发明名称 |
A PROCESS FOR REMOVING EXTRACTABLE CONSTITUENTS FROM CARBON BLACKS |
摘要 |
A process for removing extractables from carbon blacks in a fluidized bed, wherein low extractable carbon blacks are treated under relatively mild temperature conditions (320 DEG C.) with an oxygen containing gas and high extractable carbon blacks are treated first at 100 DEG -320 DEG C. with steam and then at 200 DEG -500 DEG C. with an oxygen containing gas. A definition of classification in the "low extractable" and "high extractable" categories is given. |
申请公布号 |
GB2101983(A) |
申请公布日期 |
1983.01.26 |
申请号 |
GB19820013905 |
申请日期 |
1982.05.13 |
申请人 |
* DEGUSSA AG |
发明人 |
DR REINHOLD * RECK;DR MANFRED * VOLL;DR GERHARD * KUHNER;DR PETER * KLEINSCHMIT |
分类号 |
B01D11/02;B01J8/26;C01B31/02;C09C1/00;C09C1/56;(IPC1-7):09C1/56 |
主分类号 |
B01D11/02 |
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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