KR100838500B1 - 질소 산화물의 환원방법 및 이를 위한 촉매 - Google Patents
질소 산화물의 환원방법 및 이를 위한 촉매 Download PDFInfo
- Publication number
- KR100838500B1 KR100838500B1 KR1020010021494A KR20010021494A KR100838500B1 KR 100838500 B1 KR100838500 B1 KR 100838500B1 KR 1020010021494 A KR1020010021494 A KR 1020010021494A KR 20010021494 A KR20010021494 A KR 20010021494A KR 100838500 B1 KR100838500 B1 KR 100838500B1
- Authority
- KR
- South Korea
- Prior art keywords
- exhaust gas
- catalyst
- nitrogen
- reduction
- ammonia
- Prior art date
Links
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title claims abstract description 137
- 239000003054 catalyst Substances 0.000 title claims abstract description 119
- 238000000034 method Methods 0.000 title claims abstract description 32
- 239000007789 gas Substances 0.000 claims abstract description 73
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 56
- 238000006722 reduction reaction Methods 0.000 claims abstract description 36
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 28
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000010457 zeolite Substances 0.000 claims abstract description 27
- 238000010531 catalytic reduction reaction Methods 0.000 claims abstract description 14
- 238000002485 combustion reaction Methods 0.000 claims abstract description 7
- 229910052723 transition metal Inorganic materials 0.000 claims abstract description 7
- 150000003624 transition metals Chemical class 0.000 claims abstract description 7
- 230000003647 oxidation Effects 0.000 claims description 25
- 238000007254 oxidation reaction Methods 0.000 claims description 25
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 20
- 229910021536 Zeolite Inorganic materials 0.000 claims description 17
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 17
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 13
- 229910052742 iron Inorganic materials 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 8
- 229910052697 platinum Inorganic materials 0.000 claims description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- 229910052720 vanadium Inorganic materials 0.000 claims description 6
- 229910052684 Cerium Inorganic materials 0.000 claims description 5
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 5
- 239000004202 carbamide Substances 0.000 claims description 5
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 claims description 5
- 230000001590 oxidative effect Effects 0.000 claims description 5
- 230000007062 hydrolysis Effects 0.000 claims description 4
- 238000006460 hydrolysis reaction Methods 0.000 claims description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 3
- 229910052771 Terbium Inorganic materials 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 239000011651 chromium Substances 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 claims description 3
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 claims description 3
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 claims description 2
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 claims description 2
- 239000012013 faujasite Substances 0.000 claims description 2
- 229910001657 ferrierite group Inorganic materials 0.000 claims description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 2
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 claims 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 28
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 14
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 238000000576 coating method Methods 0.000 description 9
- 239000011248 coating agent Substances 0.000 description 8
- 239000000843 powder Substances 0.000 description 8
- 229910001868 water Inorganic materials 0.000 description 8
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 238000005342 ion exchange Methods 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 5
- 150000003682 vanadium compounds Chemical class 0.000 description 5
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 4
- 229910010413 TiO 2 Inorganic materials 0.000 description 4
- 238000003483 aging Methods 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 4
- -1 copper cations Chemical class 0.000 description 4
- 229910001431 copper ion Inorganic materials 0.000 description 4
- 150000002500 ions Chemical group 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 3
- UJVRJBAUJYZFIX-UHFFFAOYSA-N nitric acid;oxozirconium Chemical compound [Zr]=O.O[N+]([O-])=O.O[N+]([O-])=O UJVRJBAUJYZFIX-UHFFFAOYSA-N 0.000 description 3
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 229910001928 zirconium oxide Inorganic materials 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical class [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 229910021577 Iron(II) chloride Inorganic materials 0.000 description 2
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- XHCLAFWTIXFWPH-UHFFFAOYSA-N [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] XHCLAFWTIXFWPH-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 229910052878 cordierite Inorganic materials 0.000 description 2
- 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 2
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 description 2
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 229910001935 vanadium oxide Inorganic materials 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 150000002505 iron Chemical class 0.000 description 1
- 235000014413 iron hydroxide Nutrition 0.000 description 1
- 159000000014 iron salts Chemical class 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 229910052680 mordenite Inorganic materials 0.000 description 1
- 239000001272 nitrous oxide Substances 0.000 description 1
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 description 1
- GSWAOPJLTADLTN-UHFFFAOYSA-N oxidanimine Chemical compound [O-][NH3+] GSWAOPJLTADLTN-UHFFFAOYSA-N 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 229910001428 transition metal ion Inorganic materials 0.000 description 1
- 229910001930 tungsten oxide Inorganic materials 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
-
- 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
- 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
- B01D53/9459—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts
- B01D53/9477—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on separate bricks, e.g. exhaust systems
-
- 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
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/064—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof containing iron group metals, noble metals or copper
- B01J29/072—Iron group metals or copper
-
- 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
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/40—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
- B01J29/42—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively containing iron group metals, noble metals or copper
- B01J29/46—Iron group metals or copper
-
- 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
- B01J37/0215—Coating
-
- 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
- B01D2251/2067—Urea
-
- 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
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20738—Iron
-
- 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
- B01D2255/20761—Copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/50—Zeolites
- B01D2255/504—ZSM 5 zeolites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/80—Type of catalytic reaction
- B01D2255/808—Hydrolytic
-
- 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
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
- B01J35/56—Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional monoliths
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
-
- 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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Materials Engineering (AREA)
- Analytical Chemistry (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Toxicology (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Exhaust Gas After Treatment (AREA)
- Treating Waste Gases (AREA)
Abstract
Description
Claims (15)
- 배기 가스에 존재하는 일산화질소의 일부를 전기 가스 방전의 부재하에 이산화질소로 산화시켜 배기 가스에 존재하는 질소 산화물이 환원 촉매와 접촉하기 전에 이산화질소를 30 내지 70용적% 포함하도록 함으로써, 암모니아를 사용하는 환원 촉매에서의 선택적인 촉매 환원에 의해 내연 기관으로부터의 희박 배기 가스(lean exhaust gas)에 존재하는 질소 산화물을 환원시키는 방법으로서,배기 가스에 존재하는 일산화질소를 산화 촉매의 존재하에 산화시킨 다음, 배기 가스를 암모니아와 함께 전이 금속으로 교환된 제올라이트 함유 환원 촉매로 통과시켜 환원시킴을 특징으로 하는, 질소 산화물의 환원방법.
