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[1]曹占芳,谭锦勇,钟宏.醋酸-醋酸钠体系中铜铅硫化矿物电氧化浸出分离行为研究[J].有色金属科学与工程,2020,(05):25-30.
 CAO Zhanfang,TAN Jinyong,ZHONG Hong.Electro-oxidation leaching and separation behavior of copper-lead sulfide minerals in acetic acid-sodium acetate system[J].,2020,(05):25-30.
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醋酸-醋酸钠体系中铜铅硫化矿物电氧化浸出分离行为研究(/HTML)
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《有色金属科学与工程》[ISSN:1674-9669/CN:36-1311/TF]

卷:
期数:
2020年05期
页码:
25-30
栏目:
出版日期:
2020-10-20

文章信息/Info

Title:
Electro-oxidation leaching and separation behavior of copper-lead sulfide minerals in acetic acid-sodium acetate system
作者:
曹占芳谭锦勇钟宏
(中南大学 化学化工学院 ,锰资源高效清洁利用湖南省重点实验室,湖南 长沙,410083)
Author(s):
CAO Zhanfang TAN Jinyong ZHONG Hong
(College of Chemistry and Chemical Engineering, and Hunan Provincial Key Laboratory of Efficient and Clean Utilization of Manganese Resources, Central South University, Changsha 410083, Hunan, China)
关键词:
电氧化浸出混合精矿方铅矿黄铜矿醋酸醋酸钠
分类号:
TD952
DOI:
-
文献标志码:
A
摘要:
针对铜铅复杂矿物难以高效分离的技术难题,文中构建了醋酸-醋酸钠电氧化体系,并系统考察了方铅矿、黄铜矿的电氧化浸出分离行为。结果表明,醋酸-醋酸钠不仅能维持体系的稳定,还能与铅离子结合形成络合物,强化方铅矿的选择性浸出过程。优化的工艺条件为:固液比0.02 g/ml,搅拌速度700 rpm,阳极电流密度 659.4 A/m2,常温,反应时间60 min,氯化钠浓度3 mol/L,槽电压3.8 ~4.4 V。优化条件下,Pb的浸出率达71.55%,Cu的浸出率仅为1.85%,实现了铅、铜硫化矿物的经济高效分离回收。该技术具有良好的工业化应用前景。

参考文献/References:



[1] 高兰,肖克炎,丛源,等.西南三江锌铅银铜锑金成矿带成矿特征及资源潜力[J]. 地质学报,2016,90(7):1650-1667.

[2] HUANG P, CAO M L , LIU Q. Selective depression of sphalerite by chitosan in differential Pb-Zn flotation[J]. International Journal of Mineral Processing, 2013, 122:29-35.

[3] LI C X , WEI C, D ENG Z G , et al. Hydrothermal sulfidation and flotation of oxidized zinc-lead ore[J]. Materials Transactions B, 2014, 45(3):833-838.

[4] URIBE-SALAS A, MARTINEZ-CAVAZOS T E, NAVA-ALONSO F C, et al . Metallurgical improvement of a lead/copper flotation stage by pulp potential control[J]. International Journal of Mineral Processing, 2000, 59:69-83.

[5] 胡宇杰,唐朝波,陈永明,等.铅锌混合硫化精矿的低温熔盐还原固硫熔炼[J].中国有色金属学报,2015,25(12):3488-3496.

[6] KARAVASTEVA M.The effect of certain surfactants on the acid and neutral leaching of zinc calcine obtained by roasting of sphalerite concentrates[J].Hydrometallurgy,2001,62 (3):151- 156.

[7] 丁声强, 邱廷省, 张宝红,等.某含银多金属硫化矿选矿试验研究[J].有色金属科学与工程,2013,4(1): 72-78.

[8]沈同喜,余新阳.江西某铅锌多金属硫化矿石选矿试验研究[J].有色金属科学与工程,2012,3(2): 71-75.

