发明名称 |
Method of neutralization and new application of residues obtained during production of titanium dioxide using sulphate method |
摘要 |
Production of titanium dioxide by the sulfate process involving decomposing titanium-containing raw material with sulfuric acid and filtering the decomposition residue in a membrane chamber filter press, is such that the residue-containing filter cake is neutralized in the press with a basic-reacting solution or suspension. |
申请公布号 |
PL209906(B1) |
申请公布日期 |
2011.11.30 |
申请号 |
PL20040364620 |
申请日期 |
2004.01.28 |
申请人 |
SACHTLEBEN CHEMIE GMBH |
发明人 |
KRETSCHMER MATTHIAS;RONKHOLZ HORST;WEFERS WILHELM-FRIEDRICH;KUNA GUENTER;WAGNER HARTMUT |
分类号 |
C22B34/12;C01G23/053;C22B7/00 |
主分类号 |
C22B34/12 |
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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