KR20040084637A - 내연기관 배기가스정화용 촉매, 그 제조방법 및 내연기관배기가스의 정화방법 - Google Patents
내연기관 배기가스정화용 촉매, 그 제조방법 및 내연기관배기가스의 정화방법 Download PDFInfo
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- KR20040084637A KR20040084637A KR10-2003-7013472A KR20037013472A KR20040084637A KR 20040084637 A KR20040084637 A KR 20040084637A KR 20037013472 A KR20037013472 A KR 20037013472A KR 20040084637 A KR20040084637 A KR 20040084637A
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- Prior art keywords
- catalyst
- exhaust gas
- internal combustion
- combustion engine
- carrier
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- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- -1 polyethylene glycol Chemical class 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- AABBHSMFGKYLKE-SNAWJCMRSA-N propan-2-yl (e)-but-2-enoate Chemical compound C\C=C\C(=O)OC(C)C AABBHSMFGKYLKE-SNAWJCMRSA-N 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 229910052701 rubidium Inorganic materials 0.000 description 1
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- JUWGUJSXVOBPHP-UHFFFAOYSA-B titanium(4+);tetraphosphate Chemical compound [Ti+4].[Ti+4].[Ti+4].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O JUWGUJSXVOBPHP-UHFFFAOYSA-B 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 239000003021 water soluble solvent Substances 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/066—Zirconium or hafnium; Oxides or hydroxides thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
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- 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
- B01J23/63—Platinum group metals with rare earths or actinides
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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
- B01J35/56—Foraminous structures having flow-through passages or channels, e.g. grids or three-dimensional monoliths
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0215—Coating
-
- 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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- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/72—Copper
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- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
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- Exhaust Gas After Treatment (AREA)
Abstract
Description
미립자물질정화율(500℃)(%) | SOF분정화율(500℃)(%) | 유산염정화율(500℃)(%) | SOOT정화율(500℃)(%) | |
실시예 1 | 13 | 50 | 0 | 10 |
실시예 2 | 25 | 95 | -20 | 25 |
실시예 3 | 26 | 100 | -5 | 22 |
실시예 4 | 20 | 86 | -4 | 18 |
실시예 5 | 23 | 89 | 20 | 21 |
실시예 6 | 28 | 95 | -25 | 30 |
실시예 7 | 17 | 95 | -20 | 18 |
실시예 8 | 14 | 95 | -20 | 15 |
실시예 9 | 30 | 95 | -18 | 32 |
비교예 1 | 2 | 5 | 0 | 0 |
비교예 2 | 5 | 90 | -20 | 2 |
비교예 3 | 10 | 100 | -6 | 3 |
비교예 4 | 5 | 95 | -25 | 0 |
미립자물질정화율(500℃)(%) | SOF분정화율(500℃)(%) | 유산염정화율(500℃)(%) | SOOT정화율(500℃)(%) | |
실시예 10 | 18 | 53 | 0 | 13 |
실시예 11 | 29 | 98 | -20 | 30 |
실시예 12 | 28 | 100 | -4 | 25 |
실시예 13 | 36 | 96 | -24 | 35 |
실시예 14 | 24 | 96 | -20 | 22 |
실시예 15 | 21 | 97 | -20 | 19 |
실시예 16 | 37 | 96 | -17 | 36 |
실시예 17 | 21 | 95 | -21 | 19 |
실시예 18 | 29 | 96 | -24 | 31 |
비교예 19 | 30 | 95 | -24 | 31 |
비교예 5 | 3 | 80 | -15 | 3 |
비교예 6 | 6 | 91 | -20 | 2 |
비교예 7 | 6 | 89 | -20 | 1 |
미립자물질정화율(500℃)(%) | SOF분정화율(500℃)(%) | 유산염정화율(500℃)(%) | SOOT정화율(500℃)(%) | |
실시예 20 | 33 | 100 | -40 | 33 |
실시예 21 | 32 | 100 | -45 | 32 |
실시예 22 | 30 | 100 | -20 | 29 |
실시예 23 | 29 | 100 | -20 | 28 |
SOF분 정화율(200℃)(%) | |
실시예 2 | 52 |
실시예 20 | 98 |
실시예 21 | 94 |
실시예 22 | 92 |
실시예 23 | 88 |
Claims (15)
- 통로벽의 평균관공직경이 10∼40㎛인 오픈플로우 허니콤을 이용하여 이루어진 내연기관 배기가스정화용 촉매.
- 제1항에 있어서, 상기허니콤은, 오픈플로우 허니콤 담체의 통로벽에 촉매활성성분이 코트되어 이루어진 촉매.
- 제1항에 있어서, 상기촉매활성성분은, 상기 오픈플로우 허니콤 담체의 통로벽에 워시코트하여 이루어진 촉매.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 허니콤의 리브 두께가 0.05mm∼0.50mm이며, 또한 개구율이 60∼90%인 촉매.
- 제1항 내지 제4항 중 어느 한 항에 있어서, 상기 촉매활성성분의 상기 담체에 대한 담지량이 5∼200g/리터이며, 또한 상기 촉매활성성분 담지후의 촉매 통로벽의 평균관공직경이 10∼40㎛인 촉매.
- 오픈플로우 허니콤 담체에, 상기 담체의 통로벽의 관공의 폐색을 억제하여 촉매활성성분 및/또는 내화성 무기물질을 가진 조립상 돌기물로 이루어진 부착막을형성한 촉매로서, 상기 촉매의 통로벽의 평균관공직경이 10∼40㎛인 내연기관 배기가스정화용 촉매.
