HRP20000063A2 - Method for reducing nitrous oxide in gases and corresponding catalysts - Google Patents
Method for reducing nitrous oxide in gases and corresponding catalysts Download PDFInfo
- Publication number
- HRP20000063A2 HRP20000063A2 HR20000063A HRP20000063A HRP20000063A2 HR P20000063 A2 HRP20000063 A2 HR P20000063A2 HR 20000063 A HR20000063 A HR 20000063A HR P20000063 A HRP20000063 A HR P20000063A HR P20000063 A2 HRP20000063 A2 HR P20000063A2
- Authority
- HR
- Croatia
- Prior art keywords
- zirconium
- catalyst
- gases
- impregnated
- aluminate
- Prior art date
Links
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 title claims description 89
- 239000001272 nitrous oxide Substances 0.000 title claims description 38
- 239000003054 catalyst Substances 0.000 title claims description 26
- 239000007789 gas Substances 0.000 title claims description 25
- 238000000034 method Methods 0.000 title claims description 11
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 19
- 229910052726 zirconium Inorganic materials 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 17
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 12
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 12
- 150000003754 zirconium Chemical class 0.000 claims description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 150000004645 aluminates Chemical class 0.000 claims description 8
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 6
- 229910017604 nitric acid Inorganic materials 0.000 claims description 6
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 6
- 229910052697 platinum Inorganic materials 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 229910021529 ammonia Inorganic materials 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 150000002894 organic compounds Chemical class 0.000 claims description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 14
- 229960001730 nitrous oxide Drugs 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 229910052749 magnesium Inorganic materials 0.000 description 4
- 239000011777 magnesium Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000010457 zeolite Substances 0.000 description 4
- 229910021536 Zeolite Inorganic materials 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 229910052878 cordierite Inorganic materials 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical compound [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 0.000 description 3
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 3
- 238000005470 impregnation Methods 0.000 description 3
- CMOAHYOGLLEOGO-UHFFFAOYSA-N oxozirconium;dihydrochloride Chemical compound Cl.Cl.[Zr]=O CMOAHYOGLLEOGO-UHFFFAOYSA-N 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 229910052681 coesite Inorganic materials 0.000 description 2
- 229910052593 corundum Inorganic materials 0.000 description 2
- 229910052906 cristobalite Inorganic materials 0.000 description 2
- LEQAOMBKQFMDFZ-UHFFFAOYSA-N glyoxal Chemical compound O=CC=O LEQAOMBKQFMDFZ-UHFFFAOYSA-N 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical group [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000003870 refractory metal Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 229910052682 stishovite Inorganic materials 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 229910052905 tridymite Inorganic materials 0.000 description 2
- 229910001845 yogo sapphire Inorganic materials 0.000 description 2
- 229910001928 zirconium oxide Inorganic materials 0.000 description 2
- OCKGFTQIICXDQW-ZEQRLZLVSA-N 5-[(1r)-1-hydroxy-2-[4-[(2r)-2-hydroxy-2-(4-methyl-1-oxo-3h-2-benzofuran-5-yl)ethyl]piperazin-1-yl]ethyl]-4-methyl-3h-2-benzofuran-1-one Chemical compound C1=C2C(=O)OCC2=C(C)C([C@@H](O)CN2CCN(CC2)C[C@H](O)C2=CC=C3C(=O)OCC3=C2C)=C1 OCKGFTQIICXDQW-ZEQRLZLVSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 229910006213 ZrOCl2 Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 230000004931 aggregating effect Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical class [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910001657 ferrierite group Inorganic materials 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012812 general test Methods 0.000 description 1