- 제1항에 있어서, 전이 금속이 바나듐, 크롬, 철, 니켈, 구리, 세륨, 프라세오디뮴, 테르븀 및 이들의 혼합물로 이루어진 그룹으로부터 선택된 것인, 질소 산화물의 환원방법.
- 제2항에 있어서, 환원 촉매가 철, 구리, 세륨 및 이들의 혼합물로 이루어진 그룹으로부터 선택된 것으로 교환된 제올라이트를 포함하는, 질소 산화물의 환원방법.
- 제3항에 있어서, 환원 촉매가 ZSM-5, A, 베타, X, Y, 페리어라이트, 린데형(Linde type) L 및 포자사이트(faujasite)로 이루어진 그룹으로부터 선택된 하나 이상의 제올라이트를 포함하는, 질소 산화물의 환원방법.
- 제4항에 있어서, 환원 촉매가 하나 이상의 철 및 구리로 교환된 ZSM-5 제올라이트를 포함하는, 질소 산화물의 환원방법.
- 삭제
- 삭제
- 제1항에 있어서, 선택적인 촉매 환원에 필요한 암모니아가 가수분해되어 암모니아를 제공할 수 있는 화합물로부터 수득되는, 질소 산화물의 환원방법.
- 제8항에 있어서, 가수분해되어 암모니아를 제공할 수 있는 화합물이 우레아 또는 암모늄 카바메이트인, 질소 산화물의 환원방법.
- 삭제
- 삭제
- 삭제
- 제1항에 있어서, 산화 촉매가 활성 산화알루미늄상의 백금을 포함하는, 질소 산화물의 환원방법.
- 제1항에 있어서, 산화 촉매가 벌집형 캐리어에 부착되는, 질소 산화물의 환원방법.
- 제8항에 있어서, 일산화질소를 부분 산화시킨 후에 가수분해 가능한 화합물을 배기 가스에 첨가하고, 배기 가스를 가수분해 촉매 위로 통과시킨 다음, 배기 가스를 환원 촉매와 접촉시킴을 추가로 포함하는, 질소 산화물의 환원방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10020100A DE10020100A1 (de) | 2000-04-22 | 2000-04-22 | Verfahren und Katalysator zur Reduktion von Stickoxiden |
DE10020100.8 | 2000-04-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010098787A KR20010098787A (ko) | 2001-11-08 |
KR100838500B1 true KR100838500B1 (ko) | 2008-06-17 |
Family
ID=7639792
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020010021494A KR100838500B1 (ko) | 2000-04-22 | 2001-04-20 | 질소 산화물의 환원방법 및 이를 위한 촉매 |
Country Status (16)
Country | Link |
---|---|
US (2) | US6843971B2 (ko) |
EP (1) | EP1147801B2 (ko) |
JP (2) | JP4913953B2 (ko) |
KR (1) | KR100838500B1 (ko) |
CN (1) | CN1320475A (ko) |
AR (1) | AR028350A1 (ko) |
AT (1) | ATE276035T1 (ko) |
AU (1) | AU3877501A (ko) |
BR (1) | BR0101550B1 (ko) |
CA (1) | CA2344735A1 (ko) |
CZ (1) | CZ20011396A3 (ko) |
DE (2) | DE10020100A1 (ko) |
MX (1) | MXPA01003937A (ko) |
PL (1) | PL347148A1 (ko) |
RU (1) | RU2001110723A (ko) |
ZA (1) | ZA200103245B (ko) |
Families Citing this family (113)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9802504D0 (en) | 1998-02-06 | 1998-04-01 | Johnson Matthey Plc | Improvements in emission control |
US8833062B1 (en) | 2013-03-15 | 2014-09-16 | Daimier Ag | Catalytic reduction of NOx |
DE10020100A1 (de) * | 2000-04-22 | 2001-10-31 | Dmc2 Degussa Metals Catalysts | Verfahren und Katalysator zur Reduktion von Stickoxiden |
DE10112444A1 (de) * | 2001-03-13 | 2002-10-02 | Krupp Uhde Gmbh | Verfahren zur Verringerung des Gehalts von N¶2¶O und NO¶x¶ in Gasen |
EP1316359A1 (fr) * | 2001-12-03 | 2003-06-04 | Rhodia Electronics and Catalysis | Procédé de traitement de gaz pour la réduction des émissions des oxydes d'azote utilisant une ferriérite |
WO2003045547A2 (fr) * | 2001-11-26 | 2003-06-05 | Atofina Research | Composition a base d'une ferrierite et son utilisation dans un procede de traitement de gaz pour la reduction des emissions des oxydes d'azote |
CA2377649C (en) * | 2002-03-20 | 2009-02-03 | Ibm Canada Limited-Ibm Canada Limitee | Dynamic cluster database architecture |
DE10218255B4 (de) * | 2002-04-24 | 2005-07-07 | J. Eberspächer GmbH & Co. KG | Abgasanlage für einen Dieselmotor und zugehöriger Schalldämpfer |
DE10226461A1 (de) † | 2002-06-13 | 2004-01-22 | Uhde Gmbh | Verfahren und Vorrichtung zur Verringerung des Gehaltes an NOx und N2O in Gasen |
US7134273B2 (en) * | 2002-09-04 | 2006-11-14 | Ford Global Technologies, Llc | Exhaust emission control and diagnostics |
US6701707B1 (en) * | 2002-09-04 | 2004-03-09 | Ford Global Technologies, Llc | Exhaust emission diagnostics |
JP4425797B2 (ja) * | 2002-11-18 | 2010-03-03 | 株式会社アイシーティー | 排ガス浄化用触媒の製造方法および排ガスの浄化方法 |
DE10300298A1 (de) | 2003-01-02 | 2004-07-15 | Daimlerchrysler Ag | Abgasnachbehandlungseinrichtung und -verfahren |
DE10308288B4 (de) * | 2003-02-26 | 2006-09-28 | Umicore Ag & Co. Kg | Verfahren zur Entfernung von Stickoxiden aus dem Abgas eines mager betriebenen Verbrennungsmotors und Abgasreinigungsanlage hierzu |
US7229597B2 (en) | 2003-08-05 | 2007-06-12 | Basfd Catalysts Llc | Catalyzed SCR filter and emission treatment system |
US20050100494A1 (en) * | 2003-11-06 | 2005-05-12 | George Yaluris | Ferrierite compositions for reducing NOx emissions during fluid catalytic cracking |
CA2575338C (en) * | 2004-07-27 | 2015-09-01 | Los Alamos National Security, Llc | Catalyst and method for reduction of nitrogen oxides |
JP4745968B2 (ja) * | 2004-07-29 | 2011-08-10 | エヌ・イーケムキャット株式会社 | 低温特性に優れる脱硝触媒 |
US20060115398A1 (en) * | 2004-11-29 | 2006-06-01 | Chevron U.S.A. Inc. | Synthesis of amines using high-silica molecular sieve CHA |
DE102005012066A1 (de) * | 2005-03-16 | 2006-09-21 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Wabenkörper mit Mitteln zur Reaktandenzufuhr und entsprechendes Verfahren und Abgassystem |
US7585490B2 (en) | 2005-04-15 | 2009-09-08 | University Of Iowa Research Foundation | Synthesis and use of nanocrystalline zeolites |
EP1888231A1 (en) * | 2005-04-27 | 2008-02-20 | W.R. Grace & Co.-Conn. | Compositions and processes for reducing nox emissions during fluid catalytic cracking |
JP4703260B2 (ja) * | 2005-05-17 | 2011-06-15 | Udトラックス株式会社 | エンジンの排気浄化装置及びこれに用いられる排気管の構造 |
JP3938187B2 (ja) * | 2005-05-17 | 2007-06-27 | いすゞ自動車株式会社 | 排気ガス浄化方法及び排気ガス浄化システム |
DE102005049655A1 (de) * | 2005-10-18 | 2007-04-19 | Man Nutzfahrzeuge Ag | Verfahren zur Vermeidung von unerwünschten NO2-Emissionen bei Brennkraftmaschinen |
US7390471B2 (en) * | 2005-11-17 | 2008-06-24 | Siemens Power Generation, Inc. | Apparatus and method for catalytic treatment of exhaust gases |
DE102005061713B4 (de) * | 2005-12-22 | 2015-05-21 | Süd-Chemie Ip Gmbh & Co. Kg | Adsorbereinheit für flüchtige Kohlenwasserstoffe, Verfahren zur Herstellung eines zeolithischen Adsorbermaterials und zeolithisches Adsorbermaterial erhältlich nach dem Verfahren |
DE102006033452A1 (de) * | 2006-07-19 | 2008-01-24 | Süd-Chemie AG | Verfahren zur Herstellung metalldotierter Zeolithe und ihre Verwendung bei der katalytischen Umwandlung von Stickoxiden |
JP2008036544A (ja) * | 2006-08-07 | 2008-02-21 | Toyota Motor Corp | 窒素酸化物吸着材及びその製造方法 |
CN101528326B (zh) | 2006-10-23 | 2012-08-29 | 尤米科尔股份公司及两合公司 | 用于选择性催化还原的无钒的催化剂及其制备方法 |
TWI449572B (zh) | 2006-11-29 | 2014-08-21 | Umicore Shokubai Japan Co Ltd | Oxidation catalyst and the oxidation catalyst using an exhaust gas purification system |
US20080155972A1 (en) * | 2006-12-28 | 2008-07-03 | James Joshua Driscoll | Exhaust treatment system |
US7527776B2 (en) * | 2007-01-09 | 2009-05-05 | Catalytic Solutions, Inc. | Ammonia SCR catalyst and method of using the catalyst |
FI120966B (fi) * | 2007-02-15 | 2010-05-31 | Kemira Oyj | Menetelmä pelkistysainekoostumuksen valmistamiseksi |
US8407987B2 (en) * | 2007-02-21 | 2013-04-02 | Volvo Lastvagnar Ab | Control method for controlling an exhaust aftertreatment system and exhaust aftertreatment system |
US20080202101A1 (en) * | 2007-02-23 | 2008-08-28 | Driscoll James J | Exhaust treatment system |
US7998423B2 (en) * | 2007-02-27 | 2011-08-16 | Basf Corporation | SCR on low thermal mass filter substrates |
DE102007018612A1 (de) * | 2007-04-19 | 2008-10-23 | Süd-Chemie AG | Katalysatorformkörper |
JP2008264702A (ja) * | 2007-04-20 | 2008-11-06 | Toyota Motor Corp | NOx吸着材の製造方法及びNOx吸着材 |
