METHOD FOR EXTRACTING VALUABLE METALS FROM LATERITE-NICKEL ORE WITH WHOLE CLOSED-LOOP CIRCULATION OF HYDROCHLORIC ACID
摘要
<p>A method for extracting valuable metals from laterite-nickel ore with whole closed-loop circulation of hydrochloric acid is provided. The method includes the following steps: crushing the laterite-nickel ore, leaching chloride under heating and pressurization, reclaiming iron from the leaching residue, precipitating nickel and cobalt by composite sulfuration precipitator,spray drying the mother liquor and calcining. Leaching reagent is mixed solution of metal chloride and hydrochloric acid.</p>
申请公布号
WO2010094161(A1)
申请公布日期
2010.08.26
申请号
WO2009CN00274
申请日期
2009.03.13
申请人
CENTRAL SOUTH UNIVERSITY;LI, XINHAI;GUO, HUAJUN;HU, QIYANG;WANG, ZHIXING;PENG, WENJIE;ZHANG, YUNHE;LI, XIANGQUN
