您目前所在的位置:首页 - 期刊简介 - 详细页面

铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 3    No. 4    December 1993

[PDF Download]    [Flash Online]

    

ACTIVATION MECHANISM OF AlCl3 DURING THE LEACHING OF Cu-Ni ORE WITH Fe Cl3
Wu; Wenjian Chen; Zhong Jiang; Hanying Yang; Songqin

Department of Chemistry; Central South Unirersity of Technology; Changsha 410083; China

Abstract:After Cu-Ni ore powder pre-soaked in AlCl3 solution.the leaching ratios of copper and nickel can increase obviously.By X-ray diffraction analyses,electron energy spectrum analyses and electrochemical experiments,it is affirmed that,the activation of aluminum ion includes two aspects:one is the surface change of the ore by the absorption of hydrolysates,and the oth- er is the change of semiconductor characteristics of the metal sulfides by impurity aluminum ion entering the lattice,so that leaching reactions are accelerated.

 

Key words: oxidative leaching; copper-nickel sulfide ore; aluminium chloride; activation

ISSN 1672-7029
CN 43-1423/U

主管:中华人民共和国教育部 主办:中南大学 中国铁道学会 承办:中南大学
湘ICP备09001153号 版权所有:《铁道科学与工程学报》编辑部
------------------------------------------------------------------------------------------
地 址:湖南省长沙市韶山南路22号 邮编:410075
电 话:0731-82655133,82656174   传真:0731-82655133   电子邮箱:jrse@mail.csu.edu.cn