TW278048B - - Google Patents

Info

Publication number
TW278048B
TW278048B TW082108563A TW82108563A TW278048B TW 278048 B TW278048 B TW 278048B TW 082108563 A TW082108563 A TW 082108563A TW 82108563 A TW82108563 A TW 82108563A TW 278048 B TW278048 B TW 278048B
Authority
TW
Taiwan
Application number
TW082108563A
Original Assignee
Nalco Fuel Tech
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 Nalco Fuel Tech filed Critical Nalco Fuel Tech
Application granted granted Critical
Publication of TW278048B publication Critical patent/TW278048B/zh

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • 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
    • B01D53/46—Removing components of defined structure
    • B01D53/54—Nitrogen compounds
    • B01D53/56—Nitrogen oxides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Treating Waste Gases (AREA)
TW082108563A 1992-10-13 1993-10-15 TW278048B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/959,706 US5489419A (en) 1992-10-13 1992-10-13 Process for pollution control

Publications (1)

Publication Number Publication Date
TW278048B true TW278048B (zh) 1996-06-11

Family

ID=25502315

Family Applications (1)

Application Number Title Priority Date Filing Date
TW082108563A TW278048B (zh) 1992-10-13 1993-10-15

Country Status (4)

Country Link
US (1) US5489419A (zh)
KR (1) KR950703488A (zh)
TW (1) TW278048B (zh)
WO (1) WO1994008893A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104645794A (zh) * 2015-01-13 2015-05-27 广州特种承压设备检测研究院 一种添加阴离子表面活性剂优化垃圾焚烧炉sncr脱硝系统的方法

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* Cited by examiner, † Cited by third party
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AU2434597A (en) * 1996-04-02 1997-10-22 Clean Diesel Technologies, Inc. Method and apparatus for reducing harmful emissions from a diesel engine by urea injection scr
AU5445598A (en) * 1996-11-20 1998-06-10 Clean Diesel Technologies, Inc. Selective catalytic no reduction utilizing urea without catalyst fouling
WO1998028070A1 (en) * 1996-12-20 1998-07-02 Clean Diesel Technologies, Inc. Method and apparatus for reducing harmful emissions from a lean-burn engine by urea injection scr
US6280695B1 (en) 2000-07-10 2001-08-28 Ge Energy & Environmental Research Corp. Method of reducing NOx in a combustion flue gas
KR100402051B1 (ko) * 2000-10-18 2003-10-17 한국과학기술연구원 질소산화물 저감용 선택적 무촉매 환원제
KR100374291B1 (ko) * 2000-10-19 2003-03-03 한국동서발전(주) 연소장치 배출 가스 중의 질소산화물 함량 감소 방법
US6904421B2 (en) * 2001-04-26 2005-06-07 Honeywell International Inc. Methods for solving the traveling salesman problem
KR100475332B1 (ko) * 2001-10-31 2005-03-10 대전광역시도시개발공사 무촉매반응설비(sncr)의 환원제 분사장치
US8449288B2 (en) * 2003-03-19 2013-05-28 Nalco Mobotec, Inc. Urea-based mixing process for increasing combustion efficiency and reduction of nitrogen oxides (NOx)
EP1646440A4 (en) * 2003-05-22 2010-04-14 Doosan Babcock Energy Ltd METHOD AND DEVICE FOR ZONING INJECTION OF CHEMICALS INTO AN OVEN CONVEYING TRAIN FOR REDUCING CONTAMINATION FROM FLUE GASES
US7670569B2 (en) * 2003-06-13 2010-03-02 Mobotec Usa, Inc. Combustion furnace humidification devices, systems & methods
US8251694B2 (en) * 2004-02-14 2012-08-28 Nalco Mobotec, Inc. Method for in-furnace reduction flue gas acidity
US7537743B2 (en) * 2004-02-14 2009-05-26 Mobotec Usa, Inc. Method for in-furnace regulation of SO3 in catalytic NOx reducing systems
US7410356B2 (en) 2005-11-17 2008-08-12 Mobotec Usa, Inc. Circulating fluidized bed boiler having improved reactant utilization
FR2912932B1 (fr) * 2007-02-23 2011-06-10 Total France Solution aqueuse pour traitement des gaz d'echappement des moteurs diesel
US20080267837A1 (en) * 2007-04-27 2008-10-30 Phelps Calvin E Conversion of urea to reactants for NOx reduction
US7736608B2 (en) * 2007-11-29 2010-06-15 General Electric Company Methods and systems for reducing the emissions from combustion gases
US8069824B2 (en) * 2008-06-19 2011-12-06 Nalco Mobotec, Inc. Circulating fluidized bed boiler and method of operation
WO2010044676A1 (en) 2008-10-14 2010-04-22 Yara International Asa Method for minimizing the diameter of droplets of a urea solution by use of a surfactant mixture of alkoxylated compounds
JP5558042B2 (ja) 2009-08-05 2014-07-23 三菱重工業株式会社 排ガス処理装置及び排ガスの水銀除去方法
SE534217E (sv) * 2009-10-16 2015-03-10 Proppabort Ab Ämne att tillsätta urealösningar
CN108452654A (zh) * 2018-03-03 2018-08-28 浙江安吉天子湖热电有限公司 一种脱硝装置
CN108926986B (zh) * 2018-06-22 2021-03-19 光大环保技术研究院（南京）有限公司 一种sncr氨水与水的喷入量控制方法和控制系统
US11027237B2 (en) * 2019-07-19 2021-06-08 American Electric Power Company, Inc. Direct injection of aqueous urea
US11732628B1 (en) 2020-08-12 2023-08-22 Old World Industries, Llc Diesel exhaust fluid
CN113385013B (zh) * 2021-06-28 2022-09-30 北京工业大学 一种利用气态有机物作为sncr添加剂进行烟气脱硝的方法
EP4115970A1 (de) 2021-07-05 2023-01-11 TUNAP GmbH & Co. KG Additiv zur reinigung von scr-systemen
EP4122584A1 (en) * 2021-07-23 2023-01-25 Basf Se Reductant fluid for the after-treatment of exhaust gas
FR3137680A1 (fr) 2022-07-07 2024-01-12 Sas Diframa Solution concentrée de préservation de l’intégrité et du bon fonctionnement des dispositifs de post-traitement des gaz d’échappement recourant à l’emploi de l’urée technique en solution.

