO QUIROGA2, A. GIAVENO3, E......
Metal Dusting-Mechanisms and Preventions () 摘要:Metal dusting attacks iron, low and high alloy steels and nickel-or cobalt-base alloys by disintegrating bulk metals and alloys into metal particles... mechanism is still not well understood. Current methods of protection against metal dusting are either directed to the process conditions-temperature and gas composition-or to the development of a dense......
J. Cent. South Univ. (2016) 23: 1584-1590 DOI: 10.1007/s11771-016-3212-z Acid leaching decarbonization and following pressure oxidation of carbonic refractory gold ore ZHANG Du-chao(张杜超)1, 2, XIAO... refractory gold ore and the following pressure oxidation were studied. In the carbonate decomposition procedure, the effects of liquid-to-solid ratio and reaction time on decomposition ratio......
properties. Key words: reaction sintering; mullite-zirconia composites; flexural strength; refractory 1 Introduction Mullite-zirconia composites are the well- recognized refractory materials due...-corundum composites using fly ash and zircon [J]. Transactions of Nonferrous Metal Society of China, 2012, 20: 2331-2335. [5] MECIF A, SORO J, HARABI A, BONNET J P. Preparation of mullite- and zircon......
, 2004(12): 32-34. QIU Ting-sheng, XIONG Shu-hua, XIA Qing. Study on treating arsenic-bearing refractory gold ore by magnetic field-intensified cyanidation leaching[J]. Metal Mine, 2004(12): 32-34. [4] 孙...:A Roasting oxidation-thiosulfate leaching of gold from refractory gold-bearing sulfur concentrates LI Feng1, 2, DING De-xin1, 2, HU Nan1, PENG Zhi-cheng1, 2, CHEN Wei1, 2 (1. Key Discipline Laboratory......
Trans. Nonferrous Met. Soc. China 30(2020) 1964-1979 Differences of cyanide leaching between calcine and dust from refractory gold concentrates Pan CAO1, Shang-hua ZHANG1, Ya-jie ZHENG1, Han-bing HE1... Received 10 November 2019; accepted 21 May 2020 Abstract: Differences of cyanide leaching between the calcine and the dust from a refractory gold concentrate were investigated by comparative method. Results......
:A Enriching gold from refractory gold concentrate by reducing sulfur-retention smelting LUO Hong-lin, LIU Wei, QIN Wen-qing, LIU Rui-zeng, ZHENG Yong-xing, YANG Kang, HAN Jun-wei (School of Minerals... and electrolysis to separate lead and gold, was proposed for the treatment of refractory gold concentrates. The processes of reducing sulfur-retention smelting were investigated. The effects of smelting......
occur in the oxide scale of the TiNbTa0.5ZrAlMo0.5 alloy, resulting in a significant decrease in oxidation resistance. Key words: high entropy alloy; refractory metal; high temperature oxidation; oxide... T, CHEN H, KAUFFMANN A, HEILMAIER M. High temperature oxidation behavior of an equimolar refractory metal-based alloy 20Nb-20Mo- 20Cr-20Ti-20Al with and without Si addition [J]. Journal of Alloys......
Wan-quan, ZHANG Yong-kui, CHEN Ning, LIANG Ying, HUANG Ya-jie. Bio-oxidation pretreatment of high arsenic high sulfur refractory gold concentrate [J]. Metal Mine, 2007(2): 42-44. [18] 李育林, 伍赠玲, 吴在玖... high arsenic refractory gold concentrate by bacterial oxidation-cyanidation YANG Wei 1, QIN Wen-qing 1, LIU Rui-qiang 2, REN Yun-chao 3 (1. School of Resources Processing and Bioengineering......
