发明名称 |
Preparation for Tio2 powders from a waste liquid containing titanium compounds |
摘要 |
Process for preparing TiO2 powders starting from a liquid comprising chlorinated titanium compounds, the process comprising: a) atomizing said liquid and reacting the atomized liquid with a flow of steam and air at a temperature of 100-250° C. for converting said chlorinated titanium compounds to titanium dioxide TiO2; b) the gaseous phase and the entrained TiO2 powders obtained from step a) are then fed to an oven operated at a temperature in the range 400-900° C. to remove the residual organic compounds and hydrochloridic acid from said powders.
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申请公布号 |
US7780931(B2) |
申请公布日期 |
2010.08.24 |
申请号 |
US20050667343 |
申请日期 |
2005.11.03 |
申请人 |
BASELL POLIOLEFINE ITALIA S.R.L. |
发明人 |
FAIT ANNA;ARLETTI ARRIGO;CAIAZZO LUCIA |
分类号 |
C01G23/047;C01G23/053;C01G23/07;C01G23/08 |
主分类号 |
C01G23/047 |
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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