- 229940015043 glyoxal Drugs 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910000480 nickel oxide Inorganic materials 0.000 description 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical class [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 229910003158 γ-Al2O3 Inorganic materials 0.000 description 1
Classifications
-
- 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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/066—Zirconium or hafnium; Oxides or hydroxides 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
- B01D53/74—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
-
- 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
- C01B21/02—Preparation of nitrogen
-
- 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
- C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
- C01B21/24—Nitric oxide (NO)
-
- 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
- C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
- C01B21/24—Nitric oxide (NO)
- C01B21/26—Preparation by catalytic or non-catalytic oxidation of ammonia
- C01B21/265—Preparation by catalytic or non-catalytic oxidation of ammonia characterised by the catalyst
-
- 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
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/10—Capture or disposal of greenhouse gases of nitrous oxide (N2O)
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/151—Reduction of greenhouse gas [GHG] emissions, e.g. CO2
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9807101A FR2779360B1 (fr) | 1998-06-05 | 1998-06-05 | Procede pour l'abattement du protoxyde d'azote dans les gaz et catalyseurs correspondants |
PCT/FR1999/001271 WO1999064139A1 (fr) | 1998-06-05 | 1999-05-31 | Procede pour l'abattement du protoxyde d'azote dans les gaz et catalyseurs correspondants |
Publications (1)
Publication Number | Publication Date |
---|---|
HRP20000063A2 true HRP20000063A2 (en) | 2001-12-31 |
Family
ID=9527067
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HR20000063A HRP20000063A2 (en) | 1998-06-05 | 2000-02-03 | Method for reducing nitrous oxide in gases and corresponding catalysts |
Country Status (14)
Country | Link |
---|---|
EP (1) | EP1017478A1 (bg) |
CN (1) | CN1274297A (bg) |
AU (1) | AU3833199A (bg) |
BG (1) | BG104214A (bg) |
BR (1) | BR9906483A (bg) |
CA (1) | CA2299562A1 (bg) |
FR (1) | FR2779360B1 (bg) |
HR (1) | HRP20000063A2 (bg) |
HU (1) | HUP0100827A3 (bg) |
IL (1) | IL134307A0 (bg) |
PL (1) | PL338216A1 (bg) |
TR (1) | TR200000336T1 (bg) |
WO (1) | WO1999064139A1 (bg) |
ZA (1) | ZA200000838B (bg) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10006103A1 (de) * | 2000-02-11 | 2001-08-16 | Krupp Uhde Gmbh | Katalysator zum Abbau von N¶2¶O, dessen Verwendung bei der Salpetersäureproduktion sowie Verfahren zu seiner Herstellung |
DE102004024026A1 (de) | 2004-03-11 | 2005-09-29 | W.C. Heraeus Gmbh | Katalysator zur N2O-Zersetzung beim Ostwaldprozess |
US20050202966A1 (en) | 2004-03-11 | 2005-09-15 | W.C. Heraeus Gmbh | Catalyst for the decomposition of N2O in the Ostwald process |
PL388518A1 (pl) | 2009-07-10 | 2011-01-17 | Instytut Nawozów Sztucznych | Katalizator do wysokotemperaturowego rozkładu podtlenku azotu |
CN103586040B (zh) * | 2013-11-13 | 2017-02-08 | 刘崇莲 | 一种处理n2o的催化剂及其制备工艺 |
PL237044B1 (pl) | 2015-03-13 | 2021-03-08 | Inst Nowych Syntez Chemicznych | Nośnikowy katalizator do redukcji emisji tlenku azotu(I) z instalacji kwasu azotowego oraz sposób jego wytwarzania |
CN105363451B (zh) * | 2015-12-04 | 2018-01-26 | 中国天辰工程有限公司 | 一种用于分解n2o的高效催化剂及其制备方法和应用 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2546769A1 (fr) * | 1983-06-03 | 1984-12-07 | Pro Catalyse | Supports de catalyseur hydrothermiquement stables a base d'alumine |
DE3541705A1 (de) * | 1985-11-26 | 1987-05-27 | Eugen Dipl Chem Dr Phil Dumont | Katalysatormassen aus metallkeramik fuer die reduktion von oxiden des schwefels und stickstoffs in gasstroemen |
