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公开(公告)号:US20160271624A1
公开(公告)日:2016-09-22
申请号:US15165351
申请日:2016-05-26
发明人: Devarayasamudram Ramachandran NAGARAJ , Tarun BHAMBHANI , Mukund VASUDEVAN , Puspendu DEO , Haunn-Lin Tony CHEN
CPC分类号: B03D1/02 , B03D1/008 , B03D1/01 , B03D1/012 , B03D1/014 , B03D1/016 , B03D2201/007 , B03D2201/02 , B03D2203/02 , B03D2203/025 , C01G53/11 , C22B3/00 , C22B3/12 , C22B3/14 , C22B3/16 , C22B3/24 , C22B11/04 , C22B15/0078 , C22B15/0086 , C22B23/0446 , C22B23/0453 , C22B34/34
摘要: Methods of enhancing recovery of value sulfide or precious minerals from an ore containing Mg-silicate, slime forming minerals, and/or clay by subjecting the ore to a flotation process performed under acidic conditions, in conjunction with the addition of a froth phase modifier agent to the ore, are provided herein.
摘要翻译: 通过在酸性条件下进行浮选工艺,通过加入泡沫相改性剂来提高从含硅酸镁,粘泥形成矿物和/或粘土的矿石中回收值的硫化物或贵重矿物的方法 到矿石。
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公开(公告)号:US20130315812A1
公开(公告)日:2013-11-28
申请号:US13953107
申请日:2013-07-29
发明人: Morris LEWELLYN , Alan S. ROTHENBERG , Haunn-Lin Tony CHEN , Lino G. MAGLIOCCO , Thomas P. SASSI
IPC分类号: C01B21/14
CPC分类号: C01B21/1481 , C01B21/14 , C01B21/1472 , C01B21/16 , C01F7/0653 , C02F1/68 , C02F5/10 , C02F5/12 , C02F5/14 , C08F8/32 , C08F120/56
摘要: The present invention relates to processes for reducing or eliminating the amount of hydrazine from a hydroxylamine-free base containing hydrazine by treating said hydroxylamine-free base with a scavenger agent, and to the hydroxylamine-free base thereby obtained, as well as to its use for producing microdispersions containing a hydroxamated polymer for use as a flocculant in the Bayer process.
摘要翻译: 本发明涉及通过用清除剂处理所述不含羟胺的碱和由此获得的不含羟胺的碱来还原或除去含有羟基胺的肼的肼的方法及其用途 用于生产含有用于拜耳法中絮凝剂的异羟肟酸聚合物的微分散体。
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公开(公告)号:US20140314641A1
公开(公告)日:2014-10-23
申请号:US14256042
申请日:2014-04-18
发明人: Devarayasamudram Ramachandran NAGARAJ , Tarun BHAMBHANI , Mukund VASUDEVAN , Puspendu DEO , Haunn-Lin Tony CHEN
CPC分类号: B03D1/02 , B03D1/008 , B03D1/01 , B03D1/012 , B03D1/014 , B03D1/016 , B03D2201/007 , B03D2201/02 , B03D2203/02 , B03D2203/025 , C01G53/11 , C22B3/00 , C22B3/12 , C22B3/14 , C22B3/16 , C22B3/24 , C22B11/04 , C22B15/0078 , C22B15/0086 , C22B23/0446 , C22B23/0453 , C22B34/34
摘要: Methods of enhancing recovery of value sulfide and/or precious-metal minerals from an ore containing said minerals and a Mg-silicate, slime forming mineral, and/or clay, and which is subjected to a froth flotation process, by adding to one or more stage of the froth flotation process a froth phase modifier having a polymer containing one or more functional groups, and optionally a monovalent ion modifier enhancing agent, thereby enhancing recovery of a value sulfide mineral and/or a precious metal-bearing mineral.
摘要翻译: 从含有矿物和含硅酸镁,粘泥形成矿物和/或粘土的矿石中提取价值硫化物和/或贵金属矿物的回收率并经受泡沫浮选工艺的方法,通过加入一种或 泡沫浮选方法的更多阶段是具有含有一个或多个官能团的聚合物的泡沫相改性剂,以及任选的一价离子改性剂增强剂,从而增强值硫化物矿物和/或含贵金属矿物的回收。
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