云南某低品位硫化铜矿石浮选新工艺研究
Research on New Flotation Process of a Low-grade Copper Sulfide Ore in Yunnan
贺国帅 1曹杨 1刘瑞增 1姚文明 1覃文庆 1邓海波2
作者信息
- 1. 中南大学资源加工与生物工程学院,湖南长沙410083
- 2. 甘肃玛曲格萨尔黄金实业股份有限公司,甘肃甘南747300
- 折叠
摘要
云南某高硫低铜铜矿石,铜氧化率达18.52％,容易产生可溶性离子,增加铜硫分离难度.为给选矿厂的工艺改进提供依据,在原工艺基础上进行了浮选新工艺研究.结果表明:通过药剂制度优化和增设中矿再磨作业及浮选柱精选作业,铜精矿铜品位从16.81％提高到22.45％,铜回收率从70.98％提高到79.81％,现场工艺流程的石灰用量大幅度下降,为后续选硫创造了条件.
Abstract
A copper sulfide ore from Yunnan with oxidation rate of 18.52％ is easy to produce dissolvable ions which make Cu-S separation more difficult.To provide the basis for optimizing beneficiation process,a new flotation process was conducted,based on the primary process.The results showed that the copper grade increased from 16.81％ to 22.45％ and the recovery increased from 70.98％ to 79.81％ in the concentrate,via optimizing the reagents regime and adding the procedures of middling regrinding and column flotation for cleaning.Additionally,the dosage of lime used in the process decreased a lot,which is beneficial to the subsequent concentration of sulfur.
关键词
铜硫分离/新药剂/中矿再磨/浮选柱精选Key words
Cu-S separation/New reagent/Middling regrinding/Column flotation for cleaning引用本文复制引用
出版年
2017
NETL
NSTL
维普
万方数据