JP2007275738A - 排ガス浄化用酸化触媒 - Google Patents
排ガス浄化用酸化触媒 Download PDFInfo
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- JP2007275738A JP2007275738A JP2006104269A JP2006104269A JP2007275738A JP 2007275738 A JP2007275738 A JP 2007275738A JP 2006104269 A JP2006104269 A JP 2006104269A JP 2006104269 A JP2006104269 A JP 2006104269A JP 2007275738 A JP2007275738 A JP 2007275738A
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- Prior art keywords
- exhaust gas
- metal oxide
- composite metal
- catalyst
- oxidation catalyst
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- 239000003054 catalyst Substances 0.000 title claims abstract description 59
- 230000003647 oxidation Effects 0.000 title claims abstract description 34
- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 34
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 55
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 55
- 239000002131 composite material Substances 0.000 claims abstract description 54
- 239000013078 crystal Substances 0.000 claims abstract description 23
- 229910052751 metal Inorganic materials 0.000 claims abstract description 21
- 239000002184 metal Substances 0.000 claims abstract description 21
- 238000002485 combustion reaction Methods 0.000 claims abstract description 11
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 6
- 229910052727 yttrium Inorganic materials 0.000 claims abstract description 6
- 229910052706 scandium Inorganic materials 0.000 claims abstract description 5
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 5
- 229910052691 Erbium Inorganic materials 0.000 claims abstract description 4
- 229910052689 Holmium Inorganic materials 0.000 claims abstract description 4
- 229910052775 Thulium Inorganic materials 0.000 claims abstract description 4
- 229910052769 Ytterbium Inorganic materials 0.000 claims abstract description 4
- 238000000746 purification Methods 0.000 claims description 19
- 229910052765 Lutetium Inorganic materials 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 15
- 229930195733 hydrocarbon Natural products 0.000 abstract description 11
- 150000002430 hydrocarbons Chemical class 0.000 abstract description 11
- 238000009835 boiling Methods 0.000 abstract description 9
- 229910052715 tantalum Inorganic materials 0.000 abstract description 5
- 229910052707 ruthenium Inorganic materials 0.000 abstract description 4
- 239000004215 Carbon black (E152) Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 52
- 239000011572 manganese Substances 0.000 description 18
- 230000000052 comparative effect Effects 0.000 description 12
- 229910009580 YMnO Inorganic materials 0.000 description 11
- 239000006229 carbon black Substances 0.000 description 9
- MIVBAHRSNUNMPP-UHFFFAOYSA-N manganese(2+);dinitrate Chemical compound [Mn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MIVBAHRSNUNMPP-UHFFFAOYSA-N 0.000 description 8
- NFSAPTWLWWYADB-UHFFFAOYSA-N n,n-dimethyl-1-phenylethane-1,2-diamine Chemical compound CN(C)C(CN)C1=CC=CC=C1 NFSAPTWLWWYADB-UHFFFAOYSA-N 0.000 description 8
- 239000010955 niobium Substances 0.000 description 8
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 6
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 230000003197 catalytic effect Effects 0.000 description 5
- 230000007547 defect Effects 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 230000001737 promoting effect Effects 0.000 description 5
- 239000010936 titanium Substances 0.000 description 4
- 238000010304 firing Methods 0.000 description 3
- 229910000484 niobium oxide Inorganic materials 0.000 description 3
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 description 3
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 229910001925 ruthenium oxide Inorganic materials 0.000 description 3
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 description 3
- 229910001936 tantalum oxide Inorganic materials 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000004455 differential thermal analysis Methods 0.000 description 2
- 229910052746 lanthanum Inorganic materials 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- -1 0.005 ≦ x ≦ 0.2 Substances 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- 229910052772 Samarium Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- 238000002076 thermal analysis method Methods 0.000 description 1
