| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an apparatus for recovering and treating organic compounds in gas, so that the gas to be treated may not be discharged into the atmosphere while it is in an untreated state, and the waste water may not be discharged into a sewer while it is in a state containing organic compounds. SOLUTION: There is provided an apparatus for recovering and treating organic compounds in gas, provided with a gas feed pipe 6 provided on the bottom of an adsorption tower 1 and having a suction blower 4 and a changeover valve 5 in order from the upstream side, an organic compound recovery pipe 9 provided on the bottom of the tower 1 and having a changeover valve 7 and a condenser 8 in order from the upstream side, an organic compound recovery tank 15 provided on the pipe 9, a waste gas discharge pipe 11 for a cleaned gas provided on the top of the tower 1, and desorbent introduction pipe 14, wherein a second adsorption tower 22 is provided between the delivery side of the blower 4 and the feed side of the condenser 8; a gas extraction steam pipe 25 is provided between the gas reservoir and the delivery side of the blower 4; a liquid discharge passage 27 extends to an aeration tank 28; and flow passages 31 and 32 for returning the aeration gas to be introduced into the tank 28 from the discharge side of the blower 4 and for returning the aerated gas into the entrance side of the blower 4 are provided.</p> |
