JPS53112903A - Heat dehydration of brown coal - Google Patents
Heat dehydration of brown coalInfo
- Publication number
- JPS53112903A JPS53112903A JP2721677A JP2721677A JPS53112903A JP S53112903 A JPS53112903 A JP S53112903A JP 2721677 A JP2721677 A JP 2721677A JP 2721677 A JP2721677 A JP 2721677A JP S53112903 A JPS53112903 A JP S53112903A
- Authority
- JP
- Japan
- Prior art keywords
- brown coal
- heat dehydration
- dehydration
- subjecting
- thereafter
- 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.)
- Pending
Links
Abstract
PURPOSE: To improve the dehydration degree of brown coal, by dehydrating raw brown coal powder in a fluid medium such as superheated steam, etc., at high temperature and pressure, and thereafter, subjecting the treated brown coal to the secondary dehydration by passing the decomposition gas therethrough.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2721677A JPS53112903A (en) | 1977-03-12 | 1977-03-12 | Heat dehydration of brown coal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2721677A JPS53112903A (en) | 1977-03-12 | 1977-03-12 | Heat dehydration of brown coal |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS53112903A true JPS53112903A (en) | 1978-10-02 |
Family
ID=12214895
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2721677A Pending JPS53112903A (en) | 1977-03-12 | 1977-03-12 | Heat dehydration of brown coal |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS53112903A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4395334A (en) * | 1981-03-31 | 1983-07-26 | Electric Power Development Co. Ltd. | Treatment of waste water in non-evaporating dehydration of low grade coal |
WO1983002936A1 (en) * | 1982-02-22 | 1983-09-01 | Matsumura, Tetsuo | Process for liquefying brown coal |
US4403996A (en) * | 1982-02-10 | 1983-09-13 | Electric Power Development Co. | Method of processing low rank coal |
JPS5947292A (en) * | 1982-09-10 | 1984-03-16 | Toyo Eng Corp | Liquefaction of water-containing coal |
JP2007536392A (en) * | 2004-05-03 | 2007-12-13 | エバーグリーン エナジー インコーポレイテッド | Method and apparatus for thermal enhancement of carbonaceous materials |
-
1977
- 1977-03-12 JP JP2721677A patent/JPS53112903A/en active Pending
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4395334A (en) * | 1981-03-31 | 1983-07-26 | Electric Power Development Co. Ltd. | Treatment of waste water in non-evaporating dehydration of low grade coal |
US4403996A (en) * | 1982-02-10 | 1983-09-13 | Electric Power Development Co. | Method of processing low rank coal |
WO1983002936A1 (en) * | 1982-02-22 | 1983-09-01 | Matsumura, Tetsuo | Process for liquefying brown coal |
JPS5947292A (en) * | 1982-09-10 | 1984-03-16 | Toyo Eng Corp | Liquefaction of water-containing coal |
JPH0435518B2 (en) * | 1982-09-10 | 1992-06-11 | Toyo Enjiniaringu Kk | |
JP2007536392A (en) * | 2004-05-03 | 2007-12-13 | エバーグリーン エナジー インコーポレイテッド | Method and apparatus for thermal enhancement of carbonaceous materials |
US7842107B2 (en) | 2004-05-03 | 2010-11-30 | Evergreen Energy Inc. | Method and apparatus for thermally upgrading carbonaceous materials |
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