KR910009335A - 지지 촉매 및 그의 제조방법 - Google Patents
지지 촉매 및 그의 제조방법 Download PDFInfo
- Publication number
- KR910009335A KR910009335A KR1019900019277A KR900019277A KR910009335A KR 910009335 A KR910009335 A KR 910009335A KR 1019900019277 A KR1019900019277 A KR 1019900019277A KR 900019277 A KR900019277 A KR 900019277A KR 910009335 A KR910009335 A KR 910009335A
- Authority
- KR
- South Korea
- Prior art keywords
- carrier
- cerium
- catalyst
- porous material
- active element
- Prior art date
Links
- 239000003054 catalyst Substances 0.000 title claims 13
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 claims 9
- 239000011148 porous material Substances 0.000 claims 7
- 229910052684 Cerium Inorganic materials 0.000 claims 5
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical group [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims 5
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 3
- 229910000420 cerium oxide Inorganic materials 0.000 claims 3
- 150000001875 compounds Chemical class 0.000 claims 3
- 238000005470 impregnation Methods 0.000 claims 3
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims 3
- 239000002245 particle Substances 0.000 claims 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 2
- 229910052697 platinum Inorganic materials 0.000 claims 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims 1
- ZGMCLEXFYGHRTK-UHFFFAOYSA-N [Fe].[Ce] Chemical compound [Fe].[Ce] ZGMCLEXFYGHRTK-UHFFFAOYSA-N 0.000 claims 1
- 230000002378 acidificating effect Effects 0.000 claims 1
- UNJPQTDTZAKTFK-UHFFFAOYSA-K cerium(iii) hydroxide Chemical compound [OH-].[OH-].[OH-].[Ce+3] UNJPQTDTZAKTFK-UHFFFAOYSA-K 0.000 claims 1
- 238000000151 deposition Methods 0.000 claims 1
- 238000001035 drying Methods 0.000 claims 1
- 239000003063 flame retardant Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims 1
- 229910052809 inorganic oxide Inorganic materials 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- UCUXYVNKFJJXDE-UHFFFAOYSA-N nitrate;hydrate Chemical compound O.[O-][N+]([O-])=O UCUXYVNKFJJXDE-UHFFFAOYSA-N 0.000 claims 1
- 229910000510 noble metal Inorganic materials 0.000 claims 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims 1
- UUZZMWZGAZGXSF-UHFFFAOYSA-N peroxynitric acid Chemical compound OON(=O)=O UUZZMWZGAZGXSF-UHFFFAOYSA-N 0.000 claims 1
- 238000007493 shaping process Methods 0.000 claims 1
- 239000000377 silicon dioxide Substances 0.000 claims 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims 1
- 229910001928 zirconium oxide Inorganic materials 0.000 claims 1
Classifications
-
- 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
- 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
-
- 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
- B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
-
- 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
-
- 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
- B01J35/19—Catalysts containing parts with different compositions
-
- 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
- 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
-
- 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)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Combustion & Propulsion (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (19)
- 백금계에 속하지 않는 하나 이상의 활성 원소를 담체의 소정의 폭의 외면 고리상에 균질 농도로 침착시킴을 특징으로하는, 촉매적 활성 원소가 침착되어 있는 다공성 물질을 형태화함을써 수득된 담체를 함유하는 유형의 지지촉매.
- 제1항에 있어서, 담체의 외면 고리의 폭이 일정함을 특징으로 하는 촉매.
- 제1항 또는 2항에 있어서, 다공성 물질이 활성 표면 부위를 가짐을 특징으로 하는 촉매.
- 제1항, 2항 또는 3항에 있어서, 다공성 물질이 산성, 염기성 또는 양쪽성 특성을 가진 무기 산화물임을 특징으로 하는 촉매.
- 제1항 내지 4항중 어느 한 항에 있어서, 다공성 물질이 알루미나, 실리카, 티타늄 산화물, 지르코늄 산화물, 세륨 산화물 또는 이들의 혼합물로 구성된 군으로부터 선택됨을 특징으로 하는 촉매.
- 제1항 내지 5항중 어느 한 항에 있어서, 담체의 외면 고리에 함침된 활성 원소가 세륨임을 특징으로 하는 촉매.
- 제1항 내지 6항중 어느 한 항에 있어서, 담체의 전체 표면에 걸쳐 함침된, 촉매적 활성원소를 포함함을 특징으로 하는 촉매.
- 제1항 내지 7항중 어느 한 항에 있어서, 활성원소인 세륨에 상응하는 폭과 동일 또는 상이한 폭을 가진 담체외 외면고리상에 함침되는 백금계의 촉매적 활성원소를 포함함을 특징으로 하는 촉매.
- 제7항 또는 8항에 있어서, 촉진 원소를 포함함을 특징으로 하는 촉매.
- 제1항 내지 9항중 어느 한 항에 있어서, 외면 고리 이외의 담체중의 세륨 원소의 농도가 0임을 특징으로 하는 촉매.