DK3300791T3 (da) * | 2007-04-26 | 2019-06-11 | Johnson Matthey Plc | Overgangsmetal/zeolit-scr-katalysatorer |
EP2142771A1 (en) * | 2007-05-02 | 2010-01-13 | Perkins Engines Company Limited | Exhaust treatment system implementing selective doc bypass |
DE202007018423U1 (de) | 2007-06-16 | 2008-08-21 | Umicore Ag & Co. Kg | Vorrichtung zur Reinigung von Abgasen unter gezielter Verwendung von Stickstoffdioxid |
KR101394625B1 (ko) * | 2007-06-25 | 2014-05-13 | 에스케이이노베이션 주식회사 | 선택적 촉매 환원 반응용 철 담지 제올라이트 촉매의제조방법 |
US7799289B2 (en) * | 2007-07-31 | 2010-09-21 | Caterpillar Inc | Exhaust treatment system with NO2 control |
US8166751B2 (en) * | 2007-07-31 | 2012-05-01 | Caterpillar Inc. | Particulate filter |
US20090035194A1 (en) * | 2007-07-31 | 2009-02-05 | Caterpillar Inc. | Exhaust treatment system with an oxidation device for NO2 control |
US8209956B2 (en) * | 2007-07-31 | 2012-07-03 | Caterpillar Inc. | SCR emissions control system |
EP2192982A2 (en) * | 2007-08-13 | 2010-06-09 | PQ Corporation | Novel iron-containing aluminosilicate zeolites and methods of making and using same |
US8001769B2 (en) * | 2007-08-20 | 2011-08-23 | Caterpillar Inc. | Control of SCR system having a filtering device |
US7992380B2 (en) * | 2007-08-23 | 2011-08-09 | Caterpillar Inc. | Emission control system implementing reduction agent injection |
US9863297B2 (en) | 2007-12-12 | 2018-01-09 | Basf Corporation | Emission treatment system |
KR100999616B1 (ko) * | 2007-12-14 | 2010-12-08 | 기아자동차주식회사 | 배기 가스 내의 질소산화물 저감 장치 |
DE102007060623B4 (de) | 2007-12-15 | 2011-04-14 | Umicore Ag & Co. Kg | Entstickung von Dieselmotorenabgasen unter Verwendung eines temperierten Vorkatalysators zur bedarfsgerechten NO2-Bereitstellung |
US8635853B2 (en) * | 2008-01-25 | 2014-01-28 | Caterpillar Inc. | Exhaust reduction system having oxygen and temperature control |
US8151558B2 (en) * | 2008-01-31 | 2012-04-10 | Caterpillar Inc. | Exhaust system implementing SCR and EGR |
US8607553B2 (en) * | 2008-02-15 | 2013-12-17 | Caterpillar Inc. | Exhaust system implementing selective catalyst flow control |
KR100963645B1 (ko) * | 2008-02-25 | 2010-06-15 | 한국화학연구원 | 선택성 환원 공정용 친암모니아성 촉매체 |
DE102008016177A1 (de) * | 2008-03-28 | 2009-10-08 | Süd-Chemie AG | Harnstoffhydrolysekatalysator |
EP2112341B1 (en) * | 2008-04-22 | 2018-07-11 | Umicore AG & Co. KG | Method for purification of an exhaust gas from a diesel engine |
EP2112339A1 (de) | 2008-04-24 | 2009-10-28 | Umicore AG & Co. KG | Verfahren und Vorrichtung zur Reinigung von Abgasen eines Verbrennungsmotors |
US9079162B2 (en) | 2008-04-28 | 2015-07-14 | BASF SE Ludwigshafen | Fe-BEA/Fe-MFI mixed zeolite catalyst and process for the treatment of NOX in gas streams |
JP2009262098A (ja) | 2008-04-28 | 2009-11-12 | Ne Chemcat Corp | 選択還元触媒を用いた排気ガス浄化方法 |
US8445403B2 (en) | 2008-06-19 | 2013-05-21 | Umicore Ag & Co. Kg | Oxidation catalyst for commercial vehicles comprising a diesel motor |
GB2464478A (en) * | 2008-10-15 | 2010-04-21 | Johnson Matthey Plc | Aluminosilicate zeolite catalyst and use thereof in exhaust gas after-treatment |
US7879759B2 (en) * | 2009-02-16 | 2011-02-01 | Augustine Steve M | Mobile DeNOx catalyst |
KR101091705B1 (ko) * | 2009-03-24 | 2011-12-08 | 한국에너지기술연구원 | 암모니아 환원제에 의한 아산화질소 단독 혹은 아산화질소와 일산화질소의 동시 저감을 위한 철이온이 담지된 제올라이트 촉매의 제조방법과 그 촉매 그리고 이를이용한 암모니아 환원제에 의한 아산화질소 단독 혹은 아산화질소와 일산화질소의 동시 저감방법 |
US8555617B2 (en) * | 2009-03-26 | 2013-10-15 | GM Global Technology Operations LLC | Exhaust gas treatment system including a four-way catalyst and urea SCR catalyst and method of using the same |
