KR101112014B1 - 디젤 미립자 필터 - Google Patents
디젤 미립자 필터 Download PDFInfo
- Publication number
- KR101112014B1 KR101112014B1 KR1020040051553A KR20040051553A KR101112014B1 KR 101112014 B1 KR101112014 B1 KR 101112014B1 KR 1020040051553 A KR1020040051553 A KR 1020040051553A KR 20040051553 A KR20040051553 A KR 20040051553A KR 101112014 B1 KR101112014 B1 KR 101112014B1
- Authority
- KR
- South Korea
- Prior art keywords
- filter
- per liter
- wall flow
- active material
- exhaust gas
- 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
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- 239000007789 gas Substances 0.000 claims abstract description 41
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 15
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 13
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 12
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000011149 active material Substances 0.000 claims abstract description 10
- 238000000746 purification Methods 0.000 claims abstract description 8
- 230000003197 catalytic effect Effects 0.000 claims abstract description 7
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 6
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 6
- 239000010937 tungsten Substances 0.000 claims abstract description 6
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 150000001875 compounds Chemical class 0.000 claims abstract description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 3
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 3
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 3
- 239000002245 particle Substances 0.000 claims description 26
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 10
- 229910052763 palladium Inorganic materials 0.000 claims description 5
- 230000001590 oxidative effect Effects 0.000 claims 1
- 230000003647 oxidation Effects 0.000 abstract description 9
- 238000007254 oxidation reaction Methods 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 4
- 238000006902 nitrogenation reaction Methods 0.000 abstract 1
- 239000004071 soot Substances 0.000 description 19
- 229930195733 hydrocarbon Natural products 0.000 description 18
- 150000002430 hydrocarbons Chemical class 0.000 description 18
- 239000003054 catalyst Substances 0.000 description 14
- 238000012360 testing method Methods 0.000 description 14
- 229910010413 TiO 2 Inorganic materials 0.000 description 13
- 239000013618 particulate matter Substances 0.000 description 10
- 239000000654 additive Substances 0.000 description 9
- 238000002485 combustion reaction Methods 0.000 description 8
- 239000002283 diesel fuel Substances 0.000 description 6
- 239000000446 fuel Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000011148 porous material Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 3
- 238000001354 calcination Methods 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910007729 Zr W Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 150000004696 coordination complex Chemical class 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000009931 harmful effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- -1 NO 2 Chemical class 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 239000006280 diesel fuel additive Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052747 lanthanoid Inorganic materials 0.000 description 1
- 150000002602 lanthanoids Chemical class 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
-
- 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
- B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
- B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
- B01D39/2068—Other inorganic materials, e.g. ceramics
- B01D39/2072—Other inorganic materials, e.g. ceramics the material being particulate or granular
- B01D39/2075—Other inorganic materials, e.g. ceramics the material being particulate or granular sintered or bonded by inorganic agents
-
- 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
- B01J23/652—Chromium, molybdenum or tungsten
- B01J23/6527—Tungsten
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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
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/022—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
- F01N3/0222—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous the structure being monolithic, e.g. honeycombs
-
- 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
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
-
- 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
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
- F01N3/035—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with catalytic reactors, e.g. catalysed diesel 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
- F01N3/24—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
-
- 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
- F01N2430/00—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics
- F01N2430/04—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics by adding non-fuel substances to combustion air or fuel, e.g. additives
-
- 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
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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
- F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
- F01N2570/02—Lead
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Health & Medical Sciences (AREA)
- Inorganic Chemistry (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Toxicology (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Exhaust Gas After Treatment (AREA)
- Processes For Solid Components From Exhaust (AREA)
- Filtering Materials (AREA)
- Liquid Carbonaceous Fuels (AREA)
Abstract
Description
샘플 No. | NO2 감소% | HC 감소% | CO 감소% | PM 감소% | C 제거 온도 |
1 | 70 | 83 | 92 | 97 | 450 |
2 | 55 | 81 | 99 | 94 | 420 |
3 | 64 | 83 | 61 | 95 | >550 |
선행기술 350℃ | 12-42 | 31-60 | - (마이너스) 15-30 |
16-22 | NA |
샘플 No. | NO2 감소% | HC 감소% | CO 감소% | PM 감소% | C 제거 온도 |
1 | 10 | 80 | 95 | 98 | 450 |
2 | 5 | 74 | 52 | 97 | 420 |
3 | 16 | 77 | 99 | 93 | >550 |
선행기술 450℃ | 36-45 | 76-90 | 51-66 | 16-27 | NA |
샘플 No. | NO2 감소% | HC 감소% | CO 감소% | PM 감소% | C 제거 온도 |
1 | 93 | 83 | 92 | 97 | 250 |
선행기술 350℃ |
12-42 | 31-60 | - (마이너스) 15-30 |
16-22 | NA |
샘플 No. | NO2 감소% | HC 감소% | CO 감소% | PM 감소% | C 제거 온도 |
1 | 69 | 80 | 95 | 98 | 250 |
선행기술 450℃ |
36-45 | 76-90 | 51-66 | 16-27 | NA |
Claims (9)
- 질소 산화물을 질소로 환원하고 탄소질 화합물을 이산화탄소와 물로 산화하는데 촉매 활성인 재료가 구비된 벽 유동 필터를 통해 배기 가스를 통과시키는 단계를 포함하며, 벽 유동 필터는 탄화규소 입자로부터 제조되고, 각각의 입자의 표면 위에는 이산화티타늄의 층을 구비하며, 촉매 활성 재료는 바나듐, 텅스텐 및 금속 팔라듐의 산화물을 포함하고,상기 촉매 활성 재료는필터 리터당 20-50g V2O5 ;필터 리터당 1-50g WO3; 및필터 리터당 0.25-1g Pd 을 포함하는 것을 특징으로 하는, 디젤 엔진으로부터의 배기 가스의 촉매 정화 방법.
- 제 1항에 있어서, 촉매 활성 재료는 추가적으로 필터 리터당 2g Pt 이하의 금속 백금을 포함하는 것을 특징으로 하는, 디젤 엔진으로부터의 배기 가스의 촉매 정화 방법.
- 디젤 엔진으로부터의 배기 가스의 정화에 사용하기 위한 벽 유동 필터로서, 벽 유동 필터는 탄화규소 입자로부터 제조되고, 각각의 입자의 표면 위에는 이산화티타늄의 층을 구비하며, 바나듐, 텅스텐 및 금속 팔라듐의 산화물을 포함하는 촉매 활성 재료를 구비하고,상기 촉매 활성 재료는필터 리터당 20-50g V2O5 ;필터 리터당 1-50g WO3; 및필터 리터당 0.25-1g Pd 을 포함하는 것을 특징으로 하는, 벽 유동 필터.
- 제 3 항에 있어서, 촉매 활성 재료로서 필터 리터당 2g Pt 이하의 금속 백금을 더 포함하는 것을 특징으로 하는, 벽 유동 필터.
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Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DKPA200300999 | 2003-07-02 | ||
DKPA200300999 | 2003-07-02 | ||
DKPA200301173 | 2003-08-15 | ||
DKPA200301173 | 2003-08-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050004108A KR20050004108A (ko) | 2005-01-12 |
KR101112014B1 true KR101112014B1 (ko) | 2012-02-15 |
Family
ID=33436010
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020040051553A Expired - Lifetime KR101112014B1 (ko) | 2003-07-02 | 2004-07-02 | 디젤 미립자 필터 |
Country Status (12)
Country | Link |
---|---|
US (1) | US7625538B2 (ko) |
EP (1) | EP1493484B1 (ko) |
JP (1) | JP2005046836A (ko) |
KR (1) | KR101112014B1 (ko) |
CN (1) | CN100422515C (ko) |
AT (1) | ATE355884T1 (ko) |
AU (1) | AU2004202990B2 (ko) |
CA (1) | CA2472839C (ko) |
DE (1) | DE602004005107T2 (ko) |
ES (1) | ES2281714T3 (ko) |
PL (1) | PL1493484T3 (ko) |
RU (1) | RU2398972C2 (ko) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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- 2004-06-21 DE DE602004005107T patent/DE602004005107T2/de not_active Expired - Lifetime
- 2004-06-21 EP EP04014458A patent/EP1493484B1/en not_active Expired - Lifetime
- 2004-06-21 AT AT04014458T patent/ATE355884T1/de active
- 2004-06-21 ES ES04014458T patent/ES2281714T3/es not_active Expired - Lifetime
- 2004-06-28 US US10/876,568 patent/US7625538B2/en active Active
- 2004-06-30 AU AU2004202990A patent/AU2004202990B2/en not_active Ceased
- 2004-06-30 JP JP2004193201A patent/JP2005046836A/ja active Pending
- 2004-07-01 RU RU2004119970/15A patent/RU2398972C2/ru not_active IP Right Cessation
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EP1493484B1 (en) | 2007-03-07 |
RU2004119970A (ru) | 2006-01-10 |
CN1576528A (zh) | 2005-02-09 |
PL1493484T3 (pl) | 2007-05-31 |
RU2398972C2 (ru) | 2010-09-10 |
AU2004202990A1 (en) | 2005-01-20 |
US7625538B2 (en) | 2009-12-01 |
EP1493484A1 (en) | 2005-01-05 |
CN100422515C (zh) | 2008-10-01 |
CA2472839A1 (en) | 2005-01-02 |
US20050002838A1 (en) | 2005-01-06 |
ATE355884T1 (de) | 2007-03-15 |
CA2472839C (en) | 2012-09-25 |
KR20050004108A (ko) | 2005-01-12 |
AU2004202990B2 (en) | 2010-06-24 |
DE602004005107D1 (de) | 2007-04-19 |
JP2005046836A (ja) | 2005-02-24 |
DE602004005107T2 (de) | 2007-06-28 |
ES2281714T3 (es) | 2007-10-01 |
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