摘要
针对低品位镍矿石难以开发利用的问题,采用改良后的高效菌种进行了细菌氧化柱浸试验研究,并考察了柱浸粒度、接种菌量等工艺条件。结果表明:在最佳条件下,采用改良后的高效菌种B4_(3)、D4_(4),氧化浸出180 d,可获得良好的试验指标,镍、铜浸出率分别为74.61%、70.52%。研究结果可为该类型低品位镍矿石的开发利用提供有效途径。
In order to solve the problem that low-grade nickel ores are difficult to process,renovated highly efficient bacterial strains are used to carry out biooxidation column leaching experiment,investigating the process conditions such as column grain size and injected bacterial amount.The results show that under optimal conditions,the adoption of renovated highly efficient bacterial strains B4_(3) and D4_(4) can obtain good text index when the oxidation leach-ing time is 180 d.The nickel and copper leaching rate can be 74.61%and 70.52%respectively.The research result can provide effective pathways for the development of similar low-grade nickel ores.
作者
任洪胜
郑沈吉
刘新艳
张鸣昕
韩治纬
郎淳慧
崔商哲
Ren Hongsheng;Zheng Shenji;Liu Xinyan;Zhang Mingxin;Han Zhiwei;Lang Chunhui;Cui Shangzhe(Metallurgical Research Institute of Jilin Province)
出处
《黄金》
CAS
2021年第5期56-59,共4页
Gold
基金
吉林省发改委产业技术研究与开发项目(019C059)。
关键词
镍矿石
细菌浸出
柱浸
低品位
铜
浸出率
nickel ore
bioleaching
column leaching
low grade
copper
leaching rate
