Title:
HYDROTREATING PROCESS FOR RESIDUAL OIL
Document Type and Number:
WIPO Patent Application WO/1999/061557
Kind Code:
A1
Abstract:
A hydrotreating process for a residual oil, more particularly, a process comprising hydrotreating a residual oil using a regenerated catalyst as a part of the catalyst for use in the process, wherein a hydrotreatment comprises denitrification and desulfurization, characterized in that it comprises passing the residual oil through a layer consisting solely of or containing as a part a regenerated catalyst which layer is arranged in a specific manner between new catalyst layers. The specific arrangement of a regenerated catalyst according to the invention allows a hydrotreatment as satisfactory as that using a new catalyst alone, resulting in providing an effective and advantageous use of a used catalyst.
Inventors:
IWAMOTO RYUICHIRO (JP)
NOZAKI TAKAO (JP)
NOZAKI TAKAO (JP)
Application Number:
PCT/JP1999/002743
Publication Date:
December 02, 1999
Filing Date:
May 25, 1999
Export Citation:
Assignee:
IDEMITSU KOSAN CO (JP)
IWAMOTO RYUICHIRO (JP)
NOZAKI TAKAO (JP)
IWAMOTO RYUICHIRO (JP)
NOZAKI TAKAO (JP)
International Classes:
C10G45/04; C10G49/00; C10G65/04; (IPC1-7): C10G45/04
Foreign References:
| JPH083570A | 1996-01-09 | |||
| JPH04224891A | 1992-08-14 | |||
| JPS6289793A | 1987-04-24 | |||
| JPS58225190A | 1983-12-27 | |||
| JPS5879092A | 1983-05-12 |
Attorney, Agent or Firm:
Tohei, Masamichi (Ltd. 24-4, Anesakikaigan Ichihara-shi Chiba, JP)
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