- 다공성 물질의 담체를 침착되는 원소 화합물의 용액으로 함침시키고, 함침된 담체를 건조시킨 다음 이것을 열처리하여 재활성시키는 것으로 구성되고 상기 담체의 외면 고리에 침착되는 활성 원소의 함침이 상기 원소 화합물의 콜로이드 용액을 사용한 함침에 의해 실행됨을 특징으로 하는 제1 내지 10항중 어느 한 항에 따른 촉매의 제조방법.
- 제11항에 있어서, 화합물이 수산화물, 수산화 질산염임을 특징으로 하는 방법.
- 제10항 또는 11항에 있어서, 콜로이드 용액의 입자가 담체를 형성하는 다공성 물질에 있는 미세공극의 치수보다 더 작은 치수를 가짐을 특징으로하는 방법.
- 제13항에 있어서, 콜로이드 용액의 입자의 치수가 1000Å 이하임을 특징으로 하는 방법.
- 제14항에 있어서, 콜로이드 용액의 입자의 치수가 100Å 미만임을 특징으로 하는방법.
- 제10항 내지 15항중 어느 한 항에 있어서, 콜로이드 용액이 세륨 수산화물 또는 세륨 히드록시니트레이트의 콜로이드 용액임을 특징으로하는 방법.
- 제16항에 있어서, 알루미나와 같은 양쪽성 특성을 가진 다공성 물질을 위한 세륨 산화물의 콜로이드 용액이 pH 0.2~2임을 특징으로 하는 방법.
- 제16항 또는 17항에 있어서, 콜로이드 함침용액중의 세륨 산화물의 농도가 20~400g/ℓ임을 특징으로하는 방법.
- 알루미나 기재 담체 및 철 세륨 또는 귀금속과 같은 촉매적 활성 원소를 함유하는 유형이고, 제10항 내지 19항중 어느 한 항에 기술된 방식에 의해 세륨을 담체의 외면 고리에 침착시킴을 특징으로 하는, 내연기관으로 부터의 배기 가스 처리용촉매.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8915542A FR2654953B1 (fr) | 1989-11-27 | 1989-11-27 | Catalyseurs supportes et procede de fabrication de ceux-ci. |
| FR8915542 | 1989-11-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR910009335A true KR910009335A (ko) | 1991-06-28 |
| KR970005545B1 KR970005545B1 (ko) | 1997-04-17 |
Family
ID=9387795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019900019277A KR970005545B1 (ko) | 1989-11-27 | 1990-11-27 | 지지 촉매 및 그의 제조방법 |
Country Status (17)
| Country | Link |
|---|---|
| EP (1) | EP0430744B1 (ko) |
| JP (2) | JP2552201B2 (ko) |
| KR (1) | KR970005545B1 (ko) |
| AT (1) | ATE138591T1 (ko) |
| BR (1) | BR9005980A (ko) |
| CA (1) | CA2030682A1 (ko) |
| DE (1) | DE69027184T2 (ko) |
| DK (1) | DK0430744T3 (ko) |
| ES (1) | ES2090113T3 (ko) |
| FI (1) | FI905824A (ko) |
| FR (1) | FR2654953B1 (ko) |
| GR (1) | GR3020638T3 (ko) |
| IE (1) | IE904093A1 (ko) |
| MX (1) | MX171972B (ko) |
| NO (1) | NO905099L (ko) |
| PT (1) | PT95999B (ko) |
| RU (1) | RU2027505C1 (ko) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NZ531552A (en) * | 2001-09-14 | 2006-08-31 | Rothmans Benson & Hedges | A process for making rare earth metal oxide-coated microporous materials |
| JP4165419B2 (ja) | 2004-03-09 | 2008-10-15 | トヨタ自動車株式会社 | 金属酸化物粒子及び排ガス浄化触媒の製造方法 |
| JP4165443B2 (ja) | 2004-04-27 | 2008-10-15 | トヨタ自動車株式会社 | 金属酸化物粒子の製造方法、及び排ガス浄化触媒 |
| WO2005102523A1 (en) | 2004-04-27 | 2005-11-03 | Toyota Jidosha Kabushiki Kaisha | Process for producing metal oxide particle and exhaust gas purifying catalyst |
| JP4865250B2 (ja) | 2005-04-15 | 2012-02-01 | 三菱重工業株式会社 | 排ガス処理用触媒の製造方法 |
| JP4801461B2 (ja) | 2006-02-16 | 2011-10-26 | 三菱重工業株式会社 | 排ガス処理用触媒の製造方法 |
| GB0603942D0 (en) | 2006-02-28 | 2006-04-05 | Johnson Matthey Plc | Exhaust system for a spark-ignited internal combustion engine |
| JP4939082B2 (ja) | 2006-03-01 | 2012-05-23 | 三菱重工業株式会社 | 排ガス処理システム |
| JP2008289971A (ja) | 2007-05-23 | 2008-12-04 | Toyota Motor Corp | コアシェル構造体及びその製造方法並びに当該コアシェル構造体を含む排ガス浄化用触媒 |
| GB0716833D0 (en) | 2007-08-31 | 2007-10-10 | Nunn Andrew D | On board diagnostic system |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1004588A (fr) * | 1949-01-10 | 1952-03-31 | Houilleres Bassin Du Nord | Procédé de préparation de catalyseurs et ses applications |
| US2695893A (en) * | 1950-09-13 | 1954-11-30 | Eugene J Houdry | Catalysis and manufacture of catalytic masses |
