JPS5730789A - Hydrotreating process for heavy oil - Google Patents
Hydrotreating process for heavy oilInfo
- Publication number
- JPS5730789A JPS5730789A JP10319180A JP10319180A JPS5730789A JP S5730789 A JPS5730789 A JP S5730789A JP 10319180 A JP10319180 A JP 10319180A JP 10319180 A JP10319180 A JP 10319180A JP S5730789 A JPS5730789 A JP S5730789A
- Authority
- JP
- Japan
- Prior art keywords
- outlet
- extraction
- column
- extracted
- liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
PURPOSE: To elongate the catalytic life and to reduce the hydrogen consumption in the hydrotreating process of a particular heavy oil in a fixed bed reactor, by successively changing the position for the extraction of liquid from and the position for the introduction of hydrogen to the intermediate part of the reaction column.
CONSTITUTION: Heavy stock oil contaning ≥1.0% of pentane-insoluble component and ≥50% of fractions having boiling point of ≥350°C is fed to the fixed bed reaction column 6 through the feed end, passed through the catalyst layers 7 and 8, and extracted from the outlet end of the column. At least a part of the extracted liquid is recycled to the feed end, and a part of the liquid is extracted as the product through the intermediate part of the reaction column 6. The catalyst layer of the feed end-side from the extraction position is kept at a temperature higher than that of the catalyst layer of the outlet-side by 10W18°C, and the hydrogen-containing gas is introduced into the column 6 at the outlet-side position of the extraction port. According to the lowering of the catalyst activity, the extraction position 12W15 and the gas-introduction position 2W5 are shifted successively from the inlet side 7 to the outlet side 8 of the catalyst layer.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10319180A JPS5937316B2 (en) | 1980-07-29 | 1980-07-29 | Heavy oil hydrotreatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10319180A JPS5937316B2 (en) | 1980-07-29 | 1980-07-29 | Heavy oil hydrotreatment method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5730789A true JPS5730789A (en) | 1982-02-19 |
| JPS5937316B2 JPS5937316B2 (en) | 1984-09-08 |
Family
ID=14347622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10319180A Expired JPS5937316B2 (en) | 1980-07-29 | 1980-07-29 | Heavy oil hydrotreatment method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5937316B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03292396A (en) * | 1990-04-10 | 1991-12-24 | Catalysts & Chem Ind Co Ltd | Method of hydrotreating kerosine or gas oil |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62182928U (en) * | 1986-05-12 | 1987-11-20 | ||
| JPS62263304A (en) * | 1986-05-12 | 1987-11-16 | 竹村 清 | Simple tieing obi |
-
1980
- 1980-07-29 JP JP10319180A patent/JPS5937316B2/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03292396A (en) * | 1990-04-10 | 1991-12-24 | Catalysts & Chem Ind Co Ltd | Method of hydrotreating kerosine or gas oil |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5937316B2 (en) | 1984-09-08 |
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