CATALYST FOR EXHAUST GAS PURIFICATION

PROBLEM TO BE SOLVED: To provide a catalyst for exhaust gas purification that is excellent in heat resistance.SOLUTION: Provided is a catalyst for exhaust gas purification containing a carrier that contains a complex oxide formed from AlO, ZrO, LaOand optionally YO, and a noble metal supported on th...

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Main Author IMOTO RUI
Format Patent
LanguageEnglish
Japanese
Published 18.10.2018
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Abstract PROBLEM TO BE SOLVED: To provide a catalyst for exhaust gas purification that is excellent in heat resistance.SOLUTION: Provided is a catalyst for exhaust gas purification containing a carrier that contains a complex oxide formed from AlO, ZrO, LaOand optionally YO, and a noble metal supported on the carrier, and in which the contents, in mass%, of AlO, ZrO, LaOand YOwith respect to the whole complex oxides satisfy the following: 1.5≤ZrO≤13 0.8≤LaO≤4.2 0≤YO≤2.2 AlO: balance.SELECTED DRAWING: Figure 4 【課題】耐熱性に優れる排ガス浄化用触媒を提供する。【解決手段】Al2O3と、ZrO2、La2O3及び場合によりY2O3とから形成される複合酸化物を含有する担体、及び該担体に担持された貴金属を含有し、Al2O3、ZrO2、La2O3及びY2O3の含有量が、複合酸化物全体に対して、質量%で以下:1.5≦ZrO2≦130.8≦La2O3≦4.20≦Y2O3≦2.2Al2O3:残部を満たす排ガス浄化用触媒。【選択図】図4
AbstractList PROBLEM TO BE SOLVED: To provide a catalyst for exhaust gas purification that is excellent in heat resistance.SOLUTION: Provided is a catalyst for exhaust gas purification containing a carrier that contains a complex oxide formed from AlO, ZrO, LaOand optionally YO, and a noble metal supported on the carrier, and in which the contents, in mass%, of AlO, ZrO, LaOand YOwith respect to the whole complex oxides satisfy the following: 1.5≤ZrO≤13 0.8≤LaO≤4.2 0≤YO≤2.2 AlO: balance.SELECTED DRAWING: Figure 4 【課題】耐熱性に優れる排ガス浄化用触媒を提供する。【解決手段】Al2O3と、ZrO2、La2O3及び場合によりY2O3とから形成される複合酸化物を含有する担体、及び該担体に担持された貴金属を含有し、Al2O3、ZrO2、La2O3及びY2O3の含有量が、複合酸化物全体に対して、質量%で以下:1.5≦ZrO2≦130.8≦La2O3≦4.20≦Y2O3≦2.2Al2O3:残部を満たす排ガス浄化用触媒。【選択図】図4
Author IMOTO RUI
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Snippet PROBLEM TO BE SOLVED: To provide a catalyst for exhaust gas purification that is excellent in heat resistance.SOLUTION: Provided is a catalyst for exhaust gas...
SourceID epo
SourceType Open Access Repository
SubjectTerms BLASTING
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
ENGINE PLANTS IN GENERAL
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL
HEATING
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
STEAM ENGINES
THEIR RELEVANT APPARATUS
TRANSPORTING
WEAPONS
Title CATALYST FOR EXHAUST GAS PURIFICATION
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