JPS5734185A - Separation of insoluble substance from coal liquefaction product - Google Patents
Separation of insoluble substance from coal liquefaction productInfo
- Publication number
- JPS5734185A JPS5734185A JP10835680A JP10835680A JPS5734185A JP S5734185 A JPS5734185 A JP S5734185A JP 10835680 A JP10835680 A JP 10835680A JP 10835680 A JP10835680 A JP 10835680A JP S5734185 A JPS5734185 A JP S5734185A
- Authority
- JP
- Japan
- Prior art keywords
- filtration
- diatomaceous earth
- coal
- product
- coal liquefaction
- 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
- Filtering Materials (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
PURPOSE: To efficiently accomplish the titled separation using a product obtd. by ashing a mixt. of an insouble substance and diatomaceous earth as a filtration auxiliary, in separating insolubles substance from a coal liquefaction product obtd. by heating coal slurry in pressurized hydrogen atmosphere.
CONSTITUTION: In a process for separating insoluble substances contg. unreacted coal and mineral materials from a coal liquefaction product obtd. by heating a slurry consisting of coal and a solvent in a pressurized hydrogen atmosphere by filtration, a product obtd. by ashing a mixt. of the insoluble substances and diatomaceous earth at 700W1,300°C is used as a filtration auxiliary. It is possible to continue filtration for a long time because the product has satisfactory noncompressibility like a conventional diatomaceous earth filtration auxiliary. It is possible to exceedingly reduce an amt. of the diatomaceous earth used because the diatomaceous earth once used for filtration can be reused according to this method.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10835680A JPS5734185A (en) | 1980-08-08 | 1980-08-08 | Separation of insoluble substance from coal liquefaction product |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10835680A JPS5734185A (en) | 1980-08-08 | 1980-08-08 | Separation of insoluble substance from coal liquefaction product |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5734185A true JPS5734185A (en) | 1982-02-24 |
JPS644559B2 JPS644559B2 (en) | 1989-01-26 |
Family
ID=14482641
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10835680A Granted JPS5734185A (en) | 1980-08-08 | 1980-08-08 | Separation of insoluble substance from coal liquefaction product |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5734185A (en) |
-
1980
- 1980-08-08 JP JP10835680A patent/JPS5734185A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS644559B2 (en) | 1989-01-26 |
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