Indexed by:
Abstract:
为了考查黄铁矿对硫砷铜矿浸出的影响,在添加黄铁矿、常压化学浸出条件下研究硫砷铜矿的浸出动力学和电化学。采用自制浸出装置在H_2SO_4-Fe_2(SO_4)_3体系中开展混合矿物化学浸出实验。结果表明:添加黄铁矿后硫砷铜矿的表观活化能降低至48.15kJ/mol;随着黄铁矿加入比例的升高,硫砷铜矿的浸出率逐渐提高,当硫砷铜矿与黄铁矿质量比为1:6时,12天硫砷铜矿的浸出率可达23.6%。通过XPS分析了混合矿物表面化学浸出前后硫和砷形态的变化,加入黄铁矿后促进砷转化为五价砷,降低毒性。电化学工作站测定硫砷铜矿的静止电位为0.48 V,无菌条件下的电化学行为解释了黄铁矿和硫砷铜矿混合化学浸出时形...
Keyword:
Reprint 's Address:
Email:
Version:
Source :
中国有色金属学报
ISSN: 1004-0609
CN: 43-1238/TG
Year: 2018
Issue: 11
Volume: 28
Page: 2376-2382
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 1
Affiliated Colleges: