| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an apparatus for recovering volatile hydrocarbons which has a simple structure and can be installed at a construction site and the like generating contaminated water and the like, and has a high treatment capacity. <P>SOLUTION: The apparatus for recovering volatile hydrocarbons includes a treatment tank 20 for storing contaminated water Wb in which the volatile hydrocarbons have been dissolved, a bubble generator 3 for generating microbubbles B in the contaminated water Wb in the treatment tank 20, a take-out means 21, 22 for taking the volatile hydrocarbons volatilized in the microbubbles B out of the treatment tank 20 together with gas Gb forming the microbubble B, an adsorption means 24 for adsorbing the volatile hydrocarbons from the discharged gas Gb taken out by the take-out means 21, 22 to purify the gas Gb, a recovery means 25 for recovering the gas Gc purified by the adsorption means 24 into the treatment tank 20, and an aeration device 26 for converting the gas Gc recovered by the recovery means 25 into bubbles in the lower part of the treatment tank 20. <P>COPYRIGHT: (C)2010,JPO&INPIT |
