DE69619327T2 - Katalysator und Verfahren zur Umwandlung von Stickstoffoxiden - Google Patents
Katalysator und Verfahren zur Umwandlung von StickstoffoxidenInfo
- Publication number
- DE69619327T2 DE69619327T2 DE69619327T DE69619327T DE69619327T2 DE 69619327 T2 DE69619327 T2 DE 69619327T2 DE 69619327 T DE69619327 T DE 69619327T DE 69619327 T DE69619327 T DE 69619327T DE 69619327 T2 DE69619327 T2 DE 69619327T2
- Authority
- DE
- Germany
- Prior art keywords
- catalyst
- surface area
- support
- titanium oxide
- compounds
- 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 - Lifetime
Links
- 239000003054 catalyst Substances 0.000 title claims description 81
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title claims description 29
- 238000000034 method Methods 0.000 title claims description 20
- 230000008569 process Effects 0.000 title claims description 18
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 41
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 30
- 239000011148 porous material Substances 0.000 claims description 29
- 150000002736 metal compounds Chemical class 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 17
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 14
- 238000001354 calcination Methods 0.000 claims description 14
- 229910052720 vanadium Inorganic materials 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 13
- 239000000843 powder Substances 0.000 claims description 13
- 150000001875 compounds Chemical class 0.000 claims description 10
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 8
- 238000001125 extrusion Methods 0.000 claims description 8
- 229910052750 molybdenum Inorganic materials 0.000 claims description 8
- 239000011733 molybdenum Substances 0.000 claims description 8
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 8
- 229910052721 tungsten Inorganic materials 0.000 claims description 8
- 239000010937 tungsten Substances 0.000 claims description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims description 7
- 238000001179 sorption measurement Methods 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 150000002739 metals Chemical class 0.000 claims description 3
- 230000002902 bimodal effect Effects 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 claims 2
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 13
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 12
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 10
- 239000007789 gas Substances 0.000 description 10
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 241000264877 Hippospongia communis Species 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 235000006408 oxalic acid Nutrition 0.000 description 4
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 150000001495 arsenic compounds Chemical class 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 3
- 229910052753 mercury Inorganic materials 0.000 description 3
- 239000002594 sorbent Substances 0.000 description 3
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 3
- 229910052815 sulfur oxide Inorganic materials 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229940093920 gynecological arsenic compound Drugs 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000004519 manufacturing process Methods 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
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000001935 peptisation Methods 0.000 description 2
- 238000002459 porosimetry Methods 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- DLUREXGYLIQGCG-UHFFFAOYSA-I [NH4+].[V+5].[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O Chemical compound [NH4+].[V+5].[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O.[O-]C(=O)C([O-])=O DLUREXGYLIQGCG-UHFFFAOYSA-I 0.000 description 1
- 230000003444 anaesthetic effect Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 229940043430 calcium compound Drugs 0.000 description 1
- 150000001674 calcium compounds Chemical class 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 150000002506 iron compounds Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052976 metal sulfide Inorganic materials 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000011949 solid catalyst Substances 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
- 239000001117 sulphuric acid Substances 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- HDUMBHAAKGUHAR-UHFFFAOYSA-J titanium(4+);disulfate Chemical compound [Ti+4].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O HDUMBHAAKGUHAR-UHFFFAOYSA-J 0.000 description 1
- 150000003623 transition metal compounds Chemical class 0.000 description 1
Classifications
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- 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
