ES2009563A6 - Procedimiento para la reduccion de la concentracion de oxidos de nitrogeno en el efluente de la combustion de un combustible carbonaceo. - Google Patents

Procedimiento para la reduccion de la concentracion de oxidos de nitrogeno en el efluente de la combustion de un combustible carbonaceo.

Info

Publication number
ES2009563A6
ES2009563A6 ES8800738A ES8800738A ES2009563A6 ES 2009563 A6 ES2009563 A6 ES 2009563A6 ES 8800738 A ES8800738 A ES 8800738A ES 8800738 A ES8800738 A ES 8800738A ES 2009563 A6 ES2009563 A6 ES 2009563A6
Authority
ES
Spain
Prior art keywords
effluent
nitrogen oxides
sugar
reduction
combustion
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
Application number
ES8800738A
Other languages
English (en)
Inventor
William Robert Epperly
James C Sullivan
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.)
Fuel Tech Inc
Original Assignee
Fuel Tech Inc
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 Fuel Tech Inc filed Critical Fuel Tech Inc
Publication of ES2009563A6 publication Critical patent/ES2009563A6/es
Expired 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
    • B01D53/46—Removing components of defined structure
    • B01D53/54—Nitrogen compounds
    • B01D53/56—Nitrogen oxides
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/30—Wastewater or sewage treatment systems using renewable energies
    • Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Treating Waste Gases (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • External Artificial Organs (AREA)
  • Jib Cranes (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)
  • Saccharide Compounds (AREA)
  • Fodder In General (AREA)

Abstract

PROCEDIMIENTO PARA LA REDUCCION DE LA CONCENTRACION DE OXIDOS DE NITROGENO EN EL EFLUENTE DE LA COMBUSTION DE UN COMBUSTIBLE CARBONACEO. EL PROCEDIMIENTO COMPRENDE INYECTAR UN AGENTE DE TRATAMIENTO A BASE DE UNA SOLUCION ACUOSA DE 2 A 60% EN PESO DE UREA APROXIMADAMENTE Y 0,5 A 25% EN PESO DE AZUCAR APROXIMADAMENTE, EN EL EFLUENTE QUE TIENE UN EXCESO DE OXIGENO DE 1 A 6% EN VOLUMEN APROXIMADAMENTE Y UNA TEMPERATURA DE 790 A 1.040GC APROXIMADAMENTE, EN UNA CANTIDAD SUFICIENTE PARA PROPORCIONAR UNA RELACION MOLAR DEL NITROGENO CONTENIDO EN EL AGENTE DE TRATAMIENTO AL NIVEL DE OXIDOS DE NITROGENO DE REFERENCIA DE 1:3 A 5:1 APROXIMADAMENTE, EN CONDICIONES EFICACES PARA REDUCIR LA CONCENTRACION DE OXIDOS DE NITROGENO EN EL EFLUENTE.
ES8800738A 1987-03-13 1988-03-11 Procedimiento para la reduccion de la concentracion de oxidos de nitrogeno en el efluente de la combustion de un combustible carbonaceo. Expired ES2009563A6 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/025,350 US4877591A (en) 1987-03-13 1987-03-13 Process for the reduction of nitrogen oxides in an effluent using sugar

Publications (1)

Publication Number Publication Date
ES2009563A6 true ES2009563A6 (es) 1989-10-01

Family

ID=21825502

Family Applications (1)

Application Number Title Priority Date Filing Date
ES8800738A Expired ES2009563A6 (es) 1987-03-13 1988-03-11 Procedimiento para la reduccion de la concentracion de oxidos de nitrogeno en el efluente de la combustion de un combustible carbonaceo.

Country Status (20)

Country Link
US (1) US4877591A (es)
EP (1) EP0304480B1 (es)
JP (1) JPH01503124A (es)
CN (1) CN1036337A (es)
AT (1) ATE77351T1 (es)
AU (1) AU610880B2 (es)
CA (1) CA1307648C (es)
DD (1) DD267917A5 (es)
DE (2) DE3872105T2 (es)
DK (1) DK633688A (es)
ES (1) ES2009563A6 (es)
FI (1) FI885166A (es)
GR (1) GR880100149A (es)
HU (1) HUT49829A (es)
MX (1) MX166067B (es)
NO (1) NO885023D0 (es)
PL (1) PL271134A1 (es)
PT (1) PT86963B (es)
WO (1) WO1988007024A1 (es)
YU (1) YU49588A (es)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0432166A1 (en) * 1989-07-04 1991-06-19 Fuel Tech Europe Limited Lance-type injection apparatus for introducing chemical agents into flue gases
US5543123A (en) * 1990-08-01 1996-08-06 Nalco Fuel Tech Low pressure formation of a urea hydrolysate for nitrogen oxides reduction
US5048432B1 (en) * 1990-12-27 1996-07-02 Nalco Fuel Tech Process and apparatus for the thermal decomposition of nitrous oxide
US5170620A (en) * 1991-04-29 1992-12-15 Lafayette Applied Chemistry, Inc. Sugar fuels for internal combustion engines
US5229090A (en) * 1991-07-03 1993-07-20 Nalco Fuel Tech Process for nitrogen oxides reduction to lowest achievable level
US5219955A (en) * 1992-03-09 1993-06-15 Texaco Inc. Composition of matter for encapsulation of S-triazines using poly(1-hydroxyl-(2,6-phenylene methylenes)) for thermal stability enhancement and dissolution in diesel fuel
US5489419A (en) * 1992-10-13 1996-02-06 Nalco Fuel Tech Process for pollution control
US5536482A (en) * 1992-10-13 1996-07-16 Nalco Fuel Tech Process for pollution control
US5478542A (en) * 1992-11-23 1995-12-26 Nalco Fuel Tech Process for minimizing pollutant concentrations in combustion gases
CA2161135A1 (en) * 1993-05-07 1994-11-24 Joseph R. Comparato Process and apparatus for enhancing distribution of nox -reducing chemicals in a high-solids environment
US5404841A (en) * 1993-08-30 1995-04-11 Valentine; James M. Reduction of nitrogen oxides emissions from diesel engines
US5658547A (en) * 1994-06-30 1997-08-19 Nalco Fuel Tech Simplified efficient process for reducing NOx, SOx, and particulates
US5985222A (en) * 1996-11-01 1999-11-16 Noxtech, Inc. Apparatus and method for reducing NOx from exhaust gases produced by industrial processes
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
CA2466181A1 (en) * 2001-11-09 2003-05-15 Clean Diesel Technologies, Inc. Continuously-variable control of pollution reducing chemicals for combustion sources
CN103553078B (zh) * 2013-11-22 2015-07-22 云南云铝涌鑫铝业有限公司 一种高效氨法脱硫结晶制备硫酸铵的工艺

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS568652B2 (es) * 1973-09-07 1981-02-25
JPS5291776A (en) * 1976-01-30 1977-08-02 Mitsubishi Heavy Ind Ltd Treatment of nitrogen oxides in exhaust gas
US4208386A (en) * 1976-03-03 1980-06-17 Electric Power Research Institute, Inc. Urea reduction of NOx in combustion effluents
JPS5394293A (en) * 1977-01-29 1978-08-18 Hidetoshi Tsuchida Gas adsorbent
US4400362A (en) * 1981-11-04 1983-08-23 Lerner Bernard J Removal of nitrogen oxides from gas
US4751065A (en) * 1985-12-20 1988-06-14 Fuel Tech, Inc. Reduction of nitrogen- and carbon-based pollutants
US4731233A (en) * 1986-01-09 1988-03-15 Thompson Richard E Method and composition for utilizing lime-urea hydrates to simultaneously reduce NOx and SOx in combustion effluents
US4640764A (en) * 1986-02-24 1987-02-03 Shell Oil Company Selective tricyclic hydrogenation and cracking process and catalyst suitable for such hydroconversion
US4770863A (en) * 1987-02-13 1988-09-13 Fuel Tech, Inc. Process for the reduction of nitrogen oxides in an effluent

Also Published As

Publication number Publication date
US4877591A (en) 1989-10-31
DK633688D0 (da) 1988-11-11
DE3872105T2 (de) 1992-12-03
DK633688A (da) 1988-11-11
PT86963B (pt) 1992-06-30
GR880100149A (el) 1989-01-31
PL271134A1 (en) 1988-12-08
AU610880B2 (en) 1991-05-30
EP0304480A4 (en) 1989-04-24
DD267917A5 (de) 1989-05-17
ATE77351T1 (de) 1992-07-15
FI885166A0 (fi) 1988-11-10
DE304480T1 (de) 1989-06-22
FI885166A (fi) 1988-11-10
AU1545188A (en) 1988-10-10
CA1307648C (en) 1992-09-22
EP0304480A1 (en) 1989-03-01
NO885023L (no) 1988-11-10
YU49588A (en) 1989-10-31
CN1036337A (zh) 1989-10-18
WO1988007024A1 (en) 1988-09-22
EP0304480B1 (en) 1992-06-17
JPH01503124A (ja) 1989-10-26
DE3872105D1 (de) 1992-07-23
PT86963A (pt) 1988-04-01
MX166067B (es) 1992-12-17
HUT49829A (en) 1989-11-28
NO885023D0 (no) 1988-11-10

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19991102