| 摘要 |
PCT No. PCT/JP92/01126 Sec. 371 Date May 5, 1993 Sec. 102(e) Date Sep. 17, 1993 PCT Filed Sep. 3, 1992 PCT Pub. No. WO93/04766 PCT Pub. Date Mar. 18, 1993.A powdery adsorbent is mixed with an exhaust gas containing fine particles and a noxious and malodorous gas component in gas pipelines, adhering the fine particles to the powdery adsorbent and adsorbing the noxious and malodorous gas with the powdery adsorbent. The powdery adsorbent is then fed to dust collectors where the exhaust gas is separated from the powdery adsorbent and is purified. The separated powdery adsorbent comes in contact with a hot blast at a high temperature, or else is indirectly heated in a pipeline and the adsorbed gas is thereby desorbed. Further, a part of or all of the desorbed powdery adsorbent comes in contact with a hot blast at a higher temperature than the above mentioned temperature, or is indirectly heated in a pipeline, and thereby the fine particles adhered to the powdery adsorbent are thermally decomposed. In this way, the powdery adsorbent is regenerated, and can be returned to be mixed with the exhaust gas in order to be reused.
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