Method and apparatus for gas treatment using non-equilibrium plasma

A gas treatment and plasma technology, applied in the direction of plasma, gas treatment, separation methods, etc., can solve the problems of high cost, low energy efficiency, low efficiency of intermediate products and decomposition treatment, etc., and achieve the effect of reducing cost
CN1654111AInactive Publication Date: 2005-08-17YAMAHA CORP +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
YAMAHA CORP
Publication Date
2005-08-17
Estimated Expiration
Not applicable · inactive patent

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Abstract

A gas treatment method is actualized by arranging a plurality of photocatalyst members each including photocatalyst, solid substance, and catalyst in a region of non-equilibrium plasma, which is produced using a surface discharge electrode and into which a treated gas such as an exhaust gas and a harmful gas including harmful chemical substances is introduced and is then subjected to decomposition. The surface discharge electrode comprises a ground electrode, an insulator encompassing the ground electrode, and a plurality of surface electrodes that are arranged relative to the ground electrode via the insulator, by which the non-equilibrium plasma is produced upon electrification. A gas treatment apparatus is constituted by arranging a plurality of surface discharge electrodes, each having a plurality of through holes penetrating in a thickness direction, between which a plurality of photocatalyst members are arranged.
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Description

technical field

[0001] The present invention relates to a gas treatment method and apparatus using non-equilibrium plasma generated by surface discharge electrodes.

[0002] This application claims priority from Japanese Patent Application No. 2003-364898, the contents of which are hereby incorporated by reference. Background technique

[0003] Exhaust gases from general waste and industrial waste incinerators include, for example, NO X , SO X and dioxin harmful chemicals. In order to avoid environmental pollution and undesired effects on the human body, it is required to decompose the harmful gas containing harmful chemical substances into a harmless gas before being discharged into the atmosphere.

[0004] Generally, various gas treatment methods have been developed as a method for decomposing and treating harmful gases, and among them, a specific gas treatment method using electric discharge has been developed and put into practical use. The advantage of this gas trea...

Claims

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