KR950703488A - 오염 제어방법 및 조성물(process and composition for pollution control) - Google Patents

오염 제어방법 및 조성물(process and composition for pollution control) Download PDF

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Publication number
KR950703488A
KR950703488A KR1019950701416A KR19950701416A KR950703488A KR 950703488 A KR950703488 A KR 950703488A KR 1019950701416 A KR1019950701416 A KR 1019950701416A KR 19950701416 A KR19950701416 A KR 19950701416A KR 950703488 A KR950703488 A KR 950703488A
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KR
South Korea
Prior art keywords
composition
surfactant
contaminant
droplets
aqueous solution
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.)
Withdrawn
Application number
KR1019950701416A
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English (en)
Korean (ko)
Inventor
브이. 디에프 다니엘
린다 린 엠.
Original Assignee
죤 이. 호프만
날코 퓨얼 테크
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 죤 이. 호프만, 날코 퓨얼 테크 filed Critical 죤 이. 호프만
Publication of KR950703488A publication Critical patent/KR950703488A/ko
Withdrawn legal-status Critical Current

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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)
KR1019950701416A 1992-10-13 1993-10-13 오염 제어방법 및 조성물(process and composition for pollution control) Withdrawn KR950703488A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/959,706 US5489419A (en) 1992-10-13 1992-10-13 Process for pollution control
US07/959706 1992-10-13
PCT/US1993/009760 WO1994008893A1 (en) 1992-10-13 1993-10-13 Process and composition for pollution control

Publications (1)

Publication Number Publication Date
KR950703488A true KR950703488A (ko) 1995-09-20

Family

ID=25502315

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950701416A Withdrawn KR950703488A (ko) 1992-10-13 1993-10-13 오염 제어방법 및 조성물(process and composition for pollution control)

Country Status (4)

Country Link
US (1) US5489419A (en, 2012)
KR (1) KR950703488A (en, 2012)
TW (1) TW278048B (en, 2012)
WO (1) WO1994008893A1 (en, 2012)

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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
AU5618598A (en) * 1996-12-20 1998-07-17 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)
US20050063887A1 (en) * 2003-05-22 2005-03-24 Stuart Arrol Method and apparatus for zonal injection of chemicals into a furnace convective pass to reduce pollutants 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
EP2337625B1 (en) 2008-10-14 2013-09-11 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 2015-06-23 Proppabort Ab Ämne att tillsätta urealösningar
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
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
PL243193B1 (pl) * 2020-12-30 2023-07-17 Storage Partners Spolka Z Ograniczona Odpowiedzialnoscia Spolka Komandytowa Sposób wytwarzania preparatu wspomagającego oczyszczanie spalin z tlenków azotu, zwłaszcza spalin emitowanych przez silniki wysokoprężne
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
EP0238654B1 (en) * 1985-10-04 1993-07-21 Fuel Tech, Inc. Reduction of nitrogen- and carbon-based pollutants through the use of urea solutions
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
US4842834A (en) * 1987-02-02 1989-06-27 Fuel Tech, Inc. 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
US4777024A (en) * 1987-03-06 1988-10-11 Fuel Tech, Inc. Multi-stage 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
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
DE69120812T2 (de) * 1990-05-21 1997-02-27 Nalco Fuel Tech Gmbh Verfahren zur minimierung der konzentration an schadstoffen in verbrennungsgasen
US5240688A (en) * 1990-08-01 1993-08-31 Fuel Tech Gmbh Process for the in-line hydrolysis of urea

Also Published As

Publication number Publication date
WO1994008893A1 (en) 1994-04-28
TW278048B (en, 2012) 1996-06-11
US5489419A (en) 1996-02-06

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Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 19950413

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
PC1203 Withdrawal of no request for examination
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid