| 摘要 |
PCT No. PCT/SE92/00264 Sec. 371 Date Sep. 27, 1993 Sec. 102(e) Date Sep. 27, 1993 PCT Filed Apr. 23, 1992 PCT Pub. No. WO92/19374 PCT Pub. Date Nov. 12, 1992.A process and an apparatus for desorption, e.g. desorbing a solvent, from a bedding (4) of adsorbent material (14), e.g. activated carbon, by means of a hot gas flow, e.g. air, so that a wave of concentration induces, which goes through the bedding by means of the hot gas flow. The invention is characterized in that the concentration wave is controlled to reach the gas flow outlet of the bedding surface successively. |
