专利检索 ap:("KENNECOTT HOLDINGS CORP") AND inv:"EVANS J PHILIP" 第 1 页

1.

发明公开
IMPROVED HYDROMETALLURGICAL PROCESSING OF IMPURITY STREAMS GENERATED DURING THE PYROMETALLURGY OF COPPER 失效
标题翻译：污染问题VERRBESSERTES HYDRO冶金方法时引起铜火法冶炼

公开(公告)号：EP0815269A4

公开(公告)日：1998-07-15

申请号：EP96911072

申请日：1996-03-07

申请人： KENNECOTT HOLDINGS CORP

发明人： GABB PHILIP J , EVANS J PHILIP

IPC分类号： C22B7/02 , C22B15/00 , C22B15/14 , C22B30/00 , C22B30/06 , C22B3/00

CPC分类号： C22B7/02 , C22B15/0065 , C22B15/0067 , C22B15/0084 , C22B30/00 , C22B30/06 , Y02P10/236

摘要： Impurity streams generated during the metallurgy of copper are hydrometallurgically processed at ambient pressure for recovery of primary values in an energy-efficient manner and with the capture and conversion of metallic impurities to states that are acceptable for disposal into the environment. Hallmark features of the various embodiments of this invention include the water leach of flue dust, a controlled acid leach stage in which metal species are solubilized, the extraction of copper as a sulfide, and the ability to operate the various process stages at essentially ambient pressure.