| BE605998A (ko) * | 1950-10-30 | |||
| DE2352795A1 (de) * | 1972-10-23 | 1974-05-02 | Toa Nenryo Kogyo Kk | Verfahren zur herstellung eines katalysators zur kohlenwasserstoffkonversion |
| US4136063A (en) * | 1974-04-20 | 1979-01-23 | Toyota Jidosha Kogyo Kabushiki Kaisha | Catalyst carrier |
| US4331565A (en) * | 1980-11-28 | 1982-05-25 | General Motors Corporation | Method for forming high surface area catalyst carrier and catalyst using same |
| JPS57119834A (en) * | 1981-01-20 | 1982-07-26 | Mitsui Mining & Smelting Co Ltd | Rare earth liquid composition for coating of catalyst carrier |
| US4465789A (en) * | 1983-04-04 | 1984-08-14 | American Cyanamid Company | Hydrotreating catalyst support having dual pore structure |
| US4900712A (en) * | 1988-09-30 | 1990-02-13 | Prototech Company | Catalytic washcoat and method of preparation of the same |
-
1989
- 1989-11-27 FR FR8915542A patent/FR2654953B1/fr not_active Expired - Fee Related
-
1990
- 1990-11-12 MX MX023420A patent/MX171972B/es unknown
- 1990-11-13 ES ES90403205T patent/ES2090113T3/es not_active Expired - Lifetime
- 1990-11-13 EP EP90403205A patent/EP0430744B1/fr not_active Expired - Lifetime
- 1990-11-13 AT AT90403205T patent/ATE138591T1/de not_active IP Right Cessation
- 1990-11-13 DK DK90403205.9T patent/DK0430744T3/da active
- 1990-11-13 IE IE409390A patent/IE904093A1/en unknown
- 1990-11-13 DE DE69027184T patent/DE69027184T2/de not_active Expired - Fee Related
- 1990-11-23 CA CA002030682A patent/CA2030682A1/fr not_active Abandoned
- 1990-11-26 FI FI905824A patent/FI905824A/fi not_active Application Discontinuation
- 1990-11-26 NO NO90905099A patent/NO905099L/no unknown
- 1990-11-26 RU SU904831755A patent/RU2027505C1/ru active
- 1990-11-26 BR BR909005980A patent/BR9005980A/pt not_active Application Discontinuation
- 1990-11-26 PT PT95999A patent/PT95999B/pt not_active IP Right Cessation
- 1990-11-27 KR KR1019900019277A patent/KR970005545B1/ko not_active IP Right Cessation
- 1990-11-27 JP JP2321336A patent/JP2552201B2/ja not_active Expired - Lifetime
-
1994
- 1994-04-07 JP JP6092909A patent/JP2651998B2/ja not_active Expired - Lifetime
-
1996
- 1996-07-26 GR GR960401994T patent/GR3020638T3/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IE904093A1 (en) | 1991-06-05 |
| FI905824A0 (fi) | 1990-11-26 |
| JP2651998B2 (ja) | 1997-09-10 |
| DE69027184D1 (de) | 1996-07-04 |
| BR9005980A (pt) | 1991-09-24 |
| EP0430744A1 (fr) | 1991-06-05 |
| PT95999B (pt) | 1998-01-30 |
| NO905099L (no) | 1991-05-28 |
| RU2027505C1 (ru) | 1995-01-27 |
| FR2654953B1 (fr) | 1994-02-04 |
| EP0430744B1 (fr) | 1996-05-29 |
| FR2654953A1 (fr) | 1991-05-31 |
| MX171972B (es) | 1993-11-24 |
| CA2030682A1 (fr) | 1991-05-28 |
| NO905099D0 (no) | 1990-11-26 |
| KR970005545B1 (ko) | 1997-04-17 |
| GR3020638T3 (en) | 1996-10-31 |
| ES2090113T3 (es) | 1996-10-16 |
| JPH0747288A (ja) | 1995-02-21 |
| JP2552201B2 (ja) | 1996-11-06 |
| JPH03181335A (ja) | 1991-08-07 |
| FI905824A (fi) | 1991-05-28 |
| PT95999A (pt) | 1991-09-13 |
| DK0430744T3 (da) | 1996-06-17 |
| DE69027184T2 (de) | 1996-11-28 |
| ATE138591T1 (de) | 1996-06-15 |
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