| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a distillation method, wherein an increase in manufacturing cost is suppressed and the energy efficiency is good. <P>SOLUTION: The distillation method is used for heating and vaporizing a solution containing a predetermined component with a boiling point in the range of 0-50°C to form gas of the component, wherein the solution is heated using a closed cycle type heat pump, and cooling and condensing of the gas of the component or mixed gas containing it are simultaneously performed at a condensation temperature of -10 to 40°C. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
