ATE179091T1 - Verfahren zum behandeln eines stickstoffoxyde enthaltenden gasstromes unter verwendung von cer enthaltendem zeolith - Google Patents
Verfahren zum behandeln eines stickstoffoxyde enthaltenden gasstromes unter verwendung von cer enthaltendem zeolithInfo
- Publication number
- ATE179091T1 ATE179091T1 AT95904040T AT95904040T ATE179091T1 AT E179091 T1 ATE179091 T1 AT E179091T1 AT 95904040 T AT95904040 T AT 95904040T AT 95904040 T AT95904040 T AT 95904040T AT E179091 T1 ATE179091 T1 AT E179091T1
- Authority
- AT
- Austria
- Prior art keywords
- pct
- treating
- reducing agent
- nitrogen oxides
- cerial
- Prior art date
Links
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title abstract 8
- 238000000034 method Methods 0.000 title abstract 3
- 229910021536 Zeolite Inorganic materials 0.000 title abstract 2
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 title abstract 2
- 239000010457 zeolite Substances 0.000 title abstract 2
- 239000003638 chemical reducing agent Substances 0.000 abstract 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 abstract 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 abstract 2
- 239000004202 carbamide Substances 0.000 abstract 2
- 239000007789 gas Substances 0.000 abstract 2
- 235000019391 nitrogen oxide Nutrition 0.000 abstract 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 abstract 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 1
- 229910052684 Cerium Inorganic materials 0.000 abstract 1
- 229910021529 ammonia Inorganic materials 0.000 abstract 1
- 235000011114 ammonium hydroxide Nutrition 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 238000010531 catalytic reduction reaction Methods 0.000 abstract 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 229910001873 dinitrogen Inorganic materials 0.000 abstract 1
- 229960003753 nitric oxide Drugs 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
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
- B01D53/8628—Processes characterised by a specific catalyst
-
- 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
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9404—Removing only nitrogen compounds
- B01D53/9409—Nitrogen oxides
- B01D53/9413—Processes characterised by a specific catalyst
- B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2062—Ammonia
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/202—Alkali metals
- B01D2255/2027—Sodium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/206—Rare earth metals
- B01D2255/2065—Cerium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/50—Zeolites
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B3/00—Engines characterised by air compression and subsequent fuel addition
- F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- Biomedical Technology (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Exhaust Gas After Treatment (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL9302288A NL9302288A (nl) | 1993-12-31 | 1993-12-31 | Werkwijze voor het behandelen van stikstofoxiden-bevattend gas onder toepassing van een ceriumzeoliet. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE179091T1 true ATE179091T1 (de) | 1999-05-15 |
Family
ID=19863334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT95904040T ATE179091T1 (de) | 1993-12-31 | 1995-01-02 | Verfahren zum behandeln eines stickstoffoxyde enthaltenden gasstromes unter verwendung von cer enthaltendem zeolith |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US5900222A (de) |
| EP (1) | EP0738179B1 (de) |
| AT (1) | ATE179091T1 (de) |
| AU (1) | AU1284495A (de) |
| CA (1) | CA2180377A1 (de) |
| DE (1) | DE69509217T2 (de) |
| DK (1) | DK0738179T3 (de) |
| NL (1) | NL9302288A (de) |
| WO (1) | WO1995017949A1 (de) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19749607C1 (de) * | 1997-11-10 | 1999-03-18 | Siemens Ag | Verfahren und Einrichtung zur Verminderung der Anzahl von Partikeln in einem Abgas |
| US6489052B1 (en) | 1999-11-18 | 2002-12-03 | Plug Power Inc. | Fuel cell air purification subsystem |
