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    IMPROVED HYDROMETALLURGICAL PROCESSING OF IMPURITY STREAMS GENERATED DURING THE PYROMETALLURGY OF COPPER
    2.
    发明公开
    IMPROVED HYDROMETALLURGICAL PROCESSING OF IMPURITY STREAMS GENERATED DURING THE PYROMETALLURGY OF COPPER 失效
    改进的铜冶炼过程中产生的杂质流的水力旋流加工

    公开(公告)号：EP0815269A2

    公开(公告)日：1998-01-07

    申请号：EP96911072.0

    申请日：1996-03-07

    申请人： Kennecott Holdings Corporation

    发明人： GABB, Philip, J. ,  EVANS, J., Philip

    IPC分类号： C22B7 ,  C22B15 ,  C22B30

    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.

    摘要翻译： 在铜的冶金过程中产生的杂质流在环境压力下进行湿法冶金处理，以节能的方式回收初级值，并将金属杂质的捕获和转化转换为可用于处置到环境中的状态。 本发明各种实施方案的标志特征包括烟尘的水浸出，其中金属物质被溶解的受控酸浸提阶段，作为硫化物的铜提取以及在基本上环境压力下操作各种工艺阶段的能力 。

    METHOD AND ARRANGEMENT OF SEPARATING ARSENIC FROM STARTING MATERIALS
    3.
    发明公开
    METHOD AND ARRANGEMENT OF SEPARATING ARSENIC FROM STARTING MATERIALS 审中-公开
    方法和系统砷与原料分离

    公开(公告)号：EP3074545A1

    公开(公告)日：2016-10-05

    申请号：EP14809444.4

    申请日：2014-11-27

    申请人： Outotec (Finland) Oy

    发明人： JAATINEN, Akusti ,  HIETALA, Kari ,  SCHEIDEMA, Madeleine ,  KOTIRANTA, Tuukka

    IPC分类号： C22B30/00 ,  C22B30/02 ,  C22B30/04

    CPC分类号： C22B30/00 ,  C22B30/02 ,  C22B30/04 ,  Y02P10/234

    摘要： A method and arrangement of separating arsenic and optionally antimony from a starting material, comprising -a low acid leaching step for leaching a first part of iron, arsenic, copper and optionally antimony, into the first leaching solution, -a first solid-liquid separation step, wherein a first solid leach residue is separated from the first leach solution, -a high acid leaching step for leaching a second part of iron, arsenic, copper and optionally antimony into the second leach solution, -a second solid-liquid separation step for obtaining a second solid leach residue and the second leach solution is recycled back to the low acid leaching step, -a precipitation step for obtaining a precipitate comprising ferric arsenate and optionally antimony compounds, and -a third solid-liquid separation step, wherein the solution comprising copper is separated from the obtained precipitate.

    PROCESSES FOR PREPARING VARIOUS METALS AND DERIVATIVES THEREOF FROM COPPER- AND SULFUR-CONTAINING MATERIAL
    6.
    发明公开
    PROCESSES FOR PREPARING VARIOUS METALS AND DERIVATIVES THEREOF FROM COPPER- AND SULFUR-CONTAINING MATERIAL 审中-公开

    公开(公告)号：EP3341501A4

    公开(公告)日：2018-07-25

    申请号：EP16838152

    申请日：2016-08-19

    申请人： 5N PLUS INC

    发明人： COURSOL PASCAL ,  SHIJUN WU

    IPC分类号： C22B9/10 ,  C22B7/00 ,  C22B15/02 ,  C22B23/06 ,  C22B30/00 ,  C22B41/00

    CPC分类号： C22B7/02 ,  C22B7/001 ,  C22B9/10 ,  C22B15/0032 ,  C22B23/02 ,  C22B30/00 ,  C22B41/00 ,  Y02P10/214

    摘要： The processes of the present disclosure can comprise feeding a furnace with a raw material chosen from a copper-containing material, a nickel-containing material, a cobalt-containing material and mixtures thereof. These materials can be quite complex and contain various levels of impurities and valuable metals (base metals, precious metals, platinum group metals, minor metals). The processes allow the volatilization of arsenic and indium contained therein, thereby obtaining a material at least partially depleted in at least one of arsenic and indium, wherein before volatilizing the material, composition of the material is optionally modified so as to obtain a ratio % S/(%(Cu/2)+%Ni+%Co) of about 0.5 to about 2. The processes can comprise feeding a melting device with the depleted material, and with a source of carbon in order to obtain a multi-layer product and an off gas, wherein before melting the depleted material, the depleted material composition is optionally modified so as to obtain a ratio % S/(% (Cu/2)+%Ni+%Co) of about 0.5 to about 2. While one of the main purposes of the processes of the present disclosure is to recover Cu, Ni and Co from complex materials, it also provides a means of recovering several other metals, including In, Ge, Pb, Bi, precious metals and platinum group metals. Cu, Ni, Co and other metals are conveniently recovered in different products from the processes (gaseous, dust, slag, matte, speiss and metal).