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How ceramic filter carriers work

人气: Article Source: admin Popularity: Issuing time: 2017-10-25 16:10




Working principle of DOC carrier

Oxidation catalyst DOC is based on cordierite honeycomb ceramic, coated with an oxidation catalyst, which can convert CO, HC and soot particles into harmless CO 2 and H 2 O. Therefore, it is an ideal carrier for catalytic purification of automobile exhaust gas. It has been widely and effectively used.
Performance characteristics: It has good thermal shock resistance, good adsorption performance, low thermal expansion coefficient and certain mechanical strength, and has good matching with various catalyst active components.

DPF carrier working principle

The filter body of the cordierite wall-flow porous honeycomb ceramic particle trap has a multi-channel honeycomb shape as a whole, and then these parallel channels are blocked in phases. The exhaust of the diesel engine enters the filter body from the inlet, then flows into the outlet channel through the wall flow surface of the inlet channel, and then exits from the outlet channel. The channel wall is a honeycomb ceramic porous media material. When the exhaust gas of the diesel engine passes through the channel wall, the particles are trapped in the wall or on the wall surface. Particles.
This product can also be widely used in the environmental protection of exhaust gas in the industrial fields such as shipbuilding, metallurgy, aerospace and chemical industry.

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