黄金科学技术 ›› 2017, Vol. 25 ›› Issue (4): 93-98.doi: 10.11872/j.issn.1005-2518.2017.04.099
吴智1,2 ,衷水平 1,2
WU Zhi 1,2,ZHONG Shuiping 1,2
摘要:
玻利维亚某矿区选锡尾矿经浮选产出含银硫精矿,其中含金1.03×10-6、银178.7×10-6、铜0.53%,硫化物包裹金73.45%,硫化银73.63%。为综合回收该硫精矿的有价元素,采用“添加剂焙烧—烟气制酸—酸浸回收铜—氰化回收金、银—尾渣出售”工艺。试验结果表明,当增加添加剂焙烧时,金、银、铜的回收率均大幅提高,其最终浸出率分别为80.07%、90.32%和89.55%。初步经济分析结果表明,该含银硫精矿吨矿生产总价值为1 471.51元,不计原料费用时吨矿生产总成本为1 228.13元。该含银硫精矿的处理工艺实现了二次资源的可持续利用,为企业节能减排提供了一条新途径。
中图分类号:
[1] Wang Li.Comprehensiverecovery research on pyrite concentrate containing gold in Yunnan Province[J].Materials Research and Application,2010,4(3):219-222.[王俐.含金硫精矿综合回收实验研究[J].材料研究与应用,2010,4(3):219-222.]
[2] Sun Jiashou,Peng Ru,Luo Huihua.Study on the comprehensive recovery of valubale elements in sulphure concentrate[J].Industrial Minerals & Processing,1993,22(3):29-32.[孙家寿,彭儒,罗惠华.综合回收硫精矿中有价元素的研究[J].化工矿山技术,1993,22(3):29-32.] [3] Xu Yuebing.Study on Comprehensive Recovery of Lead,Zinc and Copper Minerals from Sulfur Concentrate Ore[D].Xiang- tan:Xiangtan University,2015.[徐月冰.硫精矿中铅锌铜综合回收利用工艺[D].湘潭:湘潭大学,2015.] [4] Mao Yilin,Chen Xiaoqing,Yang Jinzhong.Experimental research on comprehensive recovery of the Sn-Cu-Pb-Zn polymentalic ore[J].China Mining Magazine,2016,25(1):107-111.[毛益林,陈晓青,杨进忠.某锡铜铅锌多金属矿综合回收试验研究[J].中国矿业,2016,25(1):107-111.] [5] Chen Bin,Tang Xianmin,Tang Gengnian.Study on the process of treating sulfur concentrate bearing gold with roasting- carbonitriding technology for increasing silver recovery ratio[J].Precious Metals,2010,31(2):1-5.[陈滨,唐娴敏,唐庚年.焙烧—氰化工艺处理含金硫精矿提高银回收率的研究[J].贵金属,2010,31(2):1-5.] [6] Wu Zaijiu.Recovery of gold,silver and copper from complex gold concentrate by roasting-acidic leaching-cyanidation process[J].Nonferrous Metals Science and Engineering,2013,4(2):25-29.[吴在玖.焙烧—酸浸—氰化法从复杂金精矿中回收金银铜[J].有色金属科学与工程,2013,4(2):25-29.] [7] Liu Min.Physico-chemical behavior of silver during roasting- cyanide leaching of a gold ore[J].Multipurpose Utilization of Mineral Resources,2002(4):20-23.[刘敏.某金矿在焙烧氰化浸出时银的物理化学行为[J].矿产综合利用,2002(4):20-23.] [8] Liu Shuichang,Tan Houchu,Guo Shengkun,et al.Research on the comprehensive recovery technology of sulphur concentrate containing silver[J].Jiangxi Nonferrous Metals,1995,9(1):21-29.[刘水长,谭厚初,郭声琨,等.含银硫精矿综合回收工艺的研究[J].江西有色金属,1995,9(1):21-29.] [9] Ke Jiajun.Present situation and problems of refractory gold ores [J].Gold Science and Technology,1998,6(1):32-39.[柯家骏.难浸金矿氰化提金的现状与问题[J].黄金科学技术,1998,6(1):32-39.] [10] Huang Zhongsheng,Wang Chun,He Dengping.Research on bacterial continuous preoxidation-cyaniding pilot process for low Au/S ratio refractory gold concentrates ores[J].Gold Science and Technology,2014,22(4):99-102.[黄中省,王春,贺登平.某低Au/S比难处理金精矿连续生物氧化—提金中试研究[J].黄金科学技术,2014,22(4):99-102.] [11] Chandra A P,Gerson A R.The mechanisms of pyrite oxidation and leaching:A fundamental perspective[J].Surface Science Reports,2010,65(9):293-315. [12] Li Junmeng.Current situations of refractory gold ore’s pretreatment method research and its tendency[J].Chinese Journal of Rare Metals,2003,27(4):478-481.[李俊萌.难处理金矿石预处理方法研究现状及其发展趋势[J].稀有金属,2003,27(4):478-481.] [13] Li Feng,Ding Dexin,Hu Nan.Roasting oxidation-thiosulfate leaching of gold from refractory gold-bearing sulfur concentrates[J].The Chinese Journal of Nonferrous Metals,2014,24(3):831-836.[李峰,丁德馨,胡南.难处理含金硫精矿的焙烧氧化—硫代硫酸盐浸出[J].中国有色金属学报,2014,24(3):831-836.] [14] Deng Lili.Study on the gold recovery from sulfur concentrates by roasting-cyanidation gold leaching process[J].Gold,2015,36(9):64-67.[邓莉莉.某硫精矿焙烧—氰化回收金试验研究[J].黄金,2015,36(9):64-67.] [15] Hu Yangjia,He Zheng,Zhao Zhiqiang.Precious metals study on the extraction of silver from high arsenic refractory sulfur concentrate[J].Precious Metals,2015,36(3):14-18.[胡杨甲,贺政,赵志强.高砷难处理硫精矿氰化浸出提银实验研究[J].贵金属,2015,36(3):14-18.] |
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