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    A process for producing purified titaniferous material
    12.
    发明专利
    A process for producing purified titaniferous material 未知

    公开(公告)号：IN190922B

    公开(公告)日：2003-09-06

    申请号：IN462CA1993

    申请日：1993-08-13

    Applicant: TECH RESOURCES PTY LTD

    Inventor： HOLLITT MICHAEL JOHN ,  MCCLELLAND ROSS ALEXANDER ,  TUFFLEY JOHN ROGER

    IPC: C22B1/02 ,  C22B1/243 ,  C22B3/10 ,  C22B34/12 ,  C22C38/28

    Abstract: The application discloses a process for upgrading a titaniferous material by removal of impurities contained in the material especially radionuclides. The process involves heating the titaniferous material to a temperature of less than 1300° C. to form a solid titaniferous phase and a liquid oxide or glassy phase in the presence of a material that promotes the formations of such phases, cooling the product at a rate that maintains the glassy phase in an amorphous state and leaching the solidified material with an acid or an alkali to remove the impurities. Materials that promote the formation of the desired phases include compounds of alkali metals and boron. Examples include borax, caustic soda, soda ash and silica.

    14.
    发明专利
    未知

    公开(公告)号：AT167951T

    公开(公告)日：1998-07-15

    申请号：AT93917450

    申请日：1993-08-13

    Applicant: TECH RESOURCES PTY LTD

    Inventor： HOLLITT MICHAEL JOHN ,  MCCLELLAND ROSS ALEXANDER ,  LIDDY MATTHEW JON ,  HART KAYE PATRICIA ,  MCGLINN PETER JOHN

    IPC: G21F9/14 ,  G21F9/16

    Abstract: PCT No. PCT/AU93/00413 Sec. 371 Date Apr. 10, 1995 Sec. 102(e) Date Apr. 10, 1995 PCT Filed Aug. 13, 1993 PCT Pub. No. WO94/05015 PCT Pub. Date Mar. 3, 1994The specification discloses a process for stabilizing radionuclides extracted during the upgrading of minerals. The process comprises forming a composition of a radionuclide and a component and roasting the composition so that the component forms a crystalline phase having a structure that binds the radionuclides. Suitable components include a compound of a lanthanide and/or phosphorus and zirconia. Zirconia in its cubic form is useful in stabilizing uranium and thorium.

    Stabilisation of radionuclides into wastes
    18.
    发明专利
    Stabilisation of radionuclides into wastes 未知

    公开(公告)号：ZA935962B

    公开(公告)日：1994-06-21

    申请号：ZA935962

    申请日：1993-08-13

    Applicant: TECH RESOURCES PTY LTD

    Inventor： HOLLITT MICHAEL JOHN ,  MCCLELLAND ROSS ALEXANDER ,  LIDDY MATTHEW JOHN ,  HART KAYE PATRICIA ,  MCGLINN PETER JOHN

    IPC: G21F9/14 ,  G21F9/16 ,  G21F

    Abstract: PCT No. PCT/AU93/00413 Sec. 371 Date Apr. 10, 1995 Sec. 102(e) Date Apr. 10, 1995 PCT Filed Aug. 13, 1993 PCT Pub. No. WO94/05015 PCT Pub. Date Mar. 3, 1994The specification discloses a process for stabilizing radionuclides extracted during the upgrading of minerals. The process comprises forming a composition of a radionuclide and a component and roasting the composition so that the component forms a crystalline phase having a structure that binds the radionuclides. Suitable components include a compound of a lanthanide and/or phosphorus and zirconia. Zirconia in its cubic form is useful in stabilizing uranium and thorium.

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