Importance

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Abstract

It is possible to provide a device and a method for combusting particulate substances which particulate matters discharged from an internal combustion engine can be effectively combusted, and the device configuration is simple and does not become large and heavy. The combustion device has: an introduction portion 8 used to introduce a particulate matter-containing gas 5 discharged from the exhaust port of an internal combustion engine; a charging unit 11 which is provided on the downstream side of the introduction portion 8, and in which all or part of the particulate matters 6′ are e negatively charged by bringing the particulate matter-containing gas into contact with; an electric discharge unit 15 which is provided in an insulation pipe 100 which is connected to the downstream side of the charging unit 11, and in which the particulate matters 6′, all or part of which are negatively charged, are introduced into a silent discharge area A1 and are combusted with an increased retention time, the silent discharge area being generated between an anode and a cathode; a discharge portion 9 which is connected to the insulation pipe 100 at the downstream side of the electric discharge unit and which discharges the combusted gas; and a power source unit which applies an electric field to the charging unit and the electric discharge unit.

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First Claim