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
-
- 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
-
- 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
- B01D53/9422—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)
-
- 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
- B01J23/16—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
-
- 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
- B01J23/16—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
-
- 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
- B01J23/16—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
-
- 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
- B01J23/16—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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1021—Platinum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1023—Palladium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/10—Noble metals or compounds thereof
- B01D2255/102—Platinum group metals
- B01D2255/1025—Rhodium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/204—Alkaline earth metals
- B01D2255/2042—Barium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20723—Vanadium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/2073—Manganese
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20769—Molybdenum
-
- 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
-
- 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
-
- 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
- B01J35/63—Pore volume
- B01J35/633—Pore volume less than 0.5 ml/g
-
- 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
- B01J35/63—Pore volume
- B01J35/635—0.5-1.0 ml/g
-
- 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
- B01J35/64—Pore diameter
- B01J35/647—2-50 nm
-
- 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
- B01J35/64—Pore diameter
- B01J35/651—50-500 nm
-
- 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
- B01J35/66—Pore distribution
- B01J35/69—Pore distribution bimodal
-
- 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
-
- 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
-
- 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)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (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 (https=) |
| EP (1) | EP0768110B1 (https=) |
| JP (1) | JPH09122500A (https=) |
| KR (2) | KR100426542B1 (https=) |
| DE (1) | DE69619327T2 (https=) |
| DK (1) | DK0768110T3 (https=) |
| NL (1) | NL1004224C2 (https=) |
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 |
| JP2004502807A (ja) * | 2000-07-03 | 2004-01-29 | ビーエーエスエフ アクチェンゲゼルシャフト | 改良された触媒およびポリテトラヒドロフランの製法 |
| KR100533877B1 (ko) * | 2003-05-03 | 2005-12-29 | 동양종합건설 주식회사 | 다이옥신을 포함한 방향족할로겐화합물, 일산화탄소 및질소산화물을 제거하는 촉매 및 이의 용도 |
| KR100840721B1 (ko) | 2007-04-02 | 2008-06-23 | 아주대학교산학협력단 | 산화질소 제거용 촉매의 제조방법 및 이로부터 제조된산화질소 제거용 촉매 |
| CN102015104A (zh) * | 2008-03-25 | 2011-04-13 | 巴布考克日立株式会社 | 抑制铁化合物影响的排气净化催化剂 |
| WO2012086413A1 (ja) * | 2010-12-20 | 2012-06-28 | 三菱重工業株式会社 | 脱硝触媒用担体 |
| 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 |
| MX390200B (es) | 2015-05-15 | 2025-03-20 | Huntsman P&A Germany Gmbh | Oxido de titanio pulverizado, procesos para preparar el mismo y uso de este. |
| EP3377198A1 (en) | 2015-11-18 | 2018-09-26 | Shell Internationale Research Maatschappij B.V. | Improved process for removing nox from exhaust gas |
| JP6929288B2 (ja) * | 2015-12-22 | 2021-09-01 | 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 | 触媒床、及び酸化窒素を減少させるための方法 |
| JP2019508221A (ja) * | 2015-12-22 | 2019-03-28 | 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 | 酸化窒素を減少させるための反応器 |
| JP7041062B2 (ja) | 2015-12-22 | 2022-03-23 | 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 | 触媒床、及び酸化窒素を減少させるための方法 |
| EP3511071B1 (en) | 2016-09-12 | 2023-02-15 | The Chugoku Electric Power Co., Inc. | Use of a denitration catalyst and production method for it |
| CA3109383A1 (en) | 2018-08-22 | 2020-02-27 | Shell Internationale Research Maatschappij B.V. | A selective catalytic reduction process and method of regenerating deactivated scr catalyst of a parallel flue gas treating system |
| US10814278B2 (en) | 2018-08-22 | 2020-10-27 | Shell Oil Company | Selective catalytic reduction process and off-line regeneration of deactivated catalyst of the process |
| WO2020041136A1 (en) | 2018-08-22 | 2020-02-27 | Shell Oil Company | A selective catalytic reduction process and off-line regeneration of deactivated catalyst of the process |
| US11839851B2 (en) | 2021-05-10 | 2023-12-12 | Shell Usa, Inc. | Reactor system including a catalyst bed module and process for the selective catalytic reduction of nitrogen oxides contained in gas streams |
