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1. 发明申请

US20100242681A1 Method for concentration of gold in copper sulfide minerals 有权
标题翻译：硫化铜矿物中金的浓度测定方法
公开(公告)号：US20100242681A1
公开(公告)日：2010-09-30
申请号：US12659832
申请日：2010-03-23
申请人： Noriyuki Nagase , Satoshi Asano , Masatoshi Takano , Kenji Takeda , Shinichi Heguri , Atsushi Idegami
发明人： Noriyuki Nagase , Satoshi Asano , Masatoshi Takano , Kenji Takeda , Shinichi Heguri , Atsushi Idegami
IPC分类号： C22B11/00 , C22B15/00 , C25C1/12
CPC分类号： C22B15/0071 , C22B3/08 , C22B3/20 , C22B11/042 , Y02P10/214 , Y02P10/234 , Y02P10/236
摘要： Disclosed herein is a method for concentrating gold contained in a leach residue obtained in a copper hydrometallurgical process for recovering copper from a copper sulfide mineral to efficiently separate and recover gold from the leach residue. According to the method, a gold-bearing copper sulfide mineral is subjected to pressure leaching with sulfuric acid at a temperature higher than 102° C. and 112° C. or lower to obtain a leach residue, and the leach residue is subjected to flotation to separate it into a float fraction and a sink fraction. The float fraction obtained by flotation is desulfurized by heating at a temperature of 250 to 800° C. under an inert atmosphere to obtain a desulfurized product. The desulfurized product is subjected to oxidative roasting by heating at a temperature of 600 to 800° C. under an atmosphere of flowing oxygen or air to obtain an oxidatively-roasted product. The oxidatively-roasted product is dissolved in a sulfuric acid solution to obtain a copper solution, and a gold-bearing residue is separated and recovered from the copper solution.
摘要翻译：本文公开了一种用于浓缩在铜湿法冶金方法中获得的浸出残渣中所含的金的方法，用于从硫化铜矿物中回收铜以有效地从浸出残渣中分离和回收金。根据该方法，将含金硫化铜矿物在高于102℃和112℃或更低的温度下用硫酸进行压力浸出以获得浸出残渣，并将浸出残渣进行浮选将其分离成浮球分数和水槽分数。通过浮选获得的浮选级分在惰性气氛下在250〜800℃的温度下加热脱硫，得到脱硫产物。通过在氧气或空气流动的气氛中，在600〜800℃的温度下加热，对脱硫物进行氧化焙烧，得到氧化焙烧物。将氧化焙烧物溶解在硫酸溶液中，得到铜溶液，从铜溶液中分离回收含金残留物。

2. 发明授权

US08052774B2 Method for concentration of gold in copper sulfide minerals 有权
标题翻译：硫化铜矿物中金的浓度测定方法
公开(公告)号：US08052774B2
公开(公告)日：2011-11-08
申请号：US12659832
申请日：2010-03-23
申请人： Noriyuki Nagase , Satoshi Asano , Masatoshi Takano , Kenji Takeda , Shinichi Heguri , Atsushi Idegami
发明人： Noriyuki Nagase , Satoshi Asano , Masatoshi Takano , Kenji Takeda , Shinichi Heguri , Atsushi Idegami
IPC分类号： C22B3/08 , C22B3/20 , C22B3/22 , C22B3/42
CPC分类号： C22B15/0071 , C22B3/08 , C22B3/20 , C22B11/042 , Y02P10/214 , Y02P10/234 , Y02P10/236
摘要： Disclosed herein is a method for concentrating gold contained in a leach residue obtained in a copper hydrometallurgical process for recovering copper from a copper sulfide mineral to efficiently separate and recover gold from the leach residue: a gold-bearing copper sulfide mineral is subjected to pressure leaching with sulfuric acid at a temperature higher than 102° C. and 112° C. or lower to obtain a leach residue, and the leach residue is subjected to flotation to separate it into a float fraction and a sink fraction; the float fraction obtained by flotation is desulfurized to obtain a desulfurized product; the desulfurized product is subjected to oxidative roasting to obtain an oxidatively-roasted product; the oxidatively-roasted product is dissolved in a sulfuric acid solution to obtain a copper solution, and a gold-bearing residue is separated and recovered from the copper solution.
摘要翻译：本文公开了一种用于浓缩在铜湿法冶金方法中获得的浸出残渣中的金的方法，用于从硫化铜矿物中回收铜以有效地从浸出残渣中分离和回收金：含金硫化铜矿物经受压力浸出在高于102℃和112℃或更低的温度下用硫酸获得浸出残余物，并将浸出残渣进行浮选以将其分离成浮选级分和沉降级分; 通过浮选获得的浮选分数进行脱硫，得到脱硫产物; 对脱硫产物进行氧化焙烧，得到氧化焙烧物; 将氧化焙烧物溶解在硫酸溶液中，得到铜溶液，从铜溶液中分离回收含金残留物。

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