| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide the method of safety and effectively separating and recovering gasoline vapor in a gasoline tank and to provide the device therefor. SOLUTION: Gasoline vapor containing gasoline is introduced from the bottom part of an adsorber 1 to adsorb gasoline from the gasoline vapor by an adsorbent with which the adsorber 1 is packed and to discharge air from the top of the adsorber 1, and also, the adsorbed gasoline by the adsorbent is recovered. In this case, as the adsorbent, silica gel subjected to hydrophobic treatment is used. When gasoline vapor is introduced into the adsorber 1, water droplets are sprayed to the vapor to keep the inside of the adsorber 1 at such suitable relative humidity that the adsorbent is not dried. While kept in this state, the temperature in the adsorber 1 during adsorption is heat-exchanged in the axial direction and also the differential potential of the adsorbent caused in the adsorber is neutralized, and the gasoline adsorbed by the adsorbent is sucked by a vacuum pump 20, and is cooled and recovered, thereby regenerating the absorbent.</p> |
