发明名称 |
Process for the pyrogenic production of finely divided oxide of a metal and/or a metalloid |
摘要 |
There is provided a pyrogenic process for the production of finely divided oxide of a metal and/or a metalloid in which there is employed as the starting material a vaporizable halogen compound of a metal and/or metalloid. Because of the starting material there is formed elemental halogen which is an impurity in the oxide formed. To remove the halogen there is supplied to the cooling section of the production plant a mixture of hydrogen and inert gas.
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申请公布号 |
US4347229(A) |
申请公布日期 |
1982.08.31 |
申请号 |
US19800156082 |
申请日期 |
1980.06.03 |
申请人 |
DEGUSSA AKTIENGESELLSCHAFT |
发明人 |
SCHMID, JOSEF;LANGE, LUDWIG;KLEBE, HANS;SCHUTTE, DIETER |
分类号 |
C01B7/01;C01B13/20;C01B13/22;C01B13/24;C01B33/12;C01B33/16;C01B33/18;(IPC1-7):C01B33/11;C01F7/02;C01G23/04;C01G17/02 |
主分类号 |
C01B7/01 |
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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