| abstract |
(57) [Problem] To provide an apparatus for efficiently removing PM, NO x , CO 2, and the like discharged from various apparatuses using diesel fuel. A plate-like member having at least one hole through which a gas flow toward an outlet passes; An essential oil-containing aqueous solution storage tank provided below the flow path of the gas flow passing through the two holes and storing the essential oil-containing aqueous solution; and the vapor generated from the essential oil-containing aqueous solution and the harmful component in the gas stream contact A first harmful component collector that collects the formed adsorbent; a mist separator that separates and removes harmful components from a gas flow that has passed through the first harmful component collector; a plate-like member, wherein the essential oil-containing aqueous solution reservoir, wherein the first harmful components collecting material, and a container for storing and said mist separator, the harmful component removing device in the gas, PM, NO x, CO 2 etc. can be removed efficiently. |