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    A METHOD OF TREATING POTASH
    11.
    发明专利
    A METHOD OF TREATING POTASH 未知

    公开(公告)号：CA2680182A1

    公开(公告)日：2008-09-12

    申请号：CA2680182

    申请日：2008-03-06

    Applicant: TECH RESOURCES PTY LTD

    Inventor： BATTERHAM ROBIN JOHN ,  SHAW RAYMOND WALTER

    IPC: C01D3/04 ,  B01D9/00 ,  B01D61/00 ,  C01D3/06 ,  C01D3/08 ,  C01D3/14 ,  C01D3/16

    Abstract: A method of separating potassium chloride and sodium chloride from a heat ed solution of these salts, such as a solution obtained from potash ore, to recover potassium chloride from the ore is disclosed. The method includes a combination of steps of (a) extracting water from a heated solution containi ng potassium chloride and sodium chloride using a membrane system and (b) su bsequently cooling the solution discharged from the membrane system, whereby steps (a) and (b) make it possible to selectively recover potassium chlorid e and sodium chloride from the solution.

    12.
    发明专利
    未知

    公开(公告)号：BRPI0507748A

    公开(公告)日：2007-07-10

    申请号：BRPI0507748

    申请日：2005-02-16

    Applicant: TECH RESOURCES PTY LTD

    Inventor： SHAW RAYMOND WALTER

    IPC: C22B3/36 ,  C22B3/04 ,  C22B3/26 ,  C22B3/28 ,  C22B21/00

    Abstract: A process of producing aluminium and aluminium-containing materials from a solid aluminium-containing feed material is disclosed. The process comprises leaching the aluminium-containing feed material with a leach liquor and forming an aqueous solution containing aluminium ions, extracting aluminium ions from the aqueous solution by contacting the aqueous solution with an organic reagent and loading aluminium ions onto the organic reagent and forming an aluminium complex, and recovering aluminium or an aluminium-containing material from the aluminium complex.

    RECOVERY OF COPPER FROM CHALCOPYRITE
    16.
    发明专利
    RECOVERY OF COPPER FROM CHALCOPYRITE 未知

    公开(公告)号：CA2465509A1

    公开(公告)日：2003-05-08

    申请号：CA2465509

    申请日：2002-10-29

    Applicant: TECH RESOURCES PTY LTD

    Inventor： ESDAILE LUCY ,  SHAW RAYMOND WALTER ,  HARMER SARAH LOUISE ,  GERSON ANDREA RUTH ,  THOMAS JOAN ELIZABETH

    IPC: C22B3/04 ,  C22B3/18 ,  C22B15/00

    Abstract: A process for recovering copper from chalcopyrite is disclosed. The process includes oxidising sulphur in chalcopyrite with a solution under predetermin ed contact conditions and thereby releasing at least part of the copper in the chalcopyrite into the solution as copper ions. The process includes a subsequent step of reducing sulphur in a solid product from step (a) to a minus two, ie. sulphide, valence state with a solution under predetermined contact conditions. The process further includes a subsequent step of oxidising sulphur in a solid product from step (b) with a solution under predetermined contact conditions and thereby releasing at least part of the remaining copper in the solid product into the solution as copper ions. The process further includes recovering copper from one or more of the solutions from steps (a) and (c).

    Heap leaching
    17.
    发明专利
    Heap leaching 未知

    公开(公告)号：AU2003229403C1

    公开(公告)日：2012-12-20

    申请号：AU2003229403

    申请日：2003-05-30

    Applicant: TECH RESOURCES PTY LTD

    Inventor： SHAW RAYMOND WALTER ,  ESDAILE LUCY ,  BATTERHAM ROBIN JOHN

    IPC: C22B3/04 ,  C22B3/06 ,  C22B3/08 ,  C22B3/10 ,  C22B3/12 ,  C22B3/14 ,  C22B3/16 ,  C22B3/18

    Abstract: A method of leaching a metal value from a heap of a metal-containing ore and a heap leaching operation are disclosed. The method includes establishing a downward flow of a leach liquor through a section of the heap by supplying the leach liquor onto a top surface of the section and allowing the leach liquor (containing metal values in solution) to drain from a lower part of the section. The method is characterised by supplying the leach liquor onto the top surface of the section at a flow rate that is sufficient so that the downwardly flowing leach liquor saturates the section of the heap.

    20.
    发明专利
    未知

    公开(公告)号：BRPI0516852A

    公开(公告)日：2008-09-23

    申请号：BRPI0516852

    申请日：2005-09-30

    Applicant: TECH RESOURCES PTY LTD

    Inventor： SHAW RAYMOND WALTER

    IPC: C22B1/00

    Abstract: A method and an assembly for treating minerals using microwave energy are disclosed. The method includes exposing a moving bed, preferably a mixed moving bed, of mineral particles to pulsed high energy microwave energy so that at least substantially all particles receive at least some exposure to microwave energy.

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