JPS57162791A - Chemical deashing method of coal - Google Patents

Chemical deashing method of coal

Info

Publication number
JPS57162791A
JPS57162791A JP4766281A JP4766281A JPS57162791A JP S57162791 A JPS57162791 A JP S57162791A JP 4766281 A JP4766281 A JP 4766281A JP 4766281 A JP4766281 A JP 4766281A JP S57162791 A JPS57162791 A JP S57162791A
Authority
JP
Japan
Prior art keywords
coal
ash
ammonium fluoride
acidic ammonium
aqueous solution
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
Application number
JP4766281A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6259757B2 (enExample
Inventor
Yasuyoshi Kamino
Shigenori Onizuka
Takanobu Watanabe
Katsumasa Yano
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kanadevia Corp
Original Assignee
Hitachi Zosen Corp
Hitachi Shipbuilding and Engineering Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Zosen Corp, Hitachi Shipbuilding and Engineering Co Ltd filed Critical Hitachi Zosen Corp
Priority to JP4766281A priority Critical patent/JPS57162791A/ja
Priority to NZ199964A priority patent/NZ199964A/xx
Priority to US06/356,337 priority patent/US4424062A/en
Priority to GB8206972A priority patent/GB2094830B/en
Priority to DE3208704A priority patent/DE3208704C2/de
Priority to AU81348/82A priority patent/AU532092B2/en
Priority to CA000398285A priority patent/CA1169800A/en
Priority to BR8201410A priority patent/BR8201410A/pt
Publication of JPS57162791A publication Critical patent/JPS57162791A/ja
Publication of JPS6259757B2 publication Critical patent/JPS6259757B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Extraction Or Liquid Replacement (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)
JP4766281A 1981-03-13 1981-03-30 Chemical deashing method of coal Granted JPS57162791A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP4766281A JPS57162791A (en) 1981-03-30 1981-03-30 Chemical deashing method of 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
JP4766281A JPS57162791A (en) 1981-03-30 1981-03-30 Chemical deashing method of coal

Publications (2)

Publication Number Publication Date
JPS57162791A true JPS57162791A (en) 1982-10-06
JPS6259757B2 JPS6259757B2 (enExample) 1987-12-12

Family

ID=12781469

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4766281A Granted JPS57162791A (en) 1981-03-13 1981-03-30 Chemical deashing method of coal

Country Status (1)

Country Link
JP (1) JPS57162791A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6026093A (ja) * 1983-07-22 1985-02-08 Hitachi Zosen Corp 脱灰炭の製造方法
JP2010202871A (ja) * 2009-02-27 2010-09-16 General Electric Co <Ge> 石炭発電装置の複合サイクル効率を向上するための脱水システム及び方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50151201A (enExample) * 1974-05-23 1975-12-04
JPS55133487A (en) * 1979-03-16 1980-10-17 Kinneret Ets Ltd Method of deashing coal

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50151201A (enExample) * 1974-05-23 1975-12-04
JPS55133487A (en) * 1979-03-16 1980-10-17 Kinneret Ets Ltd Method of deashing coal

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6026093A (ja) * 1983-07-22 1985-02-08 Hitachi Zosen Corp 脱灰炭の製造方法
JP2010202871A (ja) * 2009-02-27 2010-09-16 General Electric Co <Ge> 石炭発電装置の複合サイクル効率を向上するための脱水システム及び方法
US8968430B2 (en) 2009-02-27 2015-03-03 General Electric Company Dewatering system and process for increasing the combined cycle efficiency of a coal powerplant

Also Published As

Publication number Publication date
JPS6259757B2 (enExample) 1987-12-12

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