PROBLEM TO BE SOLVED: To provide the reducing apparatus of a harmful exhaust gas, whose size is made small and which can directly heat a catalyst.;SOLUTION: This inventions refer to the reducing apparatus of a harmful exhaust gas, whose size is made small and which can directly heat a catalyst, and the reducing system of a harmful exhaust gas including the same. In the reducing apparatus of the harmful exhaust gas therefor, as an apparatus where a gas including a harmful exhaust gas is fed, and the harmful exhaust gas is removed, a gas including a harmful exhaust gas is transferred to one direction through an inflow port arranged at one part of housing, the gas transferred in the one direction is reacted with a catalyst reacted with a harmful exhaust gas, thereafter, the gas reacted with the catalyst is transferred in a direction opposite to the above one direction and is discharged to the outside through an exhaust hole arranged at one part of the housing. While making the size of the whole of the harmful exhaust gas removing apparatus compact, a harmful exhaust gas included in the gas can be efficiently removed.;COPYRIGHT: (C)2011,JPO&INPIT
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