| 摘要 |
PURPOSE: To provide a method to mix a gas into at least one kind of liquid so as to obtain a nonchlorinated or little chlorinated solvent from a gaseous hydrofluoroalkane. CONSTITUTION: The gas is cooled from the normal conditions of temp. and pressure to the conditions of temp. and pressure to liquefy the gas. The obtd. liquefied gas is mixed with a liquid, and the mixture is brought back to the normal temp. condition.
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