JPS57159883A - Heat treatment of heavy mineral oil - Google Patents
Heat treatment of heavy mineral oilInfo
- Publication number
- JPS57159883A JPS57159883A JP4548581A JP4548581A JPS57159883A JP S57159883 A JPS57159883 A JP S57159883A JP 4548581 A JP4548581 A JP 4548581A JP 4548581 A JP4548581 A JP 4548581A JP S57159883 A JPS57159883 A JP S57159883A
- Authority
- JP
- Japan
- Prior art keywords
- oil
- heavy
- mineral oil
- mixture
- recirculated
- 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 obtain good quality product pitch with reduced impurities suitable as a raw material for preparing carbon fiber or the like, by a method wherein a heavy mineral oil is thermally decomposed along with a recirculated mineral oil and steam and the obtained heavy oil is subjected to a two-stage separating operation.
CONSTITUTION: A raw heavy mineral oil 11 and a recirculated mineral oil 24 are introduced into a mixer 1 to be mixed therein and the resulting mixture is introduced into a heater 3 while steam 12 is added to said mixture to be heated to 400W580°C along with the steam and the heated mixture is subjected to pyrolysis in a reactor 4 at 370W470°C for 0.2W0.6hr. A light oil and a gas 16 produced therein are separated and the residual heavey mineral oil is introduced into a first separator 7 to separate decomposed heavy mineral oil in an amount 5W20wt. times as much as that of the row heavy oil and this separated oil is mixed with the raw heavy oil 11 as the recirculated heavy mineral oil. The residual decomposed heavy oil 20 is introduced into a second separator 9 to be separated into a product pictch 21 and a mixture 22 of the decompoed heavy oil and a coked substance.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4548581A JPS57159883A (en) | 1981-03-30 | 1981-03-30 | Heat treatment of heavy mineral oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4548581A JPS57159883A (en) | 1981-03-30 | 1981-03-30 | Heat treatment of heavy mineral oil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57159883A true JPS57159883A (en) | 1982-10-02 |
| JPS6325637B2 JPS6325637B2 (en) | 1988-05-26 |
Family
ID=12720697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4548581A Granted JPS57159883A (en) | 1981-03-30 | 1981-03-30 | Heat treatment of heavy mineral oil |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57159883A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003525310A (en) * | 1998-10-16 | 2003-08-26 | カーボン・リソーシーズ・リミテッド | Deep conversion combining demetallization and the conversion of crude, resid or heavy oils to light liquids with pure or impure oxygenated compounds |
-
1981
- 1981-03-30 JP JP4548581A patent/JPS57159883A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003525310A (en) * | 1998-10-16 | 2003-08-26 | カーボン・リソーシーズ・リミテッド | Deep conversion combining demetallization and the conversion of crude, resid or heavy oils to light liquids with pure or impure oxygenated compounds |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6325637B2 (en) | 1988-05-26 |
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