DE69318461T2 - Verfahren und Vorrichtung zur Entfernung von Stickoxyden - Google Patents

Verfahren und Vorrichtung zur Entfernung von Stickoxyden

Info

Publication number
DE69318461T2
DE69318461T2 DE69318461T DE69318461T DE69318461T2 DE 69318461 T2 DE69318461 T2 DE 69318461T2 DE 69318461 T DE69318461 T DE 69318461T DE 69318461 T DE69318461 T DE 69318461T DE 69318461 T2 DE69318461 T2 DE 69318461T2
Authority
DE
Germany
Prior art keywords
nitrogen oxides
removing nitrogen
oxides
nitrogen
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.)
Expired - Fee Related
Application number
DE69318461T
Other languages
English (en)
Other versions
DE69318461D1 (de
Inventor
Satoshi Tanazawa
Ken-Ichiro Kobayashi
Hiroaki Hayashi
Motonobu Kobayashi
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.)
Nippon Shokubai Co Ltd
Tokyo Gas Co Ltd
Original Assignee
Nippon Shokubai Co Ltd
Tokyo Gas 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
Priority claimed from JP07167792A external-priority patent/JP3499576B2/ja
Priority claimed from JP07167992A external-priority patent/JP3513163B2/ja
Priority claimed from JP07167892A external-priority patent/JP3513162B2/ja
Application filed by Nippon Shokubai Co Ltd, Tokyo Gas Co Ltd filed Critical Nippon Shokubai Co Ltd
Publication of DE69318461D1 publication Critical patent/DE69318461D1/de
Application granted granted Critical
Publication of DE69318461T2 publication Critical patent/DE69318461T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
    • B01D47/06—Spray cleaning
    • 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
    • B01D53/77—Liquid phase processes
    • B01D53/79—Injecting reactants
    • 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
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/26—Nozzle-type reactors, i.e. the distribution of the initial reactants within the reactor is effected by their introduction or injection through nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • 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
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00548—Flow
    • 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
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00796—Details of the reactor or of the particulate material
    • B01J2208/00884—Means for supporting the bed of particles, e.g. grids, bars, perforated plates
    • 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
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00796—Details of the reactor or of the particulate material
    • B01J2208/00893—Feeding means for the reactants
    • B01J2208/00902—Nozzle-type feeding elements
    • 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
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
    • B01J2219/00094—Jackets
    • 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
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00119—Heat exchange inside a feeding nozzle or nozzle reactor
    • 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
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00245—Avoiding undesirable reactions or side-effects
    • 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
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00245—Avoiding undesirable reactions or side-effects
    • B01J2219/00252—Formation of deposits other than coke

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Treating Waste Gases (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
DE69318461T 1992-03-27 1993-03-25 Verfahren und Vorrichtung zur Entfernung von Stickoxyden Expired - Fee Related DE69318461T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP07167792A JP3499576B2 (ja) 1992-03-27 1992-03-27 窒素酸化物除去方法およびその装置
JP07167992A JP3513163B2 (ja) 1992-03-27 1992-03-27 窒素酸化物除去方法およびその装置
JP07167892A JP3513162B2 (ja) 1992-03-27 1992-03-27 窒素酸化物除去方法

Publications (2)

Publication Number Publication Date
DE69318461D1 DE69318461D1 (de) 1998-06-18
DE69318461T2 true DE69318461T2 (de) 1998-12-17

Family

ID=27300719

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69318461T Expired - Fee Related DE69318461T2 (de) 1992-03-27 1993-03-25 Verfahren und Vorrichtung zur Entfernung von Stickoxyden

Country Status (5)

Country Link
US (1) US6432373B1 (de)
EP (1) EP0562866B1 (de)
KR (1) KR960011040B1 (de)
DE (1) DE69318461T2 (de)
TW (1) TW237394B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10344886B2 (en) 2006-09-20 2019-07-09 Robert Bosch Gmbh Method for operating a reagent metering valve and apparatus for carrying out the method

