JPS56145986A - Dehydration of moisture-containing coal - Google Patents
Dehydration of moisture-containing coalInfo
- Publication number
- JPS56145986A JPS56145986A JP4871780A JP4871780A JPS56145986A JP S56145986 A JPS56145986 A JP S56145986A JP 4871780 A JP4871780 A JP 4871780A JP 4871780 A JP4871780 A JP 4871780A JP S56145986 A JPS56145986 A JP S56145986A
- Authority
- JP
- Japan
- Prior art keywords
- slurry
- contg
- coal
- moisture
- solvent
- 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
Abstract
PURPOSE: To dehydrate moisture-contg. coal at a high dehydration efficiency, by heating the moisture-contg. coal together with a solvent and a dehydrated slurry obtd. from the present process, separating the resulting mixture into a vapor phase contg. steam and a slurry by means of gas-liquid separation and recycling part of the dehydrated slurry for reuse.
CONSTITUTION: A moisture-contg. coal such as caking coal or brown coal contg. about 10wt% or more moisture and a solvent are mixed in a coal to solvent wt. ratio of 1/0.7W1/10, and crushed by crusher 1, to form a slurry. In slurry tank 2, one part of the slurry is mixed with about 0.2W10pts. of a dehydrated slurry obtd. from the present process, and the resulting slurry mixture is heated to 100W350°C in furnace 3, and separated into a gas phase contg. steam and the purpose dehydrated slurry. The gas phase is led to still 5, where a heavy oil is recovered. The solvent is recovered in water separator 6, and part of the dehydrated slurry is returned to the slurry tank 2 and recycled to be reused.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4871780A JPS56145986A (en) | 1980-04-15 | 1980-04-15 | Dehydration of moisture-containing coal |
US06/248,693 US4344837A (en) | 1980-04-15 | 1981-03-30 | Process for the dehydration and liquefaction of water-containing coal |
AU68952/81A AU534387B2 (en) | 1980-04-15 | 1981-03-31 | Dehydration and liquefaction of water-bearing coal |
CA000375423A CA1166179A (en) | 1980-04-15 | 1981-04-14 | Process for the dehydration and liquefaction of water- containing coal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4871780A JPS56145986A (en) | 1980-04-15 | 1980-04-15 | Dehydration of moisture-containing coal |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS56145986A true JPS56145986A (en) | 1981-11-13 |
JPH0141677B2 JPH0141677B2 (en) | 1989-09-06 |
Family
ID=12811043
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4871780A Granted JPS56145986A (en) | 1980-04-15 | 1980-04-15 | Dehydration of moisture-containing coal |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56145986A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5893795A (en) * | 1981-11-30 | 1983-06-03 | Mitsui Sekitan Ekika Kk | Dehydration of brown coal |
JPS58136690A (en) * | 1982-02-06 | 1983-08-13 | Mitsui Sekitan Ekika Kk | Preparation of low-ash coke |
-
1980
- 1980-04-15 JP JP4871780A patent/JPS56145986A/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5893795A (en) * | 1981-11-30 | 1983-06-03 | Mitsui Sekitan Ekika Kk | Dehydration of brown coal |
JPS58136690A (en) * | 1982-02-06 | 1983-08-13 | Mitsui Sekitan Ekika Kk | Preparation of low-ash coke |
Also Published As
Publication number | Publication date |
---|---|
JPH0141677B2 (en) | 1989-09-06 |
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