Zinc Recovery from Low Grade Zinc Oxide Ore
Received:December 25, 2012   Revised:December 26, 2012   Accepted:December 28, 2012      Published Online:April 23, 2013
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DOI:10.3969/j.issn.1007-7545.2013.05.006
KeyWord:low grade zinc oxide ore; two-step countercurrent leaching; extraction; recovery; electrowinning
                    
AuthorInstitution
LU Xing-wu 西北矿冶研究院冶金新材料研究所
CHEN Liang 西北矿冶研究院冶金新材料研究所
YI Chao 西北矿冶研究院冶金新材料研究所
HE Guo-cai 西北矿冶研究院冶金新材料研究所
LI Yu-liang 西北矿冶研究院冶金新材料研究所
PU Jing-wen 西北矿冶研究院冶金新材料研究所
MA Ai-jun 西北矿冶研究院冶金新材料研究所
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Abstract:
      Zinc was recovered from low grade zinc oxide ores applying the process of acidic leaching (or two-step leaching), purification, extraction, and electrowinning (L-SX-EW). The results show that the zinc leaching rate is above 92%, the quality of electrodeposited zinc satisfies the No.1 grade standard of GB/T 470-2008.
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