US8505279B2 (en) * | 2009-03-26 | 2013-08-13 | GM Global Technology Operations LLC | Exhaust gas treatment system including a four-way catalyst and urea SCR catalyst and method of using the same |
US8246923B2 (en) | 2009-05-18 | 2012-08-21 | Umicore Ag & Co. Kg | High Pd content diesel oxidation catalysts with improved hydrothermal durability |
FR2945961B1 (fr) * | 2009-05-29 | 2012-07-13 | Air Liquide | Epuration d'un gaz contenant des oxydes d'azote |
DE102009040352A1 (de) | 2009-09-05 | 2011-03-17 | Johnson Matthey Catalysts (Germany) Gmbh | Verfahren zur Herstellung eines SCR aktiven Zeolith-Katalysators sowie SCR aktiver Zeolith-Katalysator |
US8557203B2 (en) | 2009-11-03 | 2013-10-15 | Umicore Ag & Co. Kg | Architectural diesel oxidation catalyst for enhanced NO2 generator |
US8481452B2 (en) * | 2009-12-15 | 2013-07-09 | Millennium Inorganic Chemicals, Inc. | Capture of volatilized vanadium and tungsten compounds in a selective catalytic reduction system |
US8529853B2 (en) | 2010-03-26 | 2013-09-10 | Umicore Ag & Co. Kg | ZrOx, Ce-ZrOx, Ce-Zr-REOx as host matrices for redox active cations for low temperature, hydrothermally durable and poison resistant SCR catalysts |
US8017097B1 (en) | 2010-03-26 | 2011-09-13 | Umicore Ag & Co. Kg | ZrOx, Ce-ZrOx, Ce-Zr-REOx as host matrices for redox active cations for low temperature, hydrothermally durable and poison resistant SCR catalysts |
US9352307B2 (en) | 2010-04-08 | 2016-05-31 | Basf Corporation | Cu-CHA/Fe-MFI mixed zeolite catalyst and process for the treatment of NOx in gas streams |
KR20130097076A (ko) | 2010-04-20 | 2013-09-02 | 우미코레 아게 운트 코 카게 | 배기 가스 중의 질소 산화물을 선택적으로 촉매 환원시키기 위한 신규한 혼합된 산화물 물질 |
US20120015801A1 (en) * | 2010-07-15 | 2012-01-19 | Airflow Catalyst Systems | Process for preparation of a zeolite-based catalyst |
US8987161B2 (en) * | 2010-08-13 | 2015-03-24 | Ut-Battelle, Llc | Zeolite-based SCR catalysts and their use in diesel engine emission treatment |
WO2012025617A1 (en) | 2010-08-27 | 2012-03-01 | Technical University Of Denmark | Mordenite - type zeolite scr catalysts with iron or copper |
PL2611524T3 (pl) | 2010-09-03 | 2014-10-31 | Univ Danmarks Tekniske | Katalizator z heteropolikwasem jako promotorem do SCR NOx z amoniakiem |
WO2012117042A2 (de) * | 2011-03-03 | 2012-09-07 | Umicore Ag & Co. Kg | Katalytisch aktives material und katalysator zur selektiven katalytischen reduktion von stickoxiden |
EP2495032A1 (de) | 2011-03-03 | 2012-09-05 | Umicore Ag & Co. Kg | SCR-Katalysator mit verbesserter Kohlenwasserstoffresistenz |
US8629781B2 (en) * | 2011-05-05 | 2014-01-14 | GM Global Technology Operations LLC | Efficiency determination for a selective-catalytic-reduction catalyst |
CN103534028B (zh) | 2011-06-07 | 2017-02-08 | 尤米科尔股份公司及两合公司 | 用于在柴油发动机排气中的氮氧化物的选择性催化还原的催化转化器 |
CN105363497A (zh) | 2011-08-03 | 2016-03-02 | 庄信万丰股份有限公司 | 挤出蜂窝状催化剂 |
US9999877B2 (en) | 2011-10-05 | 2018-06-19 | Basf Se | Cu-CHA/Fe-BEA mixed zeolite catalyst and process for the treatment of NOx in gas streams |
US20120258032A1 (en) * | 2011-11-02 | 2012-10-11 | Johnson Matthey Public Limited Company | Catalyzed filter for treating exhaust gas |
DE102012007890B4 (de) | 2012-04-23 | 2014-09-04 | Clariant Produkte (Deutschland) Gmbh | Abgasreinigungssystem zur Reinigung von Abgasströmen aus Dieselmotoren |
PL2844372T3 (pl) * | 2012-06-27 | 2017-04-28 | Siemens Aktiengesellschaft | Urządzenie do oczyszczania spalin i sposób redukcji tlenków azotu ze spalin elektrowni napędzanych źródłami kopalnymi |
EP2772302A1 (en) | 2013-02-27 | 2014-09-03 | Umicore AG & Co. KG | Hexagonal oxidation catalyst |