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US5681536A (en) * 1996-05-07 1997-10-28 Nebraska Public Power District Injection lance for uniformly injecting anhydrous ammonia and air into a boiler cavity
DE19820990A1 (de) * 1998-05-11 1999-11-18 Babcock Anlagen Gmbh Vorrichtung in einer Anlage zur Reduktion von Stickoxiden
DE10223766A1 (de) * 2002-05-28 2004-01-08 Man Nutzfahrzeuge Ag Verfahren zur Reinigung einer Spritzdüse für eine Harnstofflösung für die katalytische NOx-Reduktion von Abgasen
US20040093856A1 (en) * 2002-11-18 2004-05-20 Dingle Philip J. G. Apparatus and method for reductant dosing of an exhaust
CN100355488C (zh) * 2003-05-07 2007-12-19 韩国高化环保技术有限公司 通过多次喷射还原氮氧化物的催化方法及其用法
DE102004060884A1 (de) * 2004-12-17 2006-06-29 Clyde Bergemann Gmbh Verfahren und Vorrichtung zum Entfernen von Verbrennungsrückständen mit unterschiedlichen Reinigungsmedien
US7639459B2 (en) * 2005-01-10 2009-12-29 Hitachi Global Storage Technologies Netherlands B.V. Three terminal magnetic sensor having an in-stack longitudinal biasing layer structure
US20060196172A1 (en) * 2005-03-02 2006-09-07 Johnson Jeffery S Injection device for the treatment of exhaust fumes from motor vehicles
DE102006007658A1 (de) * 2006-02-18 2007-08-23 Daimlerchrysler Ag Dosiervorrichtung und Verfahren zum Betrieb derselben
KR101074050B1 (ko) * 2010-01-20 2011-10-17 한국전력기술 주식회사 요소수유입로와 분사노즐의 막힘을 방지할 수 있는 배기가스 탈질시스템과 요소수 응고를 방지할 수 있는 요소수 공급장치
KR101238777B1 (ko) 2010-06-21 2013-03-04 주식회사 파나시아 환원제 공급장치 및 이를 이용한 배기가스 탈질시스템
US8783013B2 (en) 2010-10-21 2014-07-22 Siemens Energy, Inc. Feedforward selective catalytic reduction system for turbine engines
CN102626586B (zh) * 2012-04-01 2014-06-04 无锡雪浪环境科技股份有限公司 烟气氮氧化物减排控制的处理装置
CN103111445A (zh) * 2012-12-25 2013-05-22 中国第一汽车股份有限公司 去除管道壁上尿素结晶的清洗方法
CN104667730A (zh) * 2015-02-05 2015-06-03 苏州仕净环保设备有限公司 一种锅炉烟气高效脱硝装置
KR102086440B1 (ko) * 2019-05-31 2020-03-09 주식회사 이엠코 화력발전소의 배가스 처리장치
US11143074B2 (en) * 2019-07-30 2021-10-12 Delphi Technologies Ip Limited Reagent dosing system and method
CN113304599B (zh) * 2021-05-13 2022-05-27 天津中材工程研究中心有限公司 一种防止旋风筒结皮的喷枪布置方法
KR102641114B1 (ko) * 2023-09-19 2024-02-28 금화씨앤이(주) 선택적 촉매 환원용 암모니아수 직분사장치

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1607964A1 (de) * 1967-12-21 1970-08-27 Enzinger Union Werke Ag Verfahren und Vorrichtung zum Reinigen der Spritzduesen von Spritzrohren in Reinigungsmaschinen fuer Flaschen u.dgl.
US3523683A (en) * 1968-03-18 1970-08-11 Sinclair Research Inc Apparatus for injecting fluid fuel into a blast furnace
FR2143620A1 (en) * 1971-07-01 1973-02-09 Dumaz Plastique Mixing head for polyur hane prodn - with valves for automated feed recycle and wash out cycles
US4842834A (en) * 1987-02-02 1989-06-27 Fuel Tech, Inc. Process for reducing the concentration of pollutants in an effluent
JPH01139146A (ja) * 1987-08-14 1989-05-31 Mitsubishi Heavy Ind Ltd 砒素分による劣化脱硝触媒の再生方法及び同装置
JPH02503764A (ja) * 1988-02-26 1990-11-08 フユーエル　テク，インコーポレイテツド 排ガス中の汚染物質濃度の減少のための方法と注入装置
DE3811636C1 (de) * 1988-04-07 1989-03-16 Deutsche Babcock Anlagen Ag, 4200 Oberhausen, De
JPH01303560A (ja) 1988-05-31 1989-12-07 Nec Corp ホスト間通知喪失検出方式
DE3830045C2 (de) * 1988-09-03 1993-09-30 Bayer Ag Verfahren zur Reduktion von in Abgasen enthaltenen Stickoxiden mittels eines zeolithhaltigen Katalysators
JPH02194817A (ja) 1989-01-24 1990-08-01 Babcock Hitachi Kk 都市エネルギーシステム用排ガス処理方法
JPH02261519A (ja) 1989-03-31 1990-10-24 Babcock Hitachi Kk 固体還元剤による脱硝方法および装置
JPH02265619A (ja) 1989-04-06 1990-10-30 Nkk Corp 無触媒脱硝における還元剤の制御法
EP0443207B1 (de) * 1990-02-23 1994-09-21 Basf Corporation Absaugsystem für Monomere

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10344886B2 (en) 2006-09-20 2019-07-09 Robert Bosch Gmbh Method for operating a reagent metering valve and apparatus for carrying out the method

Also Published As

Publication number Publication date
DE69318461D1 (de) 1998-06-18
TW237394B (de) 1995-01-01
EP0562866A1 (de) 1993-09-29
EP0562866B1 (de) 1998-05-13
KR960011040B1 (ko) 1996-08-16
US6432373B1 (en) 2002-08-13
KR930019256A (ko) 1993-10-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee