发明名称 |
FOERFARANDE FOER FRAMSTAELLNING AV TITANDIOXIDPIGMENT. |
摘要 |
<p>1. A process for the production of TiO2 pigments by the sulfate method by digestion of titanium-containing raw materials with sulfuric acid, hydrolysis of the titanyl sulfate formed, purification of the hydrolyzate and calcination of the purified hydrolyzate in rotary kilns, characterized in that the calcination conditions are regulated by adjustment of the SO2 content of the waste calcination gases issuing from the rotary kiln.</p> |
申请公布号 |
FI873502(A0) |
申请公布日期 |
1987.08.12 |
申请号 |
FI19870003502 |
申请日期 |
1987.08.12 |
申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
BAYER, ECKHARD;LAILACH, GUENTER |
分类号 |
C01G23/053;C01G23/08;C22B34/12;(IPC1-7):C01G/ |
主分类号 |
C01G23/053 |
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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