MX2015011354A (es) * | 2013-03-14 | 2016-01-15 | Basf Corp | Sistema de catalizadores para reduccion catalitica selectiva. |
US8850802B1 (en) | 2013-03-15 | 2014-10-07 | Daimler Ag | Catalytic reduction of NOx |
DE202013012229U1 (de) | 2013-04-05 | 2015-10-08 | Umicore Ag & Co. Kg | CuCHA Material für die SCR-Katalyse |
DE102013013973A1 (de) | 2013-08-23 | 2015-02-26 | Clariant Produkte (Deutschland) Gmbh | Partikelfilter zur Reinigung von Abgasen, Abgasreinigungssystem und Verfahren zur Reinigung von Abgas |
KR102101335B1 (ko) * | 2014-04-07 | 2020-04-17 | 할도르 토프쉐 에이/에스 | 고체-상태 이온 교환에 의한 금속 교환된 미소다공성 물질의 제조 방법 |
GB2540832B (en) * | 2015-02-20 | 2019-04-17 | Johnson Matthey Plc | Bi-metal molecular sieve catalysts |
CN104741000B (zh) * | 2015-03-24 | 2017-07-21 | 上海华明高技术(集团)有限公司 | 一种复合床层低温scr脱硝催化剂的应用 |
EP3162427A1 (en) * | 2015-10-28 | 2017-05-03 | Casale SA | A method and apparatus for removing nox and n2o from a gas |
EP3315188A1 (en) * | 2016-10-28 | 2018-05-02 | Casale Sa | A method for removing nitrogen oxides from a gas using an iron exchanged zeolite catalyst |
CN105727968B (zh) * | 2016-01-28 | 2018-06-19 | 环境保护部华南环境科学研究所 | 一种含磁复合氧化物中低温脱硝催化剂及其制备方法和应用 |
US20200061536A1 (en) | 2016-10-28 | 2020-02-27 | Casale Sa | A method for removing nitrogen oxides from a gas using an iron exchanged zeolite catalyst |
DE102016222801B4 (de) * | 2016-11-18 | 2019-12-24 | Mtu Friedrichshafen Gmbh | Verfahren zum Betreiben eines Abgasnachbehandlungssystems einer Brennkraftmaschine, Abgasnachbehandlungssystem für eine Brennkraftmaschine und Brennkraftmaschine mit einem solchen Abgasnachbehandlungssystem |
DE102016224754B4 (de) | 2016-12-12 | 2018-10-04 | Mtu Friedrichshafen Gmbh | Ventiltrieb für eine Brennkraftmaschine, Brennkraftmaschine mit einem solchen Ventiltrieb und Verfahren zum Betreiben einer Brennkraftmaschine mit einem solchen Ventiltrieb |
GB201705289D0 (en) * | 2017-03-31 | 2017-05-17 | Johnson Matthey Catalysts (Germany) Gmbh | Selective catalytic reduction catalyst |
DE102018121503A1 (de) | 2017-09-05 | 2019-03-07 | Umicore Ag & Co. Kg | Abgasreinigung mit NO-Oxidationskatalysator und SCR-aktivem Partikelfilter |
DE102018108346A1 (de) | 2018-04-09 | 2019-10-10 | Umicore Ag & Co. Kg | Beschichteter Wandflussfilter |
DE102018111246A1 (de) | 2018-05-09 | 2019-11-14 | Umicore Ag & Co. Kg | Verfahren zum Beschichten eines Wandflussfilters |
DE102019100099B4 (de) | 2019-01-04 | 2022-09-08 | Umicore Ag & Co. Kg | Verfahren zur Herstellung von katalytisch aktiven Wandflussfiltern, katalytisch aktiver Wandflussfilter und dessen Verwendung |
DE102019100107A1 (de) | 2019-01-04 | 2020-07-09 | Umicore Ag & Co. Kg | Katalytisch aktives Filtersubstrat und Verfahren zur Herstellung sowie deren Verwendung |
TWI766429B (zh) * | 2020-11-09 | 2022-06-01 | 財團法人工業技術研究院 | 的方法 |
CN115121110B (zh) * | 2021-03-24 | 2023-08-08 | 中国石油化工股份有限公司 | 一种催化一氧化二氮分解的方法 |
DE102021112955A1 (de) | 2021-05-19 | 2022-11-24 | Umicore Ag & Co. Kg | Beschichtungsprozess für einen Wandflussfilter |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR880010813A (ko) * | 1987-03-23 | 1988-10-24 | 원본미기재 | 유체 흐름에서 NOx를 제거하는 방법 |
WO1996001689A1 (en) * | 1994-07-07 | 1996-01-25 | Mobil Oil Corporation | Catalytic system for the reduction of nitrogen oxides |
KR970009884A (ko) * | 1995-08-31 | 1997-03-27 | 송광호 | 공해물질중의 질소산화물을 환원시키기 위한 환원촉매의 제조방법 |
DE19820682A1 (de) * | 1997-05-16 | 1998-11-19 | Siemens Ag | Verfahren und Vorrichtung zur Vernichtung von oxidischen Schadstoffen ine inem sauerstoffhaltigen Abgas sowie damit betriebener Motor |