JP3029512B2 (ja) * | 1992-08-28 | 2000-04-04 | 出光興産株式会社 | 燃焼ガスの亜酸化窒素除去方法 |
US5478549A (en) * | 1994-12-15 | 1995-12-26 | E. I. Du Pont De Nemours And Company | Production of nitric oxide |
-
1998
- 1998-06-05 FR FR9807101A patent/FR2779360B1/fr not_active Expired - Fee Related
-
1999
- 1999-05-31 CN CN99801299A patent/CN1274297A/zh active Pending
- 1999-05-31 WO PCT/FR1999/001271 patent/WO1999064139A1/fr not_active Application Discontinuation
- 1999-05-31 PL PL99338216A patent/PL338216A1/xx not_active Application Discontinuation
- 1999-05-31 CA CA002299562A patent/CA2299562A1/fr not_active Abandoned
- 1999-05-31 BR BR9906483-9A patent/BR9906483A/pt not_active Application Discontinuation
- 1999-05-31 IL IL13430799A patent/IL134307A0/xx unknown
- 1999-05-31 EP EP99920945A patent/EP1017478A1/fr not_active Withdrawn
- 1999-05-31 AU AU38331/99A patent/AU3833199A/en not_active Abandoned
- 1999-05-31 HU HU0100827A patent/HUP0100827A3/hu unknown
- 1999-05-31 TR TR2000/00336T patent/TR200000336T1/xx unknown
-
2000
- 2000-02-03 HR HR20000063A patent/HRP20000063A2/hr not_active Application Discontinuation
- 2000-02-21 ZA ZA200000838A patent/ZA200000838B/xx unknown
- 2000-03-02 BG BG104214A patent/BG104214A/bg unknown
Also Published As
Publication number | Publication date |
---|---|
BG104214A (bg) | 2000-08-31 |
BR9906483A (pt) | 2000-09-26 |
HUP0100827A2 (hu) | 2001-06-28 |
ZA200000838B (en) | 2000-09-13 |
CN1274297A (zh) | 2000-11-22 |
AU3833199A (en) | 1999-12-30 |
PL338216A1 (en) | 2000-10-09 |
HUP0100827A3 (en) | 2003-02-28 |
IL134307A0 (en) | 2001-04-30 |
TR200000336T1 (tr) | 2000-10-23 |
EP1017478A1 (fr) | 2000-07-12 |
FR2779360B1 (fr) | 2000-09-08 |
CA2299562A1 (fr) | 1999-12-16 |
FR2779360A1 (fr) | 1999-12-10 |
WO1999064139A1 (fr) | 1999-12-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6080281A (en) | Scrubbing of contaminants from contaminated air streams with aerogel materials with optional photocatalytic destruction | |
JP5526410B2 (ja) | 排ガス中の窒素酸化物除去方法 | |
JP5261189B2 (ja) | Nox選択的触媒還元効率の改善されたゼオライト触媒 | |
EP3369897B1 (en) | System for the purification of exhaust gas from an internal combustion engine | |
US6610264B1 (en) | Process and system for desulfurizing a gas stream | |
US8871673B2 (en) | Catalyst production method therefor and use thereof for decomposing N2O | |
JP2002520136A (ja) | イオウ化合物を含有する排ガスを処理する方法と触媒/吸着材 | |
PL202181B1 (pl) | Sposób rozkładu N₂O, katalizator do rozkładu N₂O oraz sposób jego wytwarzania | |
CA2092265A1 (en) | Process for controlled n2o decomposition in an n20-containing gas stream | |
JP2656061B2 (ja) | 窒素酸化物を含有する酸化ガス排出物の精製方法 | |
HRP20000063A2 (en) | Method for reducing nitrous oxide in gases and corresponding catalysts | |
Jun et al. | Effects of Ce-doping on the structure and NH3-SCR activity of Fe/Beta catalyst | |
KR20150015465A (ko) | NOx 트랩 조성물 | |
US10226755B2 (en) | NOx storage reduction catalyst for purifying exhaust gas and exhaust gas purification method using said catalyst | |
EP1390293B1 (en) | Process for the preparation of ammonia oxidation | |
JPS637826A (ja) | ガス混合物中の亜酸化窒素の除去方法 | |
JP2006026635A (ja) | 排ガス中の窒素酸化物除去方法 | |
EP0822005A2 (en) | Catalyst and method for purifying exhaust gases | |
JPH04244218A (ja) | 排気ガス浄化方法 | |
KR101400608B1 (ko) | 암모니아를 질소로 전환하는 선택적 산화 촉매와 그 제조방법 및 이를 이용하여 암모니아를 선택적으로 산화시키는 방법 | |
CZ2000427A3 (cs) | Způsob snižování obsahu oxidu dusného v plynech a katalyzátor k provádění tohoto způsobu | |
KR20240061767A (ko) | Cu-CHA 제올라이트 촉매 | |
JP2004518521A (ja) | 硫化水素を除去する装置および方法 | |
JP2015196141A (ja) | 排ガス浄化用触媒、それを用いた排ガス浄化フィルタ及び排ガス浄化方法 | |
MXPA00001211A (en) | Method for reducing nitrous oxide in gases and corresponding catalysts |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AIPI | Request for the grant of a patent on the basis of a substantive examination of a patent application | ||
A1OB | Publication of a patent application | ||
ODRP | Renewal fee for the maintenance of a patent |
Payment date: 20020203 Year of fee payment: 3 |
|
ODBI | Application refused |