Reinforcement of the two-stage leaching of laterite ores using surfactants

查看全文 作　　者：Peiyu [1,2]Zhang;Hairui [3]Wang;Jingcheng [1,2]Hao;Jiwei [1,2]Cui

机构地区：[1]School of Chemistry and Chemical Engineering,Shandong University,Jinan 250100,China;[2]Key Laboratory of Colloid and Interface Chemistry of the Ministry of Education,Shandong University,Jinan 250100,China;[3]Shandong Environmental Protection Industry Group Co.Ltd.,Jinan 250000,China

出　　处：《Frontiers of Chemical Science and Engineering》索引2021年第15卷第3期,共9页

基　　金：financially supported by the National Natural Science Foundation of China(Grant No.51704175);the Fundamental Research Funds of Shandong University(Grant No.2016GN011). 摘　　要：A two-stage leaching process,namely,highpressure acid leaching-atmospheric acid leaching,was used to treat laterite ores under mild conditions.The leaching ratio of Ni was low because of adsorption and incomplete leaching.In this work,surfactants were used as additives to boost the leaching ratio of Ni.The effect of surfactant type(cationic,anionic,and nonionic surfactants)on the leaching ratio of Ni was investigated.Leaching results showed that stearyl trimethyl ammonium chloride(STAC)apparently increased the leaching ratios of valuable metals.The variation in the physicochemical properties of the lixiviant and the residue improved the leaching ratio of Ni in the presence of STAC.Kinetics analysis indicated that the leaching process was controlled by chemical reaction. 关键词：laterite ore Ni SURFACTANT acid leaching

相关文献

参考文献（30）
引证文献（2）
耦合文献（18）

参考文献(30)

引证文献(2)

耦合文献(18)

互联网出版许可证新出网证(渝)字10号全国400电话 - 免长途话费

Reinforcement of the two-stage leaching of laterite ores using surfactants

参考文献(30)

引证文献(2)

耦合文献(18)

用户提示