[9] XU H S, WEI C, LI C X, et al . Selective recovery of valuable metals from partial silicated sphalerite at elevated temperature with sulfuric acid solution[J].Journal of Industrial and Engineering Chemistry,2014,20:1373-

1381.

[10] XU B, Z HONG H J IANG T. Recovery of valuable metals from Gacun complex copper concentrate by two-stage counter current oxygen pressure acid leaching process[J]. Minerals Engineering, 2011, 24(10):1082-1083.

[11] HARVEY T J, YEN W T. The influence of chalcopyrite,galena and pyrite on the selective extraction of zinc from base metal sulphide concentrates[J].Minerals Engineering,1998,11 (1):1-21.

[12] 李元坤,寇建军. 铜铅锌银多金属矿湿法分离新工艺[J]. 有色金属(冶炼部分),2002,3:11-15.

[13] TCHOUMOU M, R OYNETTE M. Leaching of complex sulphide concentrate in acidic cupric chloride solutions [J].Transactions of the Nonferrous Metals Society of China, 2007, 17(2): 423-428.

[14] TKACOVA K, BALAZ P, M ISURA B, et al. Selective leaching of zinc from mechanically activated complex Cu-Pb-Zn concentrate[J]. Hydrometallurgy,1993, 33 (3):291-300.

[15] ERIKA G, PETER B, E VA B. Structural and temperature sensitivity of the chloride leaching of copper, lead and zinc from a mechanically activated complex sulphide[J]. Hydrometallurgy, 2002, 65:83-93.

[16] ZARATE-GUTIERREZ R, GREGORIO-VAZQUEZ L,LAPIDUS G T. Selective?leaching?of lead from a lead-silver-zinc?concentrate with hydrogen peroxide in citrate solutions[J].Canadian Metallurgical Quarterly, 2015, 54(3):305-309.

[17] 湛雪辉,李朝辉,湛含辉,等.盐酸体系中二氧化锰浸出方铅矿的研究[J]. 中南大学学报(自然科学版),2012,43(6):2084-2088.

[18] 欧乐明,曾培,张国范,等.油酸钠体系下方铅矿和黄铁矿的可浮性[J]. 中南大学学报(自然科学版),2017,48(8):1965-1971.

[19] 陈凌,杨显万,司云森. 高银型方铅矿矿浆电解工艺条件研究[J]. 昆明理工大学学报(自然科学版), 2002, 27(1): 38-41.

[20] 邱定藩. 矿浆电解[M]. 北京: 冶金工业出版社, 1999.

[21] 周丽,李和平,徐丽萍. 硫酸铁溶液中方铅矿溶解的混合电位振荡现象[J].中南大学学报(自然科学版), 2006, 37(3): 579-582.

[22] 冯其明,卢毅屏,蒋小辉,等. 常温酸性条件下黄铜矿氧化分解机理[J]. 有色金属, 2008, 60(1): 57-66.

相似文献/References:

[1]李全瑞.丰山铜矿铜钼分离工业性试生产实践[J].有色金属科学与工程,1997,(04):16.
[2]В.С.КОГАН,В.А.ЧАНТУРИЯ,Н.Г.СЕРДЮКОВА,等.湿法冶金处理含铋硫化矿精矿[J].有色金属科学与工程,1991,(02):58.
[3]初一.硫化矿中钼铋铜的无氰分离[J].有色金属科学与工程,1988,(01):62.
[4]曹占芳,谭锦勇,钟宏.醋酸-醋酸钠体系中铜铅硫化矿物电氧化浸出分离行为[J].有色金属科学与工程,2020,(05):1.[doi:10.13264/j.cnki.ysjskx.2020.05.001]
 CAO Zhanfang,TAN Jinyong,ZHONG Hong.Electro-oxidation leaching and separation behavior of copper-lead sulfide minerals in acetic acid-sodium acetate system[J].,2020,(05):1.[doi:10.13264/j.cnki.ysjskx.2020.05.001]

备注/Memo

备注/Memo:
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更新日期/Last Update: 2020-09-18