DK404888D0 - Fremgangsmaade til rensning af arsenholdige afgangsgasser - Google Patents

Fremgangsmaade til rensning af arsenholdige afgangsgasser

Info

Publication number
DK404888D0
DK404888D0 DK404888A DK404888A DK404888D0 DK 404888 D0 DK404888 D0 DK 404888D0 DK 404888 A DK404888 A DK 404888A DK 404888 A DK404888 A DK 404888A DK 404888 D0 DK404888 D0 DK 404888D0
Authority
DK
Denmark
Prior art keywords
arsency
cleaning
procedure
exhaust gas
exhaust
Prior art date
Application number
DK404888A
Other languages
English (en)
Other versions
DK171014B1 (da
DK404888A (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
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 true DK404888D0 (da) 1988-07-20
DK404888A 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
KR960011040B1 (ko) * 1992-03-24 1996-08-16 안자이 구니오 질소 산화물 제거방법과 그 실시에 사용하기 위한 장치
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
US7829033B2 (en) * 2003-07-03 2010-11-09 Fuel Tech, Inc. Selective catalytic reduction of NOx enabled by sidestream urea decomposition
WO2002043837A1 (en) * 2000-12-01 2002-06-06 Fuel Tech, Inc. Selective catalytic reduction of no, enabled by side stream 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
US11471831B2 (en) 2016-09-26 2022-10-18 Shell Usa, Inc. Method of regenerating a deNOx catalyst
US10843132B2 (en) 2016-09-26 2020-11-24 Shell Oil Company Method of reducing nitrogen oxide compounds

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
NO170318C (no) 1992-10-07
EP0303560B1 (en) 1993-07-14
DK171014B1 (da) 1996-04-22
NO883289L (no) 1989-02-15
DE3882300T2 (de) 1993-10-21
NO883289D0 (no) 1988-07-22
NO170318B (no) 1992-06-29
EP0303560A1 (en) 1989-02-15
JPH01139146A (ja) 1989-05-31
DK404888A (da) 1989-02-15
DE3882300D1 (de) 1993-08-19
US4925640A (en) 1990-05-15

Similar Documents

Publication Publication Date Title
DK513988D0 (da) Fremgangsmaade til rensning af roeggas
IT1126666B (it) Cartuccia per la depurazione de gas di scarico e procedimento per la produzione della stessa
DK279484A (da) Fremgangsmaade til rensning af roeggas
DK164935C (da) Fremgangsmaade til katalytisk rensning af afgangsgasser
IT1175802B (it) Procedimento per pulire oggetti usando gas supercritici
BR8806027A (pt) Filtro para limpeza de gases de exaustao
DK404888D0 (da) Fremgangsmaade til rensning af arsenholdige afgangsgasser
DK405283D0 (da) Fremgangsmade til fjernelse af nitrogenoxider fra roeggaser
DK53586D0 (da) Fremgangsmaade til afsvovling af afgangsgas
IT7851704A0 (it) Procedimento di depurazione di gasdi combustione
DK226989A (da) Fremgangsmaade til plasma-rensning af overflader
DK571289D0 (da) Fremgangsmaade til behandling af spildgas
DK146788A (da) Fremgangsmaade til rensning af roeggasser for nitrogenoxider
DK53388A (da) Fremgangsmaade til direkte afsvovling af roeggasser i en ovn
KR880004310A (ko) 배기가스의 제조방법
IT8547914A1 (it) Metodo di purificazione di gas di scarico
IT1185416B (it) Procedimento di trattamento di gas di scarico
DK593287A (da) Fremgangsmaade til rensning af roeggas
DK625486A (da) Fremgangsmaade til rensning af roeggas
DK209186D0 (da) Fremgangsmaade til fjernelse af nitrogenoxider fra forbraendingsgasser fra dieselmaskiner
DK570688A (da) Fremgangsmaade til rensning af polyorganphosphanzenelastromerer
DK36882A (da) Fremgangsmaade til foroegelse af udstroemningen af roeggasser og skorstensafslutning til udoevelse af fremgangsmaaden
SE8702672D0 (sv) Forfarande for gasrening
DK275088D0 (da) Filter til rensning af gasformige medier
KR890007269U (ko) 주방용 가스레인지의 배기장치

Legal Events

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