| 摘要 |
<p>A method for separating and recovering propargyl alcohol, characterized in that a product mixture containing propargyl alcohol which is obtained by reacting paraformaldehyde with acetylene in the presence of a catalyst in a polar solvent is subjected to a distillation under a pressure of 100 to 150 mmHg. The method is free from the problems associated with conventional techniques and allows the separation and recovery of propargyