发明授权
- 专利标题： Process for extracting gold from gold-bearing ore
- 专利标题（中）： 从含金矿石中提取黄金的工艺
-
申请号： US12281568申请日： 2007-03-05
-
公开(公告)号： US07985277B2公开(公告)日： 2011-07-26
- 发明人: Chen Xia , Wan-Tai Yen
- 申请人： Chen Xia , Wan-Tai Yen
- 申请人地址： CN
- 专利权人： Metal Asia International, Ltd.
- 当前专利权人： Metal Asia International, Ltd.
- 当前专利权人地址： CN
- 代理机构： Rader, Fishman & Grauer PLLC
- 国际申请： PCT/CA2007/000337 WO 20070305
- 国际公布： WO2007/098603 WO 20070907
- 主分类号： C22B3/04
- IPC分类号： C22B3/04
摘要：
A process for extracting gold from a gold-bearing ore. The process includes, first, providing a leaching liquor with thiosulfate anion and ethylenediamine. Next, the leaching liquor is contacted with the gold-bearing ore to form a pregnant leach solution including gold dissolved from the gold-bearing ore. Finally, at least part of the gold in the pregnant leach solution is recovered.
公开/授权文献
- US20100116092A1 PROCESS FOR EXTRACTING GOLD FROM GOLD-BEARING ORE 公开/授权日：2010-05-13
信息查询