WO1999039809A1 (en) * | 1998-02-06 | 1999-08-12 | Johnson Matthey Public Limited Company | SYSTEM FOR NOx REDUCTION IN EXHAUST GASES |
EP1147801A1 (de) * | 2000-04-22 | 2001-10-24 | dmc2 Degussa Metals Catalysts Cerdec AG | Verfahren und Katalysator zur selektiven Reduktion von Stickoxiden |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4778665A (en) * | 1986-09-09 | 1988-10-18 | Mobil Oil Corporation | Abatement of NOx in exhaust gases |
US4837397A (en) * | 1987-12-11 | 1989-06-06 | Mobil Oil Corporation | Nobile metal containing catalysts of improved stability |
DE3841990A1 (de) * | 1988-12-14 | 1990-06-21 | Degussa | Verfahren zur reduktion von stickoxiden aus abgasen |
US4961917A (en) † | 1989-04-20 | 1990-10-09 | Engelhard Corporation | Method for reduction of nitrogen oxides with ammonia using promoted zeolite catalysts |
JPH03296436A (ja) * | 1990-04-13 | 1991-12-27 | Mitsubishi Heavy Ind Ltd | 高温排ガス用脱硝触媒 |
AU650120B2 (en) * | 1991-04-22 | 1994-06-09 | Corning Incorporated | Catalytic reactor system |
US5451387A (en) * | 1994-07-07 | 1995-09-19 | Mobil Oil Corporation | Selective catalytic reduction of nitrogen oxides using an iron impregnated zeolite catalyst |
US5482692A (en) * | 1994-07-07 | 1996-01-09 | Mobil Oil Corporation | Selective catalytic reduction of nitrogen oxides using a ferrocene impregnated zeolite catalyst |
JPH0842329A (ja) * | 1994-07-29 | 1996-02-13 | Nissan Diesel Motor Co Ltd | エンジンの排気浄化装置 |
JPH08103636A (ja) * | 1994-10-06 | 1996-04-23 | Babcock Hitachi Kk | 低温脱硝装置 |
US5711147A (en) * | 1996-08-19 | 1998-01-27 | The Regents Of The University Of California | Plasma-assisted catalytic reduction system |
US5891409A (en) | 1996-08-19 | 1999-04-06 | The Regents Of The University Of California | Pre-converted nitric oxide gas in catalytic reduction system |
JP3379627B2 (ja) * | 1996-08-30 | 2003-02-24 | 株式会社キャタラー | 排ガス浄化用触媒 |
DE19731865C2 (de) * | 1997-07-24 | 1999-05-06 | Siemens Ag | Abgasreinigungsanlage für das Abgas eines Dieselmotors |
DE19820515A1 (de) * | 1998-05-08 | 1999-11-11 | Alsi Penta Zeolithe Gmbh | Verfahren zur Herstellung eines Katalysators für die Reinigung von Abgasen, die Stickstoffoxide in Gegenwart von Sauerstoff und Wasser enthalten |
-
2000
- 2000-04-22 DE DE10020100A patent/DE10020100A1/de not_active Ceased
-
2001
- 2001-04-07 AT AT01108785T patent/ATE276035T1/de not_active IP Right Cessation
- 2001-04-07 EP EP01108785.5A patent/EP1147801B2/de not_active Expired - Lifetime
- 2001-04-07 DE DE50103588T patent/DE50103588D1/de not_active Expired - Lifetime
- 2001-04-19 JP JP2001121419A patent/JP4913953B2/ja not_active Expired - Fee Related
- 2001-04-19 MX MXPA01003937A patent/MXPA01003937A/es unknown
- 2001-04-19 CZ CZ20011396A patent/CZ20011396A3/cs unknown
- 2001-04-19 AR ARP010101836A patent/AR028350A1/es unknown
- 2001-04-20 AU AU38775/01A patent/AU3877501A/en not_active Abandoned
- 2001-04-20 CA CA002344735A patent/CA2344735A1/en not_active Abandoned
- 2001-04-20 CN CN01109781A patent/CN1320475A/zh active Pending
- 2001-04-20 US US09/838,119 patent/US6843971B2/en not_active Expired - Lifetime
- 2001-04-20 PL PL01347148A patent/PL347148A1/xx not_active Application Discontinuation
- 2001-04-20 KR KR1020010021494A patent/KR100838500B1/ko active IP Right Grant
- 2001-04-20 ZA ZA200103245A patent/ZA200103245B/xx unknown
- 2001-04-23 RU RU2001110723/12A patent/RU2001110723A/ru not_active Application Discontinuation
- 2001-04-23 BR BRPI0101550-8A patent/BR0101550B1/pt not_active IP Right Cessation
-
2005
- 2005-01-18 US US11/037,551 patent/US7005116B2/en not_active Expired - Lifetime
