发明名称 |
METHOD FOR PURIFYING TIO2 ORE |
摘要 |
Process for purifying TiO2 ore consisting essentially of subjecting the ore to two or more leaching treatments, said leaching treatments alternating between use of an aqueous solution of a mineral acid and an aqueous solution of an alkali metal compound selected from the group consisting essentially of alkali metal carbonates, hydroxides or mixtures thereof. |
申请公布号 |
AU3900289(A) |
申请公布日期 |
1990.02.01 |
申请号 |
AU19890039002 |
申请日期 |
1989.07.27 |
申请人 |
E.I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
TZE CHAO;GEORGE HENRY SENKLER JR. |
分类号 |
C22B3/06;C22B3/14;C22B34/12 |
主分类号 |
C22B3/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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