| 摘要 |
A solvent recovery apparatus (10) includes a single PSA vessel (12) having an adsorbent suitable for adsorbing said solvent and a vacuum system incorporating a vent gas buffer (32) and a vacuum buffer (34). In operation, vent gas (A) is directed to buffer (32) during vacuum regeneration of vessel (12) which is assisted by the vacuum container in vacuum vessel (34).
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