| 发明名称 |
Sulfur dioxide regeneration of superacid catalyst |
| 摘要 |
A process for regeneration of spent sulfated and calcined solid superacid catalyst is disclosed. Said process comprises heating said catalyst to a temperature of approximately 450 DEG C. and contacting said catalyst with a gas stream comprising oxygen or air and sulfur dioxide. This regeneration process can be performed in situ.
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| 申请公布号 |
US5362694(A) |
申请公布日期 |
1994.11.08 |
| 申请号 |
US19930039716 |
申请日期 |
1993.03.30 |
| 申请人 |
SUN COMPANY, INC. (R&M) |
发明人 |
HOLLSTEIN, ELMER J.;HSU, CHAO-YANG |
| 分类号 |
B01J27/053;B01J27/30;B01J38/12;C07B61/00;C07C5/27;C07C9/12;(IPC1-7):B01J27/30;B01J31/12;C07C5/13 |
主分类号 |
B01J27/053 |
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