- B01J21/063—Titanium; Oxides or hydroxides thereof
-
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/56—Platinum group metals
- B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/656—Manganese, technetium or rhenium
- B01J23/6562—Manganese
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- 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
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- 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
- B01D53/9422—Processes characterised by a specific catalyst for removing nitrogen oxides by NOx storage or reduction by cyclic switching between lean and rich exhaust gases (LNT, NSC, NSR)
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- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/20—Vanadium, niobium or tantalum
- B01J23/22—Vanadium
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- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/24—Chromium, molybdenum or tungsten
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- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/24—Chromium, molybdenum or tungsten
- B01J23/28—Molybdenum
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- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/24—Chromium, molybdenum or tungsten
- B01J23/30—Tungsten
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- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
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- B01D2255/1021—Platinum
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- B01D2255/2042—Barium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D2255/20723—Vanadium
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- B01D2255/2073—Manganese
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/90—Physical characteristics of catalysts
- B01D2255/91—NOx-storage component incorporated in the catalyst
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- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/61—Surface area
- B01J35/613—10-100 m2/g
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- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/63—Pore volume
- B01J35/633—Pore volume less than 0.5 ml/g
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- B01J35/635—0.5-1.0 ml/g
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- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/64—Pore diameter
- B01J35/647—2-50 nm
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/64—Pore diameter
- B01J35/651—50-500 nm
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/66—Pore distribution
- B01J35/69—Pore distribution bimodal
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- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
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- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0201—Impregnation
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- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S502/00—Catalyst, solid sorbent, or support therefor: product or process of making
- Y10S502/525—Perovskite
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP95202713 | 1995-10-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69619327D1 DE69619327D1 (de) | 2002-03-28 |
| DE69619327T2 true DE69619327T2 (de) | 2002-07-18 |
Family
ID=8220701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69619327T Expired - Lifetime DE69619327T2 (de) | 1995-10-09 | 1996-10-03 | Katalysator und Verfahren zur Umwandlung von Stickstoffoxiden |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6419889B1 (cg-RX-API-DMAC10.html) |
| EP (1) | EP0768110B1 (cg-RX-API-DMAC10.html) |
| JP (1) | JPH09122500A (cg-RX-API-DMAC10.html) |
| KR (2) | KR100426542B1 (cg-RX-API-DMAC10.html) |
| DE (1) | DE69619327T2 (cg-RX-API-DMAC10.html) |
| DK (1) | DK0768110T3 (cg-RX-API-DMAC10.html) |
| NL (1) | NL1004224C2 (cg-RX-API-DMAC10.html) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100314758B1 (ko) * | 1999-10-19 | 2001-11-15 | 이종훈 | 배기가스에 함유된 질소산화물 제거용 오산화바나듐계 촉매 및그 제조방법 |
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| KR100840721B1 (ko) | 2007-04-02 | 2008-06-23 | 아주대학교산학협력단 | 산화질소 제거용 촉매의 제조방법 및 이로부터 제조된산화질소 제거용 촉매 |
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| US9242211B2 (en) | 2011-05-30 | 2016-01-26 | The Babcock & Wilcox Company | Catalysts possessing an improved resistance to poisoning |
| EP3202495B1 (en) * | 2014-10-02 | 2025-11-26 | Cataler Corporation | Exhaust-gas purification catalyst |
| TWI618578B (zh) | 2015-05-15 | 2018-03-21 | Sachtleben Chemie Gmbh | 粉狀氧化鈦、其製備方法及其用途 |
| EP3377198A1 (en) | 2015-11-18 | 2018-09-26 | Shell Internationale Research Maatschappij B.V. | Improved process for removing nox from exhaust gas |
