JPS57170999A - Device for chemical removal of ash from coal - Google Patents
Device for chemical removal of ash from coalInfo
- Publication number
- JPS57170999A JPS57170999A JP5742681A JP5742681A JPS57170999A JP S57170999 A JPS57170999 A JP S57170999A JP 5742681 A JP5742681 A JP 5742681A JP 5742681 A JP5742681 A JP 5742681A JP S57170999 A JPS57170999 A JP S57170999A
- Authority
- JP
- Japan
- Prior art keywords
- ash
- solution
- coal
- removing agent
- sent
- 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
- 239000003245 coal Substances 0.000 title abstract 7
- 239000000126 substance Substances 0.000 title 1
- 239000003795 chemical substances by application Substances 0.000 abstract 4
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 abstract 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- DDFHBQSCUXNBSA-UHFFFAOYSA-N 5-(5-carboxythiophen-2-yl)thiophene-2-carboxylic acid Chemical compound S1C(C(=O)O)=CC=C1C1=CC=C(C(O)=O)S1 DDFHBQSCUXNBSA-UHFFFAOYSA-N 0.000 abstract 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 abstract 1
- 230000002378 acidificating effect Effects 0.000 abstract 1
- 239000010802 sludge Substances 0.000 abstract 1
Landscapes
- Extraction Or Liquid Replacement (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5742681A JPS57170999A (en) | 1981-04-15 | 1981-04-15 | Device for chemical removal of ash from coal |
NZ199964A NZ199964A (en) | 1981-03-13 | 1982-03-09 | A process for chemically removing ash from coal |
US06/356,337 US4424062A (en) | 1981-03-13 | 1982-03-09 | Process and apparatus for chemically removing ash from coal |
GB8206972A GB2094830B (en) | 1981-03-13 | 1982-03-10 | Process and apparatus for chemically removing ash from coal with acid and nh4f |
DE3208704A DE3208704C2 (de) | 1981-03-13 | 1982-03-11 | Verfahren zur chemischen Entfernung der Asche aus Kohle sowie Vorrichtungen zur Durchführung dieses Verfahrens |
AU81348/82A AU532092B2 (en) | 1981-03-13 | 1982-03-12 | Deashing coal with acid ammonium chloride |
CA000398285A CA1169800A (en) | 1981-03-13 | 1982-03-12 | Process and apparatus for chemically removing ash from coal |
BR8201410A BR8201410A (pt) | 1981-03-13 | 1982-03-15 | Processo e aparelho para remover cinzas do carvao por meio quimico |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5742681A JPS57170999A (en) | 1981-04-15 | 1981-04-15 | Device for chemical removal of ash from coal |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57170999A true JPS57170999A (en) | 1982-10-21 |
JPS6259758B2 JPS6259758B2 (enrdf_load_stackoverflow) | 1987-12-12 |
Family
ID=13055322
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5742681A Granted JPS57170999A (en) | 1981-03-13 | 1981-04-15 | Device for chemical removal of ash from coal |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57170999A (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106281564A (zh) * | 2016-08-09 | 2017-01-04 | 华中科技大学 | 一种采用改性硅藻土控制燃煤超细颗粒物生成的方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52138089A (en) * | 1976-03-19 | 1977-11-17 | Still Carl Friedrich | Method of removing ash content from high ash content coal |
-
1981
- 1981-04-15 JP JP5742681A patent/JPS57170999A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52138089A (en) * | 1976-03-19 | 1977-11-17 | Still Carl Friedrich | Method of removing ash content from high ash content coal |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106281564A (zh) * | 2016-08-09 | 2017-01-04 | 华中科技大学 | 一种采用改性硅藻土控制燃煤超细颗粒物生成的方法 |
Also Published As
Publication number | Publication date |
---|---|
JPS6259758B2 (enrdf_load_stackoverflow) | 1987-12-12 |
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