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    A PROCESS FOR RECOVERING GOLD FROM ORES
    2.
    发明申请
    A PROCESS FOR RECOVERING GOLD FROM ORES 审中-公开

    公开(公告)号：US20190292628A1

    公开(公告)日：2019-09-26

    申请号：US16302204

    申请日：2017-05-17

    Applicant: BROMINE COMPOUNDS LTD. ,  TENOVA ADVANCED TECHNOLOGIES LTD

    Inventor： Keren LARMOUR-SHIP ,  Tal FABIAN ,  Alan MILLER ,  Sharon KRUMBEIN RUBIN ,  Elizabeta SHANDALOV ,  Mira BERGSTEIN FREIBERG

    IPC: C22B3/00

    Abstract: A process for recovering gold from a gold-containing raw material, comprising leaching the gold-containing material with an aqueous solution comprising elemental bromine and bromide source to form a pregnant leach solution with the gold dissolved therein; separating said pregnant leach solution from the gold-depleted raw material, removing elemental bromine from said pregnant leach solution, extracting the gold from the pregnant leach solution in an acidic environment into an organic extractant, to form a gold-loaded extract and bromide-containing raffmate, stripping the extract with an alkaline aqueous solution to form a gold-bearing aqueous solution, generating gold (Au0) and treating bromide-containing stream(s) to produce recyclable elemental bromine.

    PROCESS FOR PRODUCING LITHIUM SALTS
    4.
    发明申请
    PROCESS FOR PRODUCING LITHIUM SALTS 审中-公开

    公开(公告)号：WO2023017348A1

    公开(公告)日：2023-02-16

    申请号：PCT/IB2022/056964

    申请日：2022-07-28

    Applicant: TENOVA ADVANCED TECHNOLOGIES LTD.

    Inventor： JABLONKA, Mark Stephen ,  DEE NOOR, Ziv ,  AHARON, Hani

    IPC: C22B3/04 ,  C22B3/26 ,  C22B3/40 ,  C22B26/12 ,  C25C1/02

    Abstract: A process for producing a purified aqueous lithium (sulfate) solution including: processing a lithium-containing raw material to produce a crude aqueous solution containing lithium sulfate; contacting the crude solution with an organic medium, in an extraction step to produce a lithium-loaded organic medium and a raffinate; stripping said lithium-loaded organic medium by means of an aqueous acid stripping solution (e.g., sulfuric acid), to extract the lithium cations from the lithium-loaded medium, to produce: the purified aqueous lithium (sulfate) solution and a stripped organic medium; separating the purified lithium solution from the stripped organic medium; recycling the stripped organic medium to the extraction step, the organic medium including the stripped organic medium; subjecting the raffinate to electrolysis to produce: an alkali (sodium) hydroxide solution contaminated with lithium and a sulfuric acid stream; and recycling the alkali hydroxide and sulfuric acid streams for use within the process.

    Process for Producing Lithium Salts
    5.
    发明公开
    Process for Producing Lithium Salts 审中-公开

    公开(公告)号：US20230175100A1

    公开(公告)日：2023-06-08

    申请号：US18103075

    申请日：2023-01-30

    Applicant: Tenova Advanced Technologies Ltd.

    Inventor： Mark Stephen JABLONKA ,  Ziv DEE NOOR ,  Hani AHARON

    IPC: C22B26/12 ,  C22B3/08 ,  C25D1/02

    CPC classification number: C22B26/12 ,  C22B3/08 ,  C25D1/02

    Abstract: A process for producing a purified aqueous lithium (sulfate) solution including: processing a lithium-containing raw material to produce a crude aqueous solution containing lithium sulfate; contacting the crude solution with an organic medium, in an extraction step to produce a lithium-loaded organic medium and a raffinate; stripping said lithium-loaded organic medium by means of an aqueous acid stripping solution (e.g., sulfuric acid), to extract the lithium cations from the lithium-loaded medium, to produce: the purified aqueous lithium (sulfate) solution and a stripped organic medium; separating the purified lithium solution from the stripped organic medium; recycling the stripped organic medium to the extraction step, the organic medium including the stripped organic medium; subjecting the raffinate to electrolysis to produce: an alkali (sodium) hydroxide solution contaminated with lithium and a sulfuric acid stream; and recycling the alkali hydroxide and sulfuric acid streams for use within the process.

    A PROCESS FOR RECOVERING GOLD FROM ORES
    9.
    发明申请
    A PROCESS FOR RECOVERING GOLD FROM ORES 审中-公开
    从ORES回收黄金的过程

    公开(公告)号：WO2017199254A1

    公开(公告)日：2017-11-23

    申请号：PCT/IL2017/050553

    申请日：2017-05-17

    Applicant: BROMINE COMPOUNDS LTD. ,  TENOVA ADVANCED TECHNOLOGIES LTD

    Inventor： LARMOUR-SHIP, Keren ,  FABIAN, Tal ,  MILLER, Alan ,  KRUMBEIN RUBIN, Sharon ,  SHANDALOV, Elizabeta ,  BERGSTEIN FREIBERG, Mira

    IPC: C22B3/26 ,  C22B3/38 ,  C22B3/10 ,  C22B3/00 ,  C22B3/44

    Abstract: A process for recovering gold from a gold-containing raw material, comprising leaching the gold-containing material with an aqueous solution comprising elemental bromine and bromide source to form a pregnant leach solution with the gold dissolved therein; separating said pregnant leach solution from the gold-depleted raw material, removing elemental bromine from said pregnant leach solution, extracting the gold from the pregnant leach solution in an acidic environment into an organic extractant, to form a gold-loaded extract and bromide-containing raffinate, stripping the extract with an alkaline aqueous solution to form a gold-bearing aqueous solution, generating gold (Au 0 ) and treating bromide-containing stream(s) to produce recyclable elemental bromine.

    Abstract translation: 一种从含金原料中回收金的方法，包括用包含元素溴和溴源的水溶液浸出含金材料以形成其中溶解有金的孕浸提液; 从所述贫金原料中分离所述富浸提液，从所述富浸提液中除去元素溴，在酸性环境中将所述富金浸提液中的金提取成有机提取剂，形成含金提取物和含溴化物 提余液，用碱性水溶液汽提提取物以形成含金的水溶液，产生金（Au 0）和处理含溴化物的物流以产生可再循环的元素溴。

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