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公开(公告)号：NO964326A
公开(公告)日：1996-12-10
申请号：NO964326
申请日：1996-10-11
Applicant: TECH RESOURCES PTY LTD
Inventor： HOLLITT MICHAEL JOHN
IPC: C01G23/04 , C22B3/04 , C22B3/14 , C22B34/12 , C01G23/047 , C01G23/053 , C22B3/12 , C22B3/22 , C22B3/44
CPC classification number: C22B34/1259 , C22B3/12 , C22B34/1254 , Y02P10/234
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公开(公告)号：OA9979A
公开(公告)日：1996-03-29
申请号：OA60395
申请日：1993-07-22
Applicant: TECH RESOURCES PTY LTD
Inventor： HOLLITT MICHAEL JOHN , MCLELLAND ROSS ALEXANDER
IPC: C01B7/01 , C01B7/03 , C01B7/07 , C01B13/34 , C01G23/053 , C01G49/04 , C22B1/02 , C22B3/02 , C22B3/04 , C23G1/36 , C23G3/00 , C22B3/10
CPC classification number: C23G1/36 , C01B7/035 , C01B7/0737 , C01B13/34 , C01G23/0536 , C01G49/04 , C01P2002/72 , C01P2004/03 , C01P2004/32 , C01P2004/52 , C22B1/02 , C22B3/02 , Y02P10/216 , Y02P10/234
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公开(公告)号：OA09979A
公开(公告)日：1996-03-29
申请号：OA60395
申请日：1993-07-22
Applicant: TECH RESOURCES PTY LTD
Inventor： HOLLITT MICHAEL JOHN , MCLELLAND ROSS ALEXANDER
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公开(公告)号：NO960917D0
公开(公告)日：1996-03-06
申请号：NO960917
申请日：1996-03-06
Applicant: TECH RESOURCES PTY LTD
Inventor： MCCLELLAND ROSS ALEXANDER , HOLLITT MICHAEL JOHN
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公开(公告)号：ZA953046B
公开(公告)日：1996-01-15
申请号：ZA953046
申请日：1995-04-13
Applicant: TECH RESOURCES PTY LTD
Inventor： MCCLELLAND ROSS ALEXANDER , HOLLITT MICHAEL JOHN
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Patent Agency Ranking
公开(公告)号：ZA9503046B
公开(公告)日：1996-01-15
申请号：ZA9503046
申请日：1995-04-13
Applicant: TECH RESOURCES PTY LTD
Inventor： MCCLELLAND ROSS ALEXANDER , HOLLITT MICHAEL JOHN
CPC classification number: C22B34/124 , C22B3/06 , C22B34/1209 , C22B34/1213 , Y02P10/234
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公开(公告)号：ZA9503045B
公开(公告)日：1996-01-05
申请号：ZA9503045
申请日：1995-04-13
Applicant: TECH RESOURCES PTY LTD
Inventor： HOLLITT MICHAEL JOHN
CPC classification number: C22B34/1259 , C22B3/12 , C22B34/1254 , Y02P10/234
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公开(公告)号：AU2209595A
公开(公告)日：1995-11-10
申请号：AU2209595
申请日：1995-04-13
Applicant: TECH RESOURCES PTY LTD
Inventor： HOLLITT MICHAEL JOHN
IPC: C01G23/047 , C01G23/053 , C22B3/12 , C22B3/20 , C22B3/22 , C22B3/44 , C22B34/12
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公开(公告)号：NO954419D0
公开(公告)日：1995-11-03
申请号：NO954419
申请日：1995-11-03
Applicant: TECH RESOURCES PTY LTD
Inventor： HOLLITT MICHAEL JOHN , MCCLELLAN ROSS ALEXANDER
Abstract: PCT No. PCT/AU94/00241 Sec. 371 Date Apr. 1, 1996 Sec. 102(e) Date Apr. 1, 1996 PCT Filed May 9, 1994 PCT Pub. No. WO94/26944 PCT Pub. Date Nov. 24, 1994A process for removing impurities from a titaniferous material that has been subjected to thermal reduction and which includes a titaniferous phase of general formula M3O5. The thermally reduced titaniferous material is subjected to a secondary heat treatment to covert the M3O5 phase to a more readily leachable M2O3 phase. This material is then cooled and leached in an aqueous acid solution containing hydrochloric acid or sulfuric acid, and the leachate is separated from the titaniferous material to form a purified titaniferous material.
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公开(公告)号：CA2187893A1
公开(公告)日：1995-10-26
申请号：CA2187893
申请日：1995-04-13
Applicant: TECH RESOURCES PTY LTD
Inventor： HOLLITT MICHAEL JOHN
Abstract: An industrially realistic process for alkaline leaching of a titaniferous material is disclosed. The process comprises the following process steps: (I) leaching the titaniferous material with an alkaline leachant to bring impurities in the titaniferous material into solution; and (II) treating the leachant to enhance the effectiveness of the leachant in the removal of impurities in step (I). In particular, step (II) may involve the heating of the leachant or adding additives suck as sodium silicate or lime to cause the precipitation of alumina and silica.
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