| WO2026075873A1 (en) | 2024-10-04 | 2026-04-09 | Shell Usa, Inc. | Exhaust gas processing system and method |
Family Cites Families (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US4891348A (en) * | 1986-07-25 | 1990-01-02 | Mitsubishi Petrochemical Co., Ltd. | 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 |
| US5169619A (en) * | 1988-05-28 | 1992-12-08 | Sakai Chemical Industry Co., Ltd. | Method of producing titanium oxides |
| US5137855A (en) * | 1988-06-09 | 1992-08-11 | W. R. Grace & Co.-Conn. | Catalysts for selective catalytic reduction denox technology |
| US4929586A (en) * | 1988-06-09 | 1990-05-29 | W. R. Grace & Co.-Conn. | Catalysts for selective catalytic reduction DeNOx technology |
| DE3906136C1 (https=) * | 1989-02-28 | 1990-08-09 | Degussa Ag, 6000 Frankfurt, De | |
| US5198403A (en) * | 1989-02-28 | 1993-03-30 | Degussa Ag | Process for producing a catalyst for selective reduction of nitrous oxides with ammonia |
| 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. |
| JP3352494B2 (ja) * | 1993-03-25 | 2002-12-03 | 三井鉱山株式会社 | 窒素酸化物分解触媒及びそれを用いた脱硝方法 |
| 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 DK DK96202764T patent/DK0768110T3/da active
- 1996-10-03 DE DE69619327T patent/DE69619327T2/de not_active Expired - Lifetime
- 1996-10-07 KR KR1019960044377A patent/KR100426542B1/ko not_active Expired - Lifetime
- 1996-10-07 JP JP8266183A patent/JPH09122500A/ja active Pending
- 1996-10-08 NL NL1004224A patent/NL1004224C2/nl not_active IP Right Cessation
- 1996-10-08 US US08/727,104 patent/US6419889B1/en not_active Expired - Lifetime
- 1996-10-14 KR KR1019960045758A patent/KR100213183B1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP0768110A1 (en) | 1997-04-16 |
| JPH09122500A (ja) | 1997-05-13 |
| KR970020184A (ko) | 1997-05-28 |
| EP0768110B1 (en) | 2002-02-20 |
| KR100426542B1 (ko) | 2004-06-12 |
| DE69619327D1 (de) | 2002-03-28 |
| NL1004224A1 (nl) | 1996-11-08 |
| NL1004224C2 (nl) | 1997-01-13 |
| DK0768110T3 (da) | 2002-05-27 |
| KR970020188A (ko) | 1997-05-28 |
| US6419889B1 (en) | 2002-07-16 |
| KR100213183B1 (ko) | 1999-08-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE69619327T2 (de) | Katalysator und Verfahren zur Umwandlung von Stickstoffoxiden | |
| EP0213458B1 (de) | Katalysator zur Verringerung des Stickoxidgehalts von Verbrennungsabgasen | |
| EP1106247B1 (de) | Katalysator, Verfahren zu seiner Herstellung und seine Verwendung für die Produktion von Vinylacetatmonomer | |
| DE68904053T2 (de) | Abgaskatalysatortraeger, verfahren zu seiner herstellung und abgaskatalysator, der diesen traeger enthaelt. | |
| DE69205669T2 (de) | Katalysator zur Reinigung von Abgasen. | |
| DE69118161T2 (de) | Katalysator und Methode zum Zersetzen von Ozon durch seine Verwendung | |
| DE69003978T3 (de) | Titanoxyd-Extrudate. | |
| DE69614294T2 (de) | Eisen und Kobalt enthaltende Fischer-Tropschkatalysatoren | |
| DE69004628T2 (de) | Kohlenwasserstoffdampfreformierungskatalysator. | |
| DE3220671C2 (https=) | ||
| DE69707281T2 (de) | Katalysatorträger | |
| DE69414063T2 (de) | Stickstoffoxyd-zersetzender katalysator und entstickungsverfahren unter verwendung desselben | |
| DE68918345T2 (de) | Katalysator, verwendbar für die selektive Reduktion von Stickstoffoxiden. | |
| EP0226983B1 (de) | Eisenhaltiger Katalysator zur Verringerung des Stickoxidgehalts von Verbrennungsabgasen | |
| DE69727038T2 (de) | Verfahren für die direkte oxidation von schwefelverbindungen zu elementarem schwefel mit einem kupfer enthaltenden katalysator | |
| DE69207832T2 (de) | Katalysator und Verfahren zur Behandlung von Schwefelkomponenten enthaltenden Gasen | |
| DE3008306C2 (de) | Katalysator auf der Basis von Aluminiumoxid als Träger und Vanadiumoxid und seine Verwendung zum Entfernen von Stickoxiden aus Abgasen | |
| DE2363865A1 (de) | Verfahren zur entfernung von stickoxiden aus gasmischungen | |
| EP0211224A1 (de) | Verwendung eines Katalysators zur Verminderung des Stickoxidgehalts von Verbrennungsabgasen | |
| DE2559009C3 (de) | Fester Tragerkatalysator zur katalytischen Reduktion von Stickstoffoxiden | |
| DE2362255B2 (de) | Verfahren zur beseitigung von stickoxiden in abgasen | |
| DE1442731A1 (de) | Verfahren zur Umsetzung von Kohlenwasserstoffen mit Dampf unter Verwendung eines Katalysators | |
| DE1281408B (de) | Verfahren zur Herstellung eines Traeger-Katalysators fuer die Nachverbrennung von Abgasen aus Verbrennungskraftmaschinen | |
| WO1994018118A1 (de) | Chromfreier katalysator auf basis eisenoxid zur konvertierung von kohlenmonoxid | |
| EP0472014B1 (de) | Verfahren zur Herstellung von Katalysatoren |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition |