JPS54132604A - Purification of high-temperature gas - Google Patents

Purification of high-temperature gas

Info

Publication number
JPS54132604A
JPS54132604A JP3917578A JP3917578A JPS54132604A JP S54132604 A JPS54132604 A JP S54132604A JP 3917578 A JP3917578 A JP 3917578A JP 3917578 A JP3917578 A JP 3917578A JP S54132604 A JPS54132604 A JP S54132604A
Authority
JP
Japan
Prior art keywords
gas
exhausted
coal gas
coal
steam
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
Application number
JP3917578A
Other languages
Japanese (ja)
Inventor
Shoichi Kimura
Toshihiko Takahashi
Zensuke Tamura
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Ltd filed Critical Hitachi Ltd
Priority to JP3917578A priority Critical patent/JPS54132604A/en
Publication of JPS54132604A publication Critical patent/JPS54132604A/en
Pending legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines

Landscapes

  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Industrial Gases (AREA)

Abstract

PURPOSE: Decomposition of ammonia and removal of hydrogen sulfide are combined, whereby the purification of high-temperature gases containing impurities as coal gas and the purging of exhausted gases are performed with high efficiency, thus operating power-generating system without secondary pollution.
CONSTITUTION: Coal 1 is gasified with steam and air in gasification furnace 21, hydrogen sulfide is removed by converting it to iron sulfide in desulfurizer 22, and the resulting coal gas is sent to ammonia decomposer 24. The purified coal gas is sent to burner 25 and converted to high-pressure and high-temperature gas to make turbine 26 and generator 30 rotate. A part of coal gas 3 is added to the exhausted gas and they are oxidized. Amines formed and remaining amonia are converted to nonharmful nitrogen and oxygen by the action of nitrogen oxides accompanied by the exhausted gas 6 in denitrificator 28. The exhausted gas treated with denitrification is fed to waste-heat recovering boiler 29 to convert water 17 to steam 18.
COPYRIGHT: (C)1979,JPO&Japio
JP3917578A 1978-04-05 1978-04-05 Purification of high-temperature gas Pending JPS54132604A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3917578A JPS54132604A (en) 1978-04-05 1978-04-05 Purification of high-temperature gas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3917578A JPS54132604A (en) 1978-04-05 1978-04-05 Purification of high-temperature gas

Publications (1)

Publication Number Publication Date
JPS54132604A true JPS54132604A (en) 1979-10-15

Family

ID=12545773

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3917578A Pending JPS54132604A (en) 1978-04-05 1978-04-05 Purification of high-temperature gas

Country Status (1)

Country Link
JP (1) JPS54132604A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09103688A (en) * 1995-10-11 1997-04-22 Nkk Corp Method for recovery of hydrogen in regeneration of catalyst for gas refining
US20120107208A1 (en) * 2009-10-23 2012-05-03 Ihi Corporation Gas treatment method and apparatus for circulating fluidized-bed gasification system
CN102538398A (en) * 2012-02-09 2012-07-04 杭州杭氧股份有限公司 Process and system for purifying, separating and liquefying nitrogen-and-oxygen-containing coal mine methane (CMM)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09103688A (en) * 1995-10-11 1997-04-22 Nkk Corp Method for recovery of hydrogen in regeneration of catalyst for gas refining
US20120107208A1 (en) * 2009-10-23 2012-05-03 Ihi Corporation Gas treatment method and apparatus for circulating fluidized-bed gasification system
US8506917B2 (en) * 2009-10-23 2013-08-13 Ihi Corporation Gas treatment method and apparatus for circulating fluidized-bed gasification system
CN102538398A (en) * 2012-02-09 2012-07-04 杭州杭氧股份有限公司 Process and system for purifying, separating and liquefying nitrogen-and-oxygen-containing coal mine methane (CMM)

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