| 简介 |
PURPOSE : A catalytic composition containing Ga components for purifying exhaust gas of a combustion engine is provided to add Ga components to precious metal components including palladium for improving denitrification of exhaust gas and oxidation of HC and CO.
CONSTITUTION : In a catalytic composition containing Ga components for purifying exhaust gas of a combustion engine, precious metal components including palladium and metal components including Ga are immersed into a supporting scaffold for improving the discharge of NOx. The catalytic composition contains oxygen storing components selected from a group consisting of alkaline earth metal components, alkaline metal components, and rare earth metal components.
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