DK404888A - Fremgangsmaade til rensning af arsenholdige afgangsgasser - Google Patents

Fremgangsmaade til rensning af arsenholdige afgangsgasser

Info

Publication number
DK404888A
DK404888A DK404888A DK404888A DK404888A DK 404888 A DK404888 A DK 404888A DK 404888 A DK404888 A DK 404888A DK 404888 A DK404888 A DK 404888A DK 404888 A DK404888 A DK 404888A
Authority
DK
Denmark
Prior art keywords
arsency
cleaning
procedure
exhaust gas
exhaust
Prior art date
Application number
DK404888A
Other languages
English (en)
Other versions
DK404888D0 (da
DK171014B1 (da
Inventor
Atsushi Moril
Toshio Koyanagi
Hiromu Takatsuka
Kouzou Iida
Original Assignee
Mitsubishi Heavy Ind 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 Mitsubishi Heavy Ind Ltd filed Critical Mitsubishi Heavy Ind Ltd
Publication of DK404888D0 publication Critical patent/DK404888D0/da
Publication of DK404888A publication Critical patent/DK404888A/da
Application granted granted Critical
Publication of DK171014B1 publication Critical patent/DK171014B1/da

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8621—Removing nitrogen compounds
    • B01D53/8625—Nitrogen oxides
    • B01D53/8631—Processes characterised by a specific device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8621—Removing nitrogen compounds
    • B01D53/8625—Nitrogen oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/90—Regeneration or reactivation
    • B01J23/92—Regeneration or reactivation of catalysts comprising metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J38/00—Regeneration or reactivation of catalysts, in general
    • B01J38/04—Gas or vapour treating; Treating by using liquids vaporisable upon contacting spent catalyst
    • B01J38/06—Gas or vapour treating; Treating by using liquids vaporisable upon contacting spent catalyst using steam

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
DK404888A 1987-08-14 1988-07-20 Fremgangsmåde til tør denitrering af afgangsgas, der foruden NOx og eventuelt SOx indeholder arsenforbindelser, fremgangsmåde til regeneration af en denitreringskatalysator, der er blevet nedbrudt af arsenkomponenter, og apparat til brug ved udøvelse af fremgangsmåden til regeneration DK171014B1 (da)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP20187887 1987-08-14
JP20187887 1987-08-14
JP24413587 1987-09-30
JP62244135A JPH01139146A (ja) 1987-08-14 1987-09-30 砒素分による劣化脱硝触媒の再生方法及び同装置

Publications (3)

Publication Number Publication Date
DK404888D0 DK404888D0 (da) 1988-07-20
DK404888A true DK404888A (da) 1989-02-15
DK171014B1 DK171014B1 (da) 1996-04-22

Family

ID=26513050

Family Applications (1)

Application Number Title Priority Date Filing Date
DK404888A DK171014B1 (da) 1987-08-14 1988-07-20 Fremgangsmåde til tør denitrering af afgangsgas, der foruden NOx og eventuelt SOx indeholder arsenforbindelser, fremgangsmåde til regeneration af en denitreringskatalysator, der er blevet nedbrudt af arsenkomponenter, og apparat til brug ved udøvelse af fremgangsmåden til regeneration

Country Status (6)

Country Link
US (1) US4925640A (da)
EP (1) EP0303560B1 (da)
JP (1) JPH01139146A (da)
DE (1) DE3882300T2 (da)
DK (1) DK171014B1 (da)
NO (1) NO170318C (da)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0562866B1 (en) * 1992-03-27 1998-05-13 Tokyo Gas Co., Ltd. Method and apparatus for removing nitrogen oxides
DE19617081C2 (de) * 1996-04-29 2003-02-06 Kerr Mcgee Pigments Gmbh & Co Verfahren zur Herstellung von Mischoxidpulvern aus desaktivierten DENOX-Katalysatoren
JPH1024219A (ja) * 1996-07-11 1998-01-27 Mitsubishi Heavy Ind Ltd 排ガス脱硝方法
JP2004514828A (ja) * 2000-12-01 2004-05-20 フューエル　テック　インコーポレーテッド 側流尿素分解によって可能になるＮＯｘの選択触媒還元
US7829033B2 (en) * 2003-07-03 2010-11-09 Fuel Tech, Inc. Selective catalytic reduction of NOx enabled by sidestream urea decomposition
JP2002372233A (ja) * 2001-06-14 2002-12-26 Seiji Inoue ボイラ付帯設備
JP3935417B2 (ja) * 2002-11-01 2007-06-20 中国電力株式会社 脱硝触媒管理方法および脱硝触媒管理装置
DE102006007658A1 (de) * 2006-02-18 2007-08-23 Daimlerchrysler Ag Dosiervorrichtung und Verfahren zum Betrieb derselben
WO2012132683A1 (ja) 2011-03-29 2012-10-04 三菱重工業株式会社 砒素化合物の除去方法、脱硝触媒の再生方法、並びに、脱硝触媒
US10634029B2 (en) * 2016-08-23 2020-04-28 General Electric Technology Gmbh Mobile selective catalyst reduction system
US20180058698A1 (en) * 2016-08-23 2018-03-01 General Electric Technology Gmbh Tempered Ammonia Injection For Gas Turbine Selective Catalyst Reduction System
KR20190050992A (ko) 2016-09-26 2019-05-14 쉘 인터내셔날 리써취 마트샤피지 비.브이. 산화질소 화합물 저감 방법
CN109789371A (zh) 2016-09-26 2019-05-21 国际壳牌研究有限公司 再生脱nox催化剂的方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2235426C3 (de) * 1972-07-19 1975-01-02 Sumitomo Chemical Co., Ltd., Osaka (Japan) Verfahren zur Behandlung von Stickoxiden enthaltenden Abgasen
JPS592768B2 (ja) * 1976-02-10 1984-01-20 株式会社日立製作所 ガスタ−ビンの排ガス処理方法及びその装置
JPS6048147A (ja) * 1983-08-25 1985-03-15 Mitsubishi Heavy Ind Ltd 触媒の賦活方法

Also Published As

Publication number Publication date
NO883289L (no) 1989-02-15
JPH01139146A (ja) 1989-05-31
DE3882300T2 (de) 1993-10-21
NO883289D0 (no) 1988-07-22
EP0303560B1 (en) 1993-07-14
DK404888D0 (da) 1988-07-20
DE3882300D1 (de) 1993-08-19
NO170318B (no) 1992-06-29
US4925640A (en) 1990-05-15
DK171014B1 (da) 1996-04-22
EP0303560A1 (en) 1989-02-15
NO170318C (no) 1992-10-07

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Legal Events

Date Code Title Description
B1 Patent granted (law 1993)
PUP Patent expired