| US6685897B1 (en) | 2000-01-06 | 2004-02-03 | The Regents Of The University Of California | Highly-basic large-pore zeolite catalysts for NOx reduction at low temperatures |
| US6761868B2 (en) | 2001-05-16 | 2004-07-13 | The Chemithon Corporation | Process for quantitatively converting urea to ammonia on demand |
| US6887449B2 (en) | 2002-11-21 | 2005-05-03 | The Chemithon Corporation | Method of quantitatively producing ammonia from urea |
| US7943097B2 (en) * | 2007-01-09 | 2011-05-17 | Catalytic Solutions, Inc. | Reactor system for reducing NOx emissions from boilers |
| US7527776B2 (en) * | 2007-01-09 | 2009-05-05 | Catalytic Solutions, Inc. | Ammonia SCR catalyst and method of using the catalyst |
| US8802582B2 (en) * | 2007-01-09 | 2014-08-12 | Catalytic Solutions, Inc. | High temperature ammonia SCR catalyst and method of using the catalyst |
| US20080317652A1 (en) * | 2007-01-09 | 2008-12-25 | Robert Bono | Emission control system internal to a boiler |
| US7767175B2 (en) * | 2007-01-09 | 2010-08-03 | Catalytic Solutions, Inc. | Ammonia SCR catalyst and method of using the catalyst |
| JP5076192B2 (ja) * | 2007-01-12 | 2012-11-21 | 国立大学法人 岡山大学 | 未燃カーボンを用いてディーゼルエンジン排ガス中の窒素酸化物を浄化するための触媒と方法 |
| US8220274B2 (en) * | 2008-05-15 | 2012-07-17 | Johnson Matthey Inc. | Emission reduction method for use with a heat recovery steam generation system |
| US8148295B2 (en) | 2009-02-16 | 2012-04-03 | Millennium Inorganic Chemicals, Inc. | Catalyst promoters in vanadium-free mobile catalyst |
| US7879759B2 (en) | 2009-02-16 | 2011-02-01 | Augustine Steve M | Mobile DeNOx catalyst |
| US8617502B2 (en) | 2011-02-07 | 2013-12-31 | Cristal Usa Inc. | Ce containing, V-free mobile denox catalyst |
| DE102015108014B3 (de) | 2015-05-20 | 2016-11-24 | Chemisch Thermische Prozesstechnik Gmbh | Verfahren und Anlage zur Reinigung von mit Stickoxiden beladenen Abgasen |
| US11585253B2 (en) | 2015-08-07 | 2023-02-21 | Cummins Emission Solutions Inc. | Converging liquid reductant injector nozzle in selective catalytic reduction systems |
| CN111790452B (zh) * | 2019-04-09 | 2021-11-23 | 中国科学院大连化学物理研究所 | 一种甲醇羰基化催化剂及其制备方法、应用 |
| US11732628B1 (en) | 2020-08-12 | 2023-08-22 | Old World Industries, Llc | Diesel exhaust fluid |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3634243A1 (de) * | 1986-10-08 | 1988-04-21 | Kali Chemie Ag | Zeolith-katalysator und verfahren zur katalytischen reduktion von stickoxiden |
| US4867954A (en) * | 1988-04-07 | 1989-09-19 | Uop | Catalytic reduction of nitrogen oxides |
| DE3841990A1 (de) * | 1988-12-14 | 1990-06-21 | Degussa | Verfahren zur reduktion von stickoxiden aus abgasen |
| DK0435412T3 (da) * | 1989-12-28 | 1996-04-15 | Mitsubishi Heavy Ind Ltd | Denitreringskatalysator til højtemperaturrøggas |
| DE4217552C1 (de) * | 1992-05-27 | 1993-08-19 | Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De |
-
1993
- 1993-12-31 NL NL9302288A patent/NL9302288A/nl not_active Application Discontinuation
-
1995
- 1995-01-02 DK DK95904040T patent/DK0738179T3/da active
- 1995-01-02 EP EP95904040A patent/EP0738179B1/de not_active Expired - Lifetime
- 1995-01-02 CA CA002180377A patent/CA2180377A1/en not_active Abandoned
- 1995-01-02 AU AU12844/95A patent/AU1284495A/en not_active Abandoned
- 1995-01-02 US US08/666,311 patent/US5900222A/en not_active Expired - Fee Related
- 1995-01-02 WO PCT/NL1995/000001 patent/WO1995017949A1/en not_active Ceased
- 1995-01-02 DE DE69509217T patent/DE69509217T2/de not_active Expired - Fee Related
- 1995-01-02 AT AT95904040T patent/ATE179091T1/de active
Also Published As
| Publication number | Publication date |
|---|---|
| DK0738179T3 (da) | 1999-05-31 |
| CA2180377A1 (en) | 1995-07-06 |
| DE69509217D1 (de) | 1999-05-27 |
| WO1995017949A1 (en) | 1995-07-06 |
| DE69509217T2 (de) | 1999-08-19 |
| EP0738179B1 (de) | 1999-04-21 |
| EP0738179A1 (de) | 1996-10-23 |
| US5900222A (en) | 1999-05-04 |
| AU1284495A (en) | 1995-07-17 |
| NL9302288A (nl) | 1995-07-17 |
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