| 摘要 |
PURPOSE:To recover a solvent at low cost without any inclusion of impurities by passing the gaseous distillate through the inside of a condenser through a tube made of fluoroplastics. CONSTITUTION:The waste solvent is charged into a waste solvent can, and placed in the main body 1 of a still. A lid body 10 is shut down, and the still is heated. The waste solvent is evaporated, and the gaseous distillate is passed through tubes 6 and 7, cooled in a condenser 5, condensed, liquefied, dropped into a recovery can 9, and recovered. A transparent tube made of fluoroplastics wherein the impurities are difficult to clog is used as the tubes 6 and 7 to detect the clogging in advance.
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