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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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/002—Mixed oxides other than spinels, e.g. perovskite
-
- 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
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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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/32—Manganese, technetium or rhenium
- B01J23/34—Manganese
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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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
- B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/656—Manganese, technetium or rhenium
- B01J23/6562—Manganese
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G45/00—Compounds of manganese
- C01G45/006—Compounds containing, besides manganese, two or more other elements, with the exception of oxygen or hydrogen
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G45/00—Compounds of manganese
- C01G45/12—Manganates manganites or permanganates
- C01G45/1221—Manganates or manganites with a manganese oxidation state of Mn(III), Mn(IV) or mixtures thereof
- C01G45/125—Manganates or manganites with a manganese oxidation state of Mn(III), Mn(IV) or mixtures thereof of the type[MnO3]n-, e.g. Li2MnO3, Li2[MxMn1-xO3], (La,Sr)MnO3
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G45/00—Compounds of manganese
- C01G45/12—Manganates manganites or permanganates
- C01G45/1221—Manganates or manganites with a manganese oxidation state of Mn(III), Mn(IV) or mixtures thereof
- C01G45/125—Manganates or manganites with a manganese oxidation state of Mn(III), Mn(IV) or mixtures thereof of the type[MnO3]n-, e.g. Li2MnO3, Li2[MxMn1-xO3], (La,Sr)MnO3
- C01G45/1264—Manganates or manganites with a manganese oxidation state of Mn(III), Mn(IV) or mixtures thereof of the type[MnO3]n-, e.g. Li2MnO3, Li2[MxMn1-xO3], (La,Sr)MnO3 containing rare earth, e.g. La1-xCaxMnO3, LaMnO3
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
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- 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
- F01N3/105—General auxiliary catalysts, e.g. upstream or downstream of the main catalyst
- F01N3/106—Auxiliary oxidation catalysts
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- B01D2255/2073—Manganese
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- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
- B01J37/0027—Powdering
- B01J37/0036—Grinding
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- F01N2370/02—Selection of materials for exhaust purification used in catalytic reactors
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Abstract
【解決手段】一般式LnyMn1−xAxO3で表され、LnはSc、Y、Ho、Er、Tm、Yb、Luからなる群から選択される1種の金属であり、AはTi、Nb、Ta、Ruからなる群から選択される1種の金属であり、0.005≦x≦0.2であり、0.9≦y≦1である複合金属酸化物からなる。LnはYである。前記複合金属酸化物は六方晶構造からなる。
【選択図】 図1
Description
〔比較例1〕
本比較例では、アナターゼ型酸化チタンを全く用いなかった以外は、実施例1と全く同一にして、YMnO3で表される複合金属酸化物を得た。
Claims (3)
- 内燃機関の排ガス中の含有物を酸化して浄化する酸化触媒において、
一般式LnyMn1−xAxO3で表され、LnはSc、Y、Ho、Er、Tm、Yb、Luからなる群から選択される1種の金属であり、AはTi、Nb、Ta、Ruからなる群から選択される1種の金属であり、0.005≦x≦0.2であり、0.9≦y≦1である複合金属酸化物からなることを特徴とする排ガス浄化用酸化触媒。 - LnはYであることを特徴とする請求項1記載の排ガス浄化用酸化触媒。
- 前記複合金属酸化物は六方晶構造からなることを特徴とする請求項1または請求項2記載の排ガス浄化用酸化触媒。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006104269A JP4611927B2 (ja) | 2006-04-05 | 2006-04-05 | 排ガス浄化用酸化触媒 |
US11/730,858 US7572751B2 (en) | 2006-04-05 | 2007-04-04 | Oxidation catalyst for cleaning exhaust gas |
EP07007199A EP1842588B1 (en) | 2006-04-05 | 2007-04-05 | Use of a composite metal oxide as oxidation catalyst for cleaning exhaust gas |
DE602007000386T DE602007000386D1 (de) | 2006-04-05 | 2007-04-05 | Verwendung eines Metalloxides als Oxidationskatalysator zum Reinigen von Abgas |
US12/417,388 US8034742B2 (en) | 2006-04-05 | 2009-04-02 | Method of producing oxidation catalyst for cleaning exhaust gas |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006104269A JP4611927B2 (ja) | 2006-04-05 | 2006-04-05 | 排ガス浄化用酸化触媒 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007275738A true JP2007275738A (ja) | 2007-10-25 |
