发明名称 |
METHOD FOR REACTIVATING USED HYDROGENATION TREATMENT TITANIA CATALYST, AND REGENERATED HYDROGENATION TREATMENT TITANIA CATALYST |
摘要 |
Provided is a method of reactivating a used titania catalyst for hydrogenation treatment, capable of improving the catalytic activity of the used titania catalyst for hydrogenation treatment that is obtained by supporting a catalyst component on a titania support and exhibits reduced catalytic activity after having been used for hydrogenation treatment of a hydrocarbon oil, to a level comparable to that of a newly prepared fresh titania catalyst before use. The method of reactivating a used titania catalyst for hydrogenation treatment, the used titania catalyst for hydrogenation treatment being obtained by supporting a catalyst component on a titania support and exhibiting reduced catalytic activity after having been used for hydrogenation treatment of a hydrocarbon oil, includes: a coke removal step of removing a carbonaceous component on a surface of the used catalyst by heating the catalyst in an oxygen-containing gas atmosphere; an impregnation step of impregnating the carbonaceous component-removed catalyst obtained by the coke removal step with a saccharide-containing solution; and a drying step of drying the saccharide-impregnated catalyst obtained by the impregnation step, to obtain a catalyst in which a saccharide is supported. |
申请公布号 |
US2015202614(A1) |
申请公布日期 |
2015.07.23 |
申请号 |
US201314411083 |
申请日期 |
2013.05.16 |
申请人 |
CHIYODA CORPORATION |
发明人 |
Inoue Shinichi;Wada Yukitaka;Mutou Akihiro |
分类号 |
B01J38/52;B01J21/06;B01J27/28;B01J31/40;B01J21/20;B01J21/04;B01J31/38;B01J38/12;B01J27/19 |
主分类号 |
B01J38/52 |
代理机构 |
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代理人 |
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主权项 |
1. A method of reactivating a used titania catalyst for hydrogenation treatment, the used titania catalyst for hydrogenation treatment being obtained by supporting a catalyst component on a titania support and exhibiting reduced catalytic activity after having been used for hydrogenation treatment of a hydrocarbon oil,
the method comprising: a coke removal step of removing a carbonaceous component on a surface of the used catalyst by heating the catalyst in an oxygen-containing gas atmosphere; an impregnation step of impregnating the carbonaceous component-removed catalyst obtained by the coke removal step with a saccharide-containing solution; and a drying step of drying the saccharide-impregnated catalyst obtained by the impregnation step to obtain a catalyst in which a saccharide is supported. |
地址 |
Yokohama-shi, Kanagawa JP |