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1.发明授权CHROMIUM REMOVAL FROM LEACH LIQUORS PRODUCED DURING HIGH PRESSURE ACID LEACHING OF LATERITIC ORES 有权KROM撤除OFF产于ACID加压浸提红土矿石LYE解
公开(公告)号：EP1458897B1
公开(公告)日：2005-04-13
申请号：EP02784969.4
申请日：2002-12-16
申请人： Falconbridge Limited
发明人： Buarzaiga, Mohamed , Marshall, Debbie , Boissoneault, Marc , Hoffman, Maxine , Potter, Carlton A.
CPC分类号： C22B23/0484 , C22B23/043 , C22B23/0461
摘要： A method is provided for the removal of chromium from leach liquors produced during high pressure leaching of laterite ores in an autoclave, by addition to the autoclave of carbon in a quantity of about 0.5% - 1% by weight with reference to the total dry feed.
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2.发明公开CHROMIUM REMOVAL FROM LEACH LIQUORS PRODUCED DURING HIGH PRESSURE ACID LEACHING OF LATERITIC ORES 有权KROM撤除OFF产于ACID加压浸提红土矿石LYE解
公开(公告)号：EP1458897A1
公开(公告)日：2004-09-22
申请号：EP02784969.4
申请日：2002-12-16
申请人： Falconbridge Limited
发明人： Buarzaiga, Mohamed , Marshall, Debbie , Boissoneault, Marc , Hoffman, Maxine , Potter, Carlton A.
CPC分类号： C22B23/0484 , C22B23/043 , C22B23/0461
摘要： A method is provided for the removal of chromium from leach liquors produced during high pressure leaching of laterite ores in an autoclave, by addition to the autoclave of carbon in a quantity of about 0.5% - 1% by weight with reference to the total dry feed.
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