JP4611927B2 JP4611927B2 (ja) | 2011-01-12 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2006104269A Expired - Fee Related JP4611927B2 (ja) | 2006-04-05 | 2006-04-05 | 排ガス浄化用酸化触媒 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7572751B2 (ja) |
EP (1) | EP1842588B1 (ja) |
JP (1) | JP4611927B2 (ja) |
DE (1) | DE602007000386D1 (ja) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009136787A (ja) * | 2007-12-06 | 2009-06-25 | Honda Motor Co Ltd | 排ガス浄化用酸化触媒装置の製造方法 |
JP2009136786A (ja) * | 2007-12-06 | 2009-06-25 | Honda Motor Co Ltd | 排ガス浄化用酸化触媒装置の製造方法 |
WO2009130869A1 (ja) * | 2008-04-22 | 2009-10-29 | 本田技研工業株式会社 | 酸化触媒及び排ガス浄化用酸化触媒装置 |
JP2009279579A (ja) * | 2008-04-22 | 2009-12-03 | Honda Motor Co Ltd | 酸化触媒 |
JP2010042396A (ja) * | 2008-07-15 | 2010-02-25 | Honda Motor Co Ltd | 排ガス浄化用酸化触媒装置 |
JP2011183277A (ja) * | 2010-03-05 | 2011-09-22 | Honda Motor Co Ltd | 排気浄化触媒 |
JP2011189306A (ja) * | 2010-03-16 | 2011-09-29 | Honda Motor Co Ltd | 排ガス浄化用触媒 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4689574B2 (ja) | 2006-10-20 | 2011-05-25 | 本田技研工業株式会社 | 排ガス浄化用酸化触媒 |
US8409518B2 (en) * | 2009-03-16 | 2013-04-02 | GM Global Technology Operations LLC | Sulfur tolerant perovskite supported catalysts |
CN102477020A (zh) * | 2010-11-29 | 2012-05-30 | 中国科学院大连化学物理研究所 | 一种催化碳水化合物制备5-羟甲基糠醛的方法 |
KR101473440B1 (ko) * | 2012-05-02 | 2014-12-18 | 장길상 | 배기가스의 처리용 혼합금속산화물 촉매, 이의 제조방법 및 이를 이용한 배기가스의 처리방법 |
TWI451905B (zh) * | 2013-01-25 | 2014-09-11 | Univ Nat Chiao Tung | 乙醇重組器觸媒組成物及乙醇重組器觸媒之製備方法 |
WO2014163235A1 (ko) * | 2013-04-01 | 2014-10-09 | ㈜후산 | 배기가스의 처리용 혼합금속산화물 촉매, 이의 제조방법 및 이를 이용한 배기가스의 처리방법 |
US9962654B2 (en) * | 2016-02-16 | 2018-05-08 | GM Global Technology Operations LLC | Perovskite based oxygen storage materials |
US10946362B1 (en) * | 2017-02-24 | 2021-03-16 | University Of South Florida | Perovskite oxides for thermochemical conversion of carbon dioxide |
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JPH0199432U (ja) * | 1987-12-23 | 1989-07-04 |
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JPH06151872A (ja) * | 1992-11-09 | 1994-05-31 | Mitsubishi Kasei Corp | Fet素子 |
JPH07116519A (ja) | 1993-10-20 | 1995-05-09 | Toyota Central Res & Dev Lab Inc | 排ガス浄化材および排ガス浄化方法 |
US6740261B1 (en) * | 1997-03-19 | 2004-05-25 | Denso Corporation | Wide-range type thermistor element and method of producing the same |
JP3528839B2 (ja) | 2002-05-15 | 2004-05-24 | トヨタ自動車株式会社 | パティキュレート酸化材及び酸化触媒 |
TWI226377B (en) | 2002-11-08 | 2005-01-11 | Ind Tech Res Inst | Dielectric material compositions |
JP2005066559A (ja) * | 2003-08-28 | 2005-03-17 | Mitsubishi Heavy Ind Ltd | 排ガス処理触媒および排ガス処理方法 |
US7250648B2 (en) * | 2003-09-04 | 2007-07-31 | Intematix Corporation | Ferroelectric rare-earth manganese-titanium oxides |
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2006
- 2006-04-05 JP JP2006104269A patent/JP4611927B2/ja not_active Expired - Fee Related
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2007
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- 2007-04-05 EP EP07007199A patent/EP1842588B1/en not_active Ceased
- 2007-04-05 DE DE602007000386T patent/DE602007000386D1/de active Active
Patent Citations (2)
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JPS4855892A (ja) * | 1971-11-16 | 1973-08-06 | ||
JPH0199432U (ja) * | 1987-12-23 | 1989-07-04 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009136787A (ja) * | 2007-12-06 | 2009-06-25 | Honda Motor Co Ltd | 排ガス浄化用酸化触媒装置の製造方法 |
JP2009136786A (ja) * | 2007-12-06 | 2009-06-25 | Honda Motor Co Ltd | 排ガス浄化用酸化触媒装置の製造方法 |
WO2009130869A1 (ja) * | 2008-04-22 | 2009-10-29 | 本田技研工業株式会社 | 酸化触媒及び排ガス浄化用酸化触媒装置 |
JP2009279579A (ja) * | 2008-04-22 | 2009-12-03 | Honda Motor Co Ltd | 酸化触媒 |
JP2010042396A (ja) * | 2008-07-15 | 2010-02-25 | Honda Motor Co Ltd | 排ガス浄化用酸化触媒装置 |
JP2011183277A (ja) * | 2010-03-05 | 2011-09-22 | Honda Motor Co Ltd | 排気浄化触媒 |
JP2011189306A (ja) * | 2010-03-16 | 2011-09-29 | Honda Motor Co Ltd | 排ガス浄化用触媒 |
Also Published As
Publication number | Publication date |
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EP1842588B1 (en) | 2008-12-24 |
US7572751B2 (en) | 2009-08-11 |
EP1842588A1 (en) | 2007-10-10 |
US20070238609A1 (en) | 2007-10-11 |
JP4611927B2 (ja) | 2011-01-12 |
DE602007000386D1 (de) | 2009-02-05 |
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