KR101117499B1 - 허니컴 구조체 - Google Patents
허니컴 구조체 Download PDFInfo
- Publication number
- KR101117499B1 KR101117499B1 KR1020097018049A KR20097018049A KR101117499B1 KR 101117499 B1 KR101117499 B1 KR 101117499B1 KR 1020097018049 A KR1020097018049 A KR 1020097018049A KR 20097018049 A KR20097018049 A KR 20097018049A KR 101117499 B1 KR101117499 B1 KR 101117499B1
- Authority
- KR
- South Korea
- Prior art keywords
- honeycomb
- zeolite
- honeycomb structure
- coating layer
- alumina
- Prior art date
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- 239000011247 coating layer Substances 0.000 claims abstract description 64
- 239000011230 binding agent Substances 0.000 claims abstract description 34
- 239000010954 inorganic particle Substances 0.000 claims abstract description 27
- 238000005192 partition Methods 0.000 claims abstract description 14
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 72
- 239000010457 zeolite Substances 0.000 claims description 70
- 229910021536 Zeolite Inorganic materials 0.000 claims description 69
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 41
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 30
- 239000002245 particle Substances 0.000 claims description 20
- 239000012784 inorganic fiber Substances 0.000 claims description 18
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 16
- 239000000377 silicon dioxide Substances 0.000 claims description 15
- 230000002093 peripheral effect Effects 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 13
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 10
- 239000012790 adhesive layer Substances 0.000 claims description 10
- 239000011163 secondary particle Substances 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 10
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 claims description 6
- 229910052863 mullite Inorganic materials 0.000 claims description 6
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 5
- 239000004113 Sepiolite Substances 0.000 claims description 4
- 229960000892 attapulgite Drugs 0.000 claims description 4
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 claims description 4
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 claims description 4
- 229910052625 palygorskite Inorganic materials 0.000 claims description 4
- 235000019353 potassium silicate Nutrition 0.000 claims description 4
- 229910052624 sepiolite Inorganic materials 0.000 claims description 4
- 235000019355 sepiolite Nutrition 0.000 claims description 4
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 4
- OJMOMXZKOWKUTA-UHFFFAOYSA-N aluminum;borate Chemical compound [Al+3].[O-]B([O-])[O-] OJMOMXZKOWKUTA-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- NJLLQSBAHIKGKF-UHFFFAOYSA-N dipotassium dioxido(oxo)titanium Chemical compound [K+].[K+].[O-][Ti]([O-])=O NJLLQSBAHIKGKF-UHFFFAOYSA-N 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 229910052748 manganese Inorganic materials 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- -1 porusite Chemical compound 0.000 claims description 3
- 239000002243 precursor Substances 0.000 claims description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 3
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 229910052720 vanadium Inorganic materials 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 229910000859 α-Fe Inorganic materials 0.000 claims 1
- 239000000835 fiber Substances 0.000 description 21
- 229910002089 NOx Inorganic materials 0.000 description 14
- 229920000609 methyl cellulose Polymers 0.000 description 10
- 235000010981 methylcellulose Nutrition 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 239000001923 methylcellulose Substances 0.000 description 9
- 238000000746 purification Methods 0.000 description 9
- 239000002994 raw material Substances 0.000 description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 6
- 238000005342 ion exchange Methods 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 5
- 238000005238 degreasing Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 229910021529 ammonia Inorganic materials 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 239000001768 carboxy methyl cellulose Substances 0.000 description 3
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 3
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000001856 Ethyl cellulose Substances 0.000 description 2
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 239000002671 adjuvant Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- 239000002612 dispersion medium Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 229920001249 ethyl cellulose Polymers 0.000 description 2
- 235000019325 ethyl cellulose Nutrition 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 150000004665 fatty acids Chemical class 0.000 description 2
- 239000010881 fly ash Substances 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 229910000077 silane Inorganic materials 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- 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 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004375 Dextrin Substances 0.000 description 1
- 229920001353 Dextrin Polymers 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 1
- 239000004354 Hydroxyethyl cellulose Substances 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910001423 beryllium ion Inorganic materials 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 235000019425 dextrin Nutrition 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- MVFCKEFYUDZOCX-UHFFFAOYSA-N iron(2+);dinitrate Chemical compound [Fe+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MVFCKEFYUDZOCX-UHFFFAOYSA-N 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052680 mordenite Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- WTHDKMILWLGDKL-UHFFFAOYSA-N urea;hydrate Chemical compound O.NC(N)=O WTHDKMILWLGDKL-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- 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
- F01N3/24—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 constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
- F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
- F01N3/2825—Ceramics
- F01N3/2828—Ceramic multi-channel monoliths, e.g. honeycombs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
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- 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
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- 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
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- B01J29/65—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the ferrierite type, e.g. types ZSM-21, ZSM-35 or ZSM-38, as exemplified by patent documents US4046859, US4016245 and US4046859, respectively
- B01J29/69—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the ferrierite type, e.g. types ZSM-21, ZSM-35 or ZSM-38, as exemplified by patent documents US4046859, US4016245 and US4046859, respectively containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
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- B01J29/76—Iron group metals or copper
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- 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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- C04B38/0016—Honeycomb structures assembled from subunits
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- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
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- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5025—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with ceramic materials
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- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
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-
- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01D2255/92—Dimensions
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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
- B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
- B01J2229/10—After treatment, characterised by the effect to be obtained
- B01J2229/18—After treatment, characterised by the effect to be obtained to introduce other elements into or onto the molecular sieve itself
- B01J2229/186—After treatment, characterised by the effect to be obtained to introduce other elements into or onto the molecular sieve itself not in framework positions
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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
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
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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
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
- B01J35/58—Fabrics or filaments
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00793—Uses not provided for elsewhere in C04B2111/00 as filters or diaphragms
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0081—Uses not provided for elsewhere in C04B2111/00 as catalysts or catalyst carriers
-
- 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
- F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
- F01N2450/28—Methods or apparatus for fitting, inserting or repairing different elements by using adhesive material, e.g. cement
-
- 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
- F01N2510/00—Surface coverings
- F01N2510/06—Surface coverings for exhaust purification, e.g. catalytic reaction
- F01N2510/063—Surface coverings for exhaust purification, e.g. catalytic reaction zeolites
-
- 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
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- 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
- F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
- F01N3/0821—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with particulate filters
-
- 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]
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Abstract
Description
Claims (13)
- 복수의 관통공이 무기 입자와 무기 바인더를 포함하는 격벽을 사이에 두고 길이 방향으로 나란히 형성된 허니컴 유닛을 갖고, 외부 둘레에 코팅층을 갖는 허니컴 구조체로서,상기 허니컴 구조체는 상기 무기 입자로서 적어도 제올라이트를 포함하고,그 허니컴 유닛의 비열용량에 대한 그 코팅층의 비열용량의 비가 1.0 이하인 것을 특징으로 하는 허니컴 구조체.
- 제 1 항에 있어서,상기 무기 입자는, 알루미나, 실리카, 티타니아, 지르코니아, 세리아, 멀라이트 및 이들의 전구체로 이루어지는 군에서 선택되는 1 종 이상을 더 포함하는 것을 특징으로 하는 허니컴 구조체.
- 제 1 항에 있어서,상기 허니컴 유닛은, 겉보기 단위 체적당 상기 제올라이트의 함유량이 230 g/ℓ 이상 270 g/ℓ 이하인 것을 특징으로 하는 허니컴 구조체.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,상기 제올라이트는, β 형 제올라이트, Y 형 제올라이트, 페리어라이트, ZSM-5 형 제올라이트, 모데나이트, 포우저사이트, 제올라이트 A 및 제올라이트 L 로 이루어지는 군에서 선택되는 1 종 이상인 것을 특징으로 하는 허니컴 구조체.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,상기 제올라이트는, 알루미나에 대한 실리카의 몰비가 30 이상 50 이하인 것을 특징으로 하는 허니컴 구조체.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,상기 제올라이트는, Fe, Cu, Ni, Co, Zn, Mn, Ti, Ag 및 V 로 이루어지는 군에서 선택되는 1 종 이상으로 이온 교환되어 있는 것을 특징으로 하는 허니컴 구조체.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,상기 제올라이트는 2 차 입자를 포함하고, 그 2 차 입자의 평균 입경이 0.5 ㎛ 이상 10 ㎛ 이하인 것을 특징으로 하는 허니컴 구조체.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,상기 무기 바인더는, 알루미나 졸, 실리카 졸, 티타니아 졸, 물유리, 세피올라이트 및 아타풀자이트로 이루어지는 군에서 선택되는 1 종 이상에 포함되는 고형분인 것을 특징으로 하는 허니컴 구조체.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,상기 허니컴 유닛은, 무기 섬유를 추가로 포함하는 것을 특징으로 하는 허니컴 구조체.
- 제 9 항에 있어서,상기 무기 섬유는, 알루미나, 실리카, 탄화규소, 실리카알루미나, 유리, 티탄산칼륨 및 붕산알루미늄으로 이루어지는 군에서 선택되는 1 종 이상인 것을 특징으로 하는 허니컴 구조체.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,상기 허니컴 유닛은, 상기 길이 방향과 수직인 단면의 개구율이 50 % 이상 65 % 이하인 것을 특징으로 하는 허니컴 구조체.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,복수의 상기 허니컴 유닛이, 접착층을 통해 접착되어 있는 것을 특징으로 하는 허니컴 구조체.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,상기 허니컴 유닛은 비열용량이 335 ~ 375 J/L/K 이고,상기 외부 둘레의 코팅층은, 비열용량이 270 ~ 370 J/L/K 인 것을 특징으로 하는 허니컴 구조체.
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PCT/JP2008/059285 WO2009141898A1 (ja) | 2008-05-20 | 2008-05-20 | ハニカム構造体 |
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EP (1) | EP2130596A3 (ko) |
JP (1) | JPWO2009141898A1 (ko) |
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JP5841400B2 (ja) * | 2010-11-10 | 2016-01-13 | イビデン株式会社 | ハニカム構造体の製造方法、およびハニカム成形体の脱脂処理装置 |
WO2012063341A1 (ja) | 2010-11-10 | 2012-05-18 | イビデン株式会社 | ハニカム構造体の製造方法、およびハニカム成形体の脱脂処理装置 |
KR20120079729A (ko) * | 2011-01-05 | 2012-07-13 | 삼성정밀화학 주식회사 | Scr 촉매의 세라믹 담체용 유기 바인더 조성물 및 이를 포함하는 scr 촉매용 세라믹 담체 |
WO2012131915A1 (ja) * | 2011-03-29 | 2012-10-04 | イビデン株式会社 | 排ガス浄化システム及び排ガス浄化方法 |
WO2012131913A1 (ja) * | 2011-03-29 | 2012-10-04 | イビデン株式会社 | 排ガス浄化システム及び排ガス浄化方法 |
KR101931401B1 (ko) * | 2011-07-22 | 2019-03-13 | 다우 글로벌 테크놀로지스 엘엘씨 | 시멘트가 적용되고 외피를 갖는 세라믹 허니콤 구조체의 제조 방법 |
US8980187B2 (en) * | 2011-11-29 | 2015-03-17 | Deere & Company | Diesel particulate filters having a washcoat that improves filter performance |
CN109268110B (zh) * | 2012-04-27 | 2021-05-07 | 优美科两合公司 | 用于净化来自内燃机的废气的方法和系统 |
US10300475B2 (en) * | 2016-12-26 | 2019-05-28 | Ngk Insulators, Ltd. | Circumferential coating material and circumferential coating honeycomb structure |
JP2021519872A (ja) | 2018-04-04 | 2021-08-12 | ユニフラックス アイ エルエルシー | 活性化多孔質繊維およびそれを含む製品 |
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WO2003067041A1 (fr) * | 2002-02-05 | 2003-08-14 | Ibiden Co., Ltd. | Filtre a nid d'abeille pour la decontamination des gaz d'echappement, matiere adhesive et de revetement, et procede d'obtention dudit filtre |
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US5629067A (en) * | 1992-01-30 | 1997-05-13 | Ngk Insulators, Ltd. | Ceramic honeycomb structure with grooves and outer coating, process of producing the same, and coating material used in the honeycomb structure |
CA2119604C (en) * | 1993-07-29 | 1997-02-18 | Minoru Machida | Ceramic honeycomb structural body and catalyst comprising the same |
JP2002079083A (ja) * | 2000-09-04 | 2002-03-19 | Toyobo Co Ltd | ガス吸着用シート及び空気浄化用フィルタ |
JP5189236B2 (ja) * | 2001-07-25 | 2013-04-24 | 日本碍子株式会社 | 排ガス浄化用ハニカム構造体及び排ガス浄化用ハニカム触媒体 |
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KR100691789B1 (ko) * | 2002-02-15 | 2007-03-12 | 아이씨티 코., 엘티디. | 내연기관 배기가스정화용 촉매, 그 제조방법 및 내연기관배기가스의 정화방법 |
JP2004202426A (ja) * | 2002-12-26 | 2004-07-22 | Toyota Motor Corp | 排ガス浄化用触媒 |
JP4527412B2 (ja) * | 2004-02-04 | 2010-08-18 | イビデン株式会社 | ハニカム構造体集合体及びハニカム触媒 |
ATE503734T1 (de) * | 2004-10-08 | 2011-04-15 | Ibiden Co Ltd | Honigwabenstruktur und verfahren zur herstellung |
JP4870558B2 (ja) * | 2004-12-27 | 2012-02-08 | イビデン株式会社 | ハニカム構造体及びシール材層 |
CN100534617C (zh) * | 2005-06-24 | 2009-09-02 | 揖斐电株式会社 | 蜂窝结构体 |
JP4753784B2 (ja) * | 2005-06-24 | 2011-08-24 | イビデン株式会社 | ハニカム構造体、及び、排気ガス浄化装置 |
WO2006137149A1 (ja) | 2005-06-24 | 2006-12-28 | Ibiden Co., Ltd. | ハニカム構造体 |
WO2006137164A1 (ja) * | 2005-06-24 | 2006-12-28 | Ibiden Co., Ltd. | ハニカム構造体 |
WO2006137163A1 (ja) * | 2005-06-24 | 2006-12-28 | Ibiden Co., Ltd. | ハニカム構造体 |
DE102006020158B4 (de) * | 2006-05-02 | 2009-04-09 | Argillon Gmbh | Extrudierter Vollkatalysator sowie Verfahren zu seiner Herstellung |
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EP2130596A2 (en) | 2009-12-09 |
KR20100004992A (ko) | 2010-01-13 |
JPWO2009141898A1 (ja) | 2011-09-29 |
CN101678348A (zh) | 2010-03-24 |
US20090291834A1 (en) | 2009-11-26 |
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