Research Progress in Bioleaching of Nickel Sulphide Ore

Metal Mine ›› 2015, Vol. 44 ›› Issue (08): 85-91.

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Research Progress in Bioleaching of Nickel Sulphide Ore

Wang Jinqing¹，Yan Qun²，Liang Changli¹，Luo Xianping^3,4,5

1.School of Resource and Environmental Engineering，Jiangxi University of Science and Technology，Ganzhou 341000，China；2.School of Architectural and Surveying & Mapping Engineering，Jiangxi University of Science and Technology，Ganzhou 341000，China；3.Institude of Engineering & Research，Jiangxi University of Science and Technology，Ganzhou 341000，China；4.Western Mining Co.Ltd.，Xining 810006，China；5.Key Laboratory of Mineral Processing and Comprehensive Utilization in Qinghai Province Plateau，Xining 810006，China

Online:2015-08-15 Published:2015-11-19

Abstract

Abstract: Bioleaching technology is one of the effective methods to treat low-grade nickel sulfide ore.The research object of bioleaching technology on nickel sulfide ore mainly include bioleaching bacteria，mechanism，technology and influencing factors.Common strains for nickel sulfide ore bioleaching and high efficient bioleaching bacteria developed in recent years were introduced.The bioleaching mechanism of nickel sulfide ore was analyzed.Nickel sulfide ore was dissolved under the combined action of both direct and indirect mechanism，meanwhile the galvanic effect also promote the dissolve of the ore，and research progress on bioleaching mechanism of nickel sulphide ore was reviewed.The affection methods of bioleaching process influence factors，including nutrient medium，slurry temperature，slurry pH，pulp density，surface active agent，etc.working on the low grade nickel sulphide ore was summarized.Research field including bacterial cultivation，microbial metabolism，bioleaching dynamics，leaching strengthen technology and technological conditions optimized，etc.on bioleaching of low grade nickel sulphide ore should be promoted in the future.

Key words: Nickel sulphide ore, Bioleaching, Action mechanism, Influence factors

WANG Jin-Qing, YAN Qun, LIANG Chang-Li, LUO Xian-Ping. Research Progress in Bioleaching of Nickel Sulphide Ore[J]. Metal Mine, 2015, 44(08): 85-91.

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