-
2011
- 2011-12-12 JP JP2011271358A patent/JP5683448B2/ja not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR880010813A (ko) * | 1987-03-23 | 1988-10-24 | 원본미기재 | 유체 흐름에서 NOx를 제거하는 방법 |
WO1996001689A1 (en) * | 1994-07-07 | 1996-01-25 | Mobil Oil Corporation | Catalytic system for the reduction of nitrogen oxides |
KR970009884A (ko) * | 1995-08-31 | 1997-03-27 | 송광호 | 공해물질중의 질소산화물을 환원시키기 위한 환원촉매의 제조방법 |
DE19820682A1 (de) * | 1997-05-16 | 1998-11-19 | Siemens Ag | Verfahren und Vorrichtung zur Vernichtung von oxidischen Schadstoffen ine inem sauerstoffhaltigen Abgas sowie damit betriebener Motor |
WO1999039809A1 (en) * | 1998-02-06 | 1999-08-12 | Johnson Matthey Public Limited Company | SYSTEM FOR NOx REDUCTION IN EXHAUST GASES |
EP1147801A1 (de) * | 2000-04-22 | 2001-10-24 | dmc2 Degussa Metals Catalysts Cerdec AG | Verfahren und Katalysator zur selektiven Reduktion von Stickoxiden |
Also Published As
Publication number | Publication date |
---|---|
ATE276035T1 (de) | 2004-10-15 |
EP1147801B1 (de) | 2004-09-15 |
CN1320475A (zh) | 2001-11-07 |
US6843971B2 (en) | 2005-01-18 |
DE10020100A1 (de) | 2001-10-31 |
US7005116B2 (en) | 2006-02-28 |
AU3877501A (en) | 2001-10-25 |
AR028350A1 (es) | 2003-05-07 |
JP2012061470A (ja) | 2012-03-29 |
EP1147801A1 (de) | 2001-10-24 |
JP2002001067A (ja) | 2002-01-08 |
US20050196333A1 (en) | 2005-09-08 |
JP4913953B2 (ja) | 2012-04-11 |
KR20010098787A (ko) | 2001-11-08 |
ZA200103245B (en) | 2001-10-23 |
PL347148A1 (en) | 2001-11-05 |
RU2001110723A (ru) | 2003-04-10 |
JP5683448B2 (ja) | 2015-03-11 |
US20020039550A1 (en) | 2002-04-04 |
MXPA01003937A (es) | 2003-08-20 |
BR0101550B1 (pt) | 2010-07-13 |
DE50103588D1 (de) | 2004-10-21 |
CA2344735A1 (en) | 2001-10-22 |
BR0101550A (pt) | 2001-11-20 |
EP1147801B2 (de) | 2014-12-17 |
CZ20011396A3 (cs) | 2002-04-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100838500B1 (ko) | 질소 산화물의 환원방법 및 이를 위한 촉매 | |
KR101542754B1 (ko) | Scr 촉매 수단에 의한 엔진 배기 가스들의 처리를 위한 배기 가스 정화 시스템 | |
EP2117707B2 (en) | Copper cha zeolite catalysts | |
EP2656913B1 (en) | a method for manufacturing a catalyst comprising Copper cha zeolite catalysts | |
CN109184860B (zh) | 用于净化来自内燃机的废气的方法和系统 | |
JPH0538452A (ja) | 排気ガス浄化用触媒 | |
US6080377A (en) | Method of abating NOx and a catalytic material therefor | |
JP2001149758A (ja) | 窒素酸化物を接触分解するための触媒と方法 | |
KR20080113565A (ko) | 선택적 촉매 환원 반응용 철 담지 제올라이트 촉매의제조방법 | |
JPH0857313A (ja) | 新規な白金族金属含有触媒とその製造方法 | |
KR100590308B1 (ko) | 디젤 자동차용 배기가스 정화용 촉매의 제조 방법 및 이로부터 제조된 촉매 | |
JP4822374B2 (ja) | 排ガス浄化用触媒の製造方法 | |
JPH06170166A (ja) | 窒素酸化物の除去方法 | |
JP3111491B2 (ja) | 排気ガス浄化用触媒 | |
JPH03135437A (ja) | 排気ガスの浄化方法 | |
JP3745954B2 (ja) | 自動車用希薄燃焼エンジンのための触媒の製造方法 | |
JPH03202157A (ja) | 排気ガス浄化用触媒 | |
JP2004209356A (ja) | 排ガス処理触媒および排ガス処理方法 | |
JPH10244155A (ja) | 窒素酸化物接触還元用触媒 | |
JPH04284848A (ja) | 窒素酸化物還元除去用触媒及びその使用方法 | |
JPH0760125A (ja) | 脱硝剤の製造方法 | |
JPH0724257A (ja) | 脱硝剤の製造方法 | |
JPH04267949A (ja) | 排気ガス浄化用触媒 | |
JPH06269674A (ja) | 脱硝剤の製造方法及び脱硝方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
N231 | Notification of change of applicant | ||
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20130522 Year of fee payment: 6 |
|
FPAY | Annual fee payment |
Payment date: 20140521 Year of fee payment: 7 |
|
FPAY | Annual fee payment |
Payment date: 20150518 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20160517 Year of fee payment: 9 |
|
FPAY | Annual fee payment |
Payment date: 20170522 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20180516 Year of fee payment: 11 |