- 제6항에 있어서, 상기 조립상 돌기물이, 입자지름 40㎛을 넘는 입자가 80질량% 이상이고, 또한 입자지름 300㎛이상인 입자가 5질량% 이하인 조립상물질로 형성되어 있는 촉매.
- 제1항 내지 제7항 중 어느 한 항에 있어서, 상기 촉매활성성분으로 제ⅢB∼ⅤB족 제3주기, 제ⅢA∼ⅦA, Ⅷ,IB∼ⅣB족 제4주기, 제5주기, 제6주기, 알칼리 금속, 알칼리 토류금속 및 희토류 금속으로 이루어진 군으로부터 선택된 적어도 1종의 원소를 포함하고 있는 촉매.
- 제6항 내지 제8항 중 어느 한 항에 있어서, 상기 조립상 부착막을 형성하기 위해 이용하는 내화성 무기질물질이, 활성 알루미나, 실리카, 티타니아, 지르코니아, 실리카-알루미나, 알루미나-지르코니아, 알루미나-티타니아, 실리카-티타니아, 실리카-지르코니아, 티타니아-지르코니아 및 제오라이트로 이루어진 군으로부터 선택된 적어도 1종의 것을 포함하여 이루어진 촉매.
- 제6항 내지 제9항 중 어느 한 항에 있어서, 조립상 물질을, 알루미나졸, 티타니아졸, 지르코니아졸, 실리카졸, 가용성 베마이트 및 가용성 유기고분자화합물로 이루어진 군으로부터 선택된 적어도 1종의 분산제와 함께 수성 슬러리화한 것을 사용하고, 상기 수성슬러리 및 촉매활성성분을 통로벽의 평균관공직경이 10∼40㎛인 오픈플로우 허니콤상에 워시코트하는 것을 특징으로 하는 내연기관 배기가스정화용 촉매의 제조방법.
- 제10항에 있어서, 상기 촉매활성성분은, 상기 수성슬러리를 워시코트한 후에 다시 워시코트되는 방법.
- 제10항에 있어서, 상기 촉매활성성분은, 상기 수성슬러리와 동시에 워시코트하여 이루어진 방법.
- 제1항 내지 제12항 중 어느 한 항에 기재된 촉매중에 내연기관 배기가스를 유통시키는 것으로 이루어진 내연기관 배기가스의 정화방법.
- 제1항 내지 제12항 중 어느 한 항에 기재된 내연기관 배기가스정화용 촉매를 배기가스의 흐름에 대해 산화촉매의 상류 혹은 하류에 배치한 것을 특징으로 하는 내연기관 배기가스의 정화방법.
- 제1항 내지 제13항 중 어느 한 항에 기재된 내연기관용 배기가스정화 촉매를배기가스의 흐름에 대해 NOX환원촉매의 상류 혹은 하류에 배치한 것을 특징으로 하는 내연기관 배기가스의 정화방법.
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JP2002037632 | 2002-02-15 | ||
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JPJP-P-2002-00107989 | 2002-04-10 | ||
JP2002107989 | 2002-04-10 | ||
JPJP-P-2002-00107990 | 2002-04-10 | ||
PCT/JP2003/001556 WO2003068394A1 (fr) | 2002-02-15 | 2003-02-14 | Catalyseur permettant de clarifier les emissions provenant d'un moteur a combustion interne, son procede de preparation, et procede de clarification des emissions provenant d'un moteur a combustion interne |
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JP (1) | JP4628676B2 (ko) |
KR (1) | KR100691789B1 (ko) |
CN (1) | CN1630556B (ko) |
AU (1) | AU2003211985A1 (ko) |
CA (1) | CA2476270C (ko) |
WO (1) | WO2003068394A1 (ko) |
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- 2003-02-14 KR KR1020037013472A patent/KR100691789B1/ko active IP Right Grant
- 2003-02-14 CN CN038036088A patent/CN1630556B/zh not_active Expired - Lifetime
- 2003-02-14 JP JP2003567570A patent/JP4628676B2/ja not_active Expired - Fee Related
- 2003-02-14 WO PCT/JP2003/001556 patent/WO2003068394A1/ja active Application Filing
- 2003-02-14 AU AU2003211985A patent/AU2003211985A1/en not_active Abandoned
- 2003-02-14 CA CA002476270A patent/CA2476270C/en not_active Expired - Fee Related
- 2003-02-14 US US10/503,848 patent/US7740817B2/en active Active
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7704473B2 (en) | 2004-10-26 | 2010-04-27 | Ict Co., Ltd. | Method and device for controlling exhaust emission from internal combustion engine |
KR20220080235A (ko) * | 2020-12-07 | 2022-06-14 | 희성촉매 주식회사 | 배기가스 정화용 촉매의 워시코트 |
Also Published As
Publication number | Publication date |
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KR100691789B1 (ko) | 2007-03-12 |
US7740817B2 (en) | 2010-06-22 |
JPWO2003068394A1 (ja) | 2005-06-02 |
JP4628676B2 (ja) | 2011-02-09 |
EP1475151B1 (en) | 2013-06-19 |
EP1475151A4 (en) | 2006-02-01 |
CA2476270A1 (en) | 2003-08-21 |
US20050095188A1 (en) | 2005-05-05 |
WO2003068394A1 (fr) | 2003-08-21 |
EP1475151A1 (en) | 2004-11-10 |
CA2476270C (en) | 2009-09-15 |
CN1630556B (zh) | 2012-10-03 |
CN1630556A (zh) | 2005-06-22 |
AU2003211985A1 (en) | 2003-09-04 |
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