| EP3393629B1 (en) | 2015-12-22 | 2021-01-20 | Shell Internationale Research Maatschappij B.V. | A catalyst bed and method for reducing nitrogen oxides |
| CN108472583A (zh) * | 2015-12-22 | 2018-08-31 | 国际壳牌研究有限公司 | 一种用于减少氮氧化物的反应器 |
| US11020732B2 (en) | 2015-12-22 | 2021-06-01 | Shell Oil Company | Catalyst bed and method for reducing nitrogen oxides |
| US20180272318A1 (en) * | 2016-09-12 | 2018-09-27 | The Chugoku Electric Power Co., Inc. | Denitration catalyst and method for producing the same |
| CN112638504A (zh) | 2018-08-22 | 2021-04-09 | 国际壳牌研究有限公司 | 选择性催化还原方法和使方法的失活的催化剂再生的方法 |
| JP2021533989A (ja) | 2018-08-22 | 2021-12-09 | シエル・インターナシヨナル・リサーチ・マートスハツペイ・ベー・ヴエー | 並列煙道ガス処理システムの不活性化されたｓｃｒ触媒を再生する選択的触媒還元プロセスおよび方法 |
| JP2021534961A (ja) | 2018-08-22 | 2021-12-16 | シエル・インターナシヨナル・リサーチ・マートスハツペイ・ベー・ヴエー | 選択的触媒還元プロセスおよびそのプロセスの不活性化触媒のオフライン再生 |
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| WO2026075873A1 (en) | 2024-10-04 | 2026-04-09 | Shell Usa, Inc. | Exhaust gas processing system and method |
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| US4061596A (en) * | 1974-12-02 | 1977-12-06 | Mitsubishi Chemical Industries Ltd. | Process for preparing titanium oxide shaped carrier |
| GB1541928A (en) * | 1975-12-23 | 1979-03-14 | Sakai Chemical Industry Co | Production of shaped catalysts or carriers comprising titanium oxide |
| JPS5915022B2 (ja) * | 1976-03-26 | 1984-04-07 | 株式会社日立製作所 | 排ガス中の窒素酸化物除去用触媒 |
| CA1291743C (en) * | 1986-07-25 | 1991-11-05 | Makoto Imanari | Catalyst for removing nitrogen oxides in exhaust gases |
| CA1310005C (en) | 1986-09-13 | 1992-11-10 | Hiroaki Rikimaru | Catalyst and a method for denitrizing nitrogen oxides contained in waste gases |
| CA1297470C (en) | 1986-09-30 | 1992-03-17 | Hiroaki Rikimaru | Catalyst and a method for denitrizing nitrogen oxides contained in waste gases |
| JPH0817939B2 (ja) * | 1986-11-19 | 1996-02-28 | 三菱化学株式会社 | 排煙脱硝触媒 |
| JP2583911B2 (ja) * | 1987-10-26 | 1997-02-19 | バブコツク日立株式会社 | 窒素酸化物除去用触媒 |
| DE3736478A1 (de) * | 1987-10-28 | 1989-05-11 | Huels Chemische Werke Ag | Verfahren zur herstellung eines gegen arsenvergiftung resistenten katalysators zur entfernung von stickoxiden aus abgasen |
| JP2653799B2 (ja) * | 1987-11-16 | 1997-09-17 | バブコツク日立株式会社 | 窒素酸化物の除去方法および該方法に用いる触媒 |
| US5225390A (en) * | 1988-02-23 | 1993-07-06 | Siemens Aktiengesellschaft | Catalyst for reducing nitrogen oxides |
| DE3805564A1 (de) * | 1988-02-23 | 1989-08-31 | Siemens Ag | Katalysator zur minderung der stickoxide und verfahren zu seiner herstellung |
| DE3816599C1 (en) * | 1988-05-14 | 1989-03-16 | Huels Ag, 4370 Marl, De | Process for eliminating arsenic compounds from exhaust gases |
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| US5198403A (en) * | 1989-02-28 | 1993-03-30 | Degussa Ag | Process for producing a catalyst for selective reduction of nitrous oxides with ammonia |
| DE3906136C1 (cg-RX-API-DMAC10.html) * | 1989-02-28 | 1990-08-09 | Degussa Ag, 6000 Frankfurt, De | |
| GB8906726D0 (en) | 1989-03-23 | 1989-05-10 | Shell Int Research | Titania extrudates |
| DE4012479A1 (de) * | 1990-04-19 | 1991-10-24 | Degussa | Titandioxidpresslinge, verfahren zu ihrer herstellung sowie ihre verwendung |
| RU1799287C (ru) * | 1990-09-17 | 1993-02-28 | Институт катализа СО РАН | Способ очистки газов от оксидов азота |
| FR2684899B1 (fr) * | 1991-12-16 | 1994-03-25 | Rhone Poulenc Chimie | Catalyseur de reduction selective des oxydes d'azote contenus dans un flux gazeux et application desdits catalyseurs. |
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| DE4321555C1 (de) * | 1993-06-29 | 1994-09-15 | Bayer Ag | Verfahren zur Herstellung von Mischoxidpulvern für Entstickungskatalysatoren |
-
1996
- 1996-10-03 EP EP96202764A patent/EP0768110B1/en not_active Expired - Lifetime
- 1996-10-03 DE DE69619327T patent/DE69619327T2/de not_active Expired - Lifetime
- 1996-10-03 DK DK96202764T patent/DK0768110T3/da active
- 1996-10-07 JP JP8266183A patent/JPH09122500A/ja active Pending
- 1996-10-07 KR KR1019960044377A patent/KR100426542B1/ko not_active Expired - Lifetime
- 1996-10-08 US US08/727,104 patent/US6419889B1/en not_active Expired - Lifetime
- 1996-10-08 NL NL1004224A patent/NL1004224C2/nl not_active IP Right Cessation
- 1996-10-14 KR KR1019960045758A patent/KR100213183B1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE69619327D1 (de) | 2002-03-28 |
| KR100426542B1 (ko) | 2004-06-12 |
| US6419889B1 (en) | 2002-07-16 |
| EP0768110A1 (en) | 1997-04-16 |
| EP0768110B1 (en) | 2002-02-20 |
| NL1004224A1 (nl) | 1996-11-08 |
| KR970020184A (ko) | 1997-05-28 |
| KR100213183B1 (ko) | 1999-08-02 |
| DK0768110T3 (da) | 2002-05-27 |
| NL1004224C2 (nl) | 1997-01-13 |
| JPH09122500A (ja) | 1997-05-13 |
| KR970020188A (ko) | 1997-05-28 |
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