CATALYST FOR EXHAUST GAS PURIFICATION

Provided is an exhaust gas-purifying catalyst whose emission of H 2 S being suppressed while having a satisfactory exhaust gas purification performance even without large amount of Ni. The exhaust gas-purifying catalyst (1) includes a substrate provided with one or more through-holes through which e...

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Hauptverfasser: KANAZAWA, TAKAAKI, ITOU MINORU, TAKEUCHI, MICHIHIKO, KATOH, SATORU, KAMADA, MASAYA, TAKAHASHI, NAOKI, SUZUKI, TADASHI
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creator KANAZAWA, TAKAAKI
ITOU MINORU
TAKEUCHI, MICHIHIKO
KATOH, SATORU
KAMADA, MASAYA
TAKAHASHI, NAOKI
SUZUKI, TADASHI
description Provided is an exhaust gas-purifying catalyst whose emission of H 2 S being suppressed while having a satisfactory exhaust gas purification performance even without large amount of Ni. The exhaust gas-purifying catalyst (1) includes a substrate provided with one or more through-holes through which exhaust gas flows, and a catalyst layer which is supported by the substrate and contains precious metals and an oxygen storage material. The exhaust gas-purifying catalyst contains a first part (100) to which the exhaust gas is supplied, and a second part (200) to which the exhaust gas having passed through the first part (100) is supplied and is smaller in the content of the oxygen storage material per unit volume than that of the first part (100).
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subjects 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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