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US3900554A (en) * 1973-03-16 1975-08-19 Exxon Research Engineering Co Method for the reduction of the concentration of no in combustion effluents using ammonia
JPS5233890A (en) * 1975-09-11 1977-03-15 Shinkichi Akimoto Method of producing nox removing agent and apparatus for removing nox by dry process
US4208386A (en) * 1976-03-03 1980-06-17 Electric Power Research Institute, Inc. Urea reduction of NOx in combustion effluents
US4325924A (en) * 1977-10-25 1982-04-20 Electric Power Research Institute, Inc. Urea reduction of NOx in fuel rich combustion effluents
SU835478A1 (ru) * 1979-02-23 1981-06-07 Всесоюзный Научно-Исследовательскийи Проектный Институт По Очистке Tex-Нологических Газов,Сточных Вод И Ис-Пользованию Вторичных Энергоресурсовпредприятий Черной Металлургии Способ очистки отход щих газов отОКиСи АзОТА
US4844878A (en) * 1985-10-04 1989-07-04 Fuel Tech, Inc. Process for the reduction of nitrogen oxides in an effluent
US4719092A (en) * 1985-10-04 1988-01-12 Fuel Tech, Inc. Reduction of nitrogen-based pollutants through the use of urea solutions containing oxygenated hydrocarbon solvents
EP0238654B1 (en) * 1985-10-04 1993-07-21 Fuel Tech, Inc. Reduction of nitrogen- and carbon-based pollutants through the use of urea solutions
US4842834A (en) * 1987-02-02 1989-06-27 Fuel Tech, Inc. Process for reducing the concentration of pollutants in an effluent
US4780289A (en) * 1987-05-14 1988-10-25 Fuel Tech, Inc. Process for nitrogen oxides reduction and minimization of the production of other pollutants
US4777024A (en) * 1987-03-06 1988-10-11 Fuel Tech, Inc. Multi-stage process for reducing the concentration of pollutants in an effluent
US4877591A (en) * 1987-03-13 1989-10-31 Fuel Tech, Inc. Process for the reduction of nitrogen oxides in an effluent using sugar
US4915036A (en) * 1988-02-26 1990-04-10 Fuel Tech, Inc. Boiler and injector for reducing the concentration of pollutants in an effluent
US4985218A (en) * 1989-03-03 1991-01-15 Fuel Tech, Inc. Process and injector for reducing the concentration of pollutants in an effluent
US4997631A (en) * 1990-03-07 1991-03-05 Fuel Tech, Inc. Process for reducing nitrogen oxides without generating nitrous oxide
EP0530255B1 (en) * 1990-05-21 1996-07-10 Nalco Fuel Tech GmbH Process for minimizing pollutant concentrations in combustion gases
US5240688A (en) * 1990-08-01 1993-08-31 Fuel Tech Gmbh Process for the in-line hydrolysis of urea

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104645794A (zh) * 2015-01-13 2015-05-27 广州特种承压设备检测研究院 一种添加阴离子表面活性剂优化垃圾焚烧炉sncr脱硝系统的方法

Also Published As

Publication number Publication date
US5489419A (en) 1996-02-06
KR950703488A (ko) 1995-09-20
WO1994008893A1 (en) 1994-04-28

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