黄金科学技术 ›› 2019, Vol. 27 ›› Issue (6): 950-956.doi: 10.11872/j.issn.1005-2518.2019.06.950
• 采选技术与矿山管理 • 上一篇
摘要:
采用多元素分析、X射线衍射、矿物解离度分析和电镜扫描等方法,开展陇南紫金金精矿的工艺矿物学研究,深入分析矿物组分、各物相赋存状态以及金的伴生规律。研究结果表明:该金精矿S和As质量分数分别为42.12%和2.31%,硫化物包裹金占比为56.19%,属于硫化物包裹难处理金矿;金矿物粒度为1~10 μm,以银金矿为主,并含有少量的自然金;金矿物的单体解离度为30%,未解离的金矿物均与黄铁矿连生,呈半包裹半裸露状或完全被包裹状。基于金矿物的单体解离度随着矿物粒度减小而增大的特性,可通过超细磨的方法,增加金与浸金试剂的接触,为提高金的回收率创造良好条件。
中图分类号:
1 | Nestor D,Valdivia U,Chaves A P.Mechanisms of bioleaching of a refractory mineral of gold with Thiobacillus ferrooxidans[J].International Journal of Mineral Processing,2001,62(1/2/3/4):187-198. |
2 | 周洪波,肖升木,胡岳华,等.金矿石生物氧化预处理研究[J].中国矿业,2006,15(2):39-42. |
Zhou Hongbo,Xiao Shengmu,Hu Yuehua,et al.Studies on the bio-pretreatment of gold ores[J].China Mining Industry,2006,15(2):39-42. | |
3 | Abrantes L M,Costa M C.Electro-oxidation as a pre-treatment for gold recovery[J].Hydrometallurgy,1996,40(1/2):99-110. |
4 | 刘志楼,杨天足.难处理金矿的处理现状[J].贵金属,2014,35(1):79-83,89. |
Liu Zhilou,Yang Tianzu.Treatment status for refractory gold ores[J].Precious Metals,2014,35(1):79-83,89. | |
5 | Huang J H,Rowson N A.An application of microwave pre-oxidation in improving gold recovery of a refractory gold ore[J].Rare Metals,2000,19(3):170-171. |
6 | 王力军,刘春谦.难处理金矿石预处理技术综述[J].黄金,2000,21(1):38-45. |
Wang Lijun,Liu Chunqian.Overview of pretreatment technique of refractory gold ores[J].Gold,2000,21(1):38-45. | |
7 | 王康林,汪模辉,蒋金龙.难处理金矿石的细菌氧化预处理研究现状[J].黄金科学技术,2001,9(1):19-24. |
Wang Kanglin,Wang Mohui,Jiang Jinlong.Current status of studies on bacterial oxidation and pre-disposal of refractory gold ores[J].Gold Science and Technology,2001,9(1):19-24. | |
8 | Asia S,Konish Y,Yoshida K.Kinetic model for batch bacterial dissolution of pyrite particles by thiobacillus ferrooxidans[J].Chemical Engineering Science,1992,47(1):133-139. |
9 | 王金祥.难浸金精粉箱式静态生物氧化试验研究[J].黄金科学技术,2012,10(6):20-24. |
Wang Jinxiang.The study of testing to the bio-oxidation of refractory gold-bearing concentrate in oxidation-box in static state[J].Gold Science and Technology,2012,10(6):20-24. | |
10 | Elzeky M, Attia Y A.Effect of bacterial adaption on kinetics and mechanisms of bioleaching ferrous sulfides[J].The Chemical Engineering Journal and the Biochemical Engineering Journal,1995,56(2):115-124. |
11 | 杨振兴.难处理金矿石选冶技术现状及发展方向[J].黄金,2002,23(7):31-35. |
Yang Zhenxing.The status quo of treating refractory gold ores[J].Gold,2002,23(7):31-35. | |
12 | 陈聪,姚香.难处理金矿石预处理方法简述[J].黄金科学技术,2004,12(4):27-30. |
Chen Cong,Yao Xiang.Nutsheu of pretreatment methode of refractorg gold ores[J].Gold Science and Technology,2004,12(4):27-30. | |
13 | Sovmen V K,Belyi A V,Danneker M Y,et al.Biooxidation of refractory gold sulfide concentrate of Olympiada deposit[J].Advanced Materials Research,2009,71/72/73:477-480. |
14 | Juarez C M,Dutra A J B.Gold electrowinning from thiourea solutions[J].Minerals Engineering,2000,13 (10/11):1083-1096. |
15 | Abbruzzese C,Fornari P,Massidda R,et al.Thiosulphate leaching for gold hydrometallurgy[J].Hydrometallurgy,1995,39(1/2/3):265-276. |
16 | Hausen D M.Processing gold quarry refractory ores[J].The Journal of The Minerals,Metals & Materials Society,1989,41(4):43-45. |
17 | Sparrow G J, woodcock J T.Cyanide and other lixiviant leaching systems for gold with some practical applications[J].Mineral Processing and Extractive Metallurgy Review,1995,14(3/4):193-247. |
18 | 何桂春.复杂高硫金矿石浮选试验研究[J].黄金,2010,31(6):45-49. |
He Guichun.Experimental study on floatation of some complex high-grade-sulfide gold ore[J].Gold,2010,31(6):45-49. | |
19 | 高国龙,李登新.高硫高砷难浸金精矿工艺矿物学研究[J].中国矿业,2010,19(12):56-58. |
Gao Guolong,Li Dengxin.Process mineralogy of high-sulphur and high-arsenic refractory gold concentrate[J].China Mining Magazine,2010,19(12):56-58. | |
20 | 傅开彬,董发勤,谌书,等.四川某含砷难处理金精矿细菌氧化—无氰提金试验[J].金属矿山,2015,44(1):67-71. |
Fu Kaibin,Dong Faqin,Chen Shu,et al.Biooxidation-cyanide-free gold leaching of a refractory gold ore containing arsenic in Sichuan Province[J].Metal Mine,2015,44(1):67-71. | |
21 | 杨玮,覃文庆,刘瑞强,等.高砷难处理金精矿细菌氧化—氰化提金[J].中国有色金属学报,2011,21(5):1151-1158. |
Yang Wei,Qin Wenqing,Liu Ruiqiang,et al.Extraction of Au from high arsenic refractory gold concentrate by bacterial oxidation-cyanidation[J].The Chinese Journal of Nonferrous Metals,2011,21(5):1151-1158. | |
22 | 丁文涛,蔡创开,许晓阳,等.某难处理金矿的工艺矿物学和提取冶金学研究[J].矿产综合利用,2016(2):26-28,33. |
Ding Wentao,Cai Chuangkai,Xu Xiaoyang,et al.Application of process mineralogy and research of extraction metallurgy in refractory gold process selection[J].Comprehensive Utilization of Minerals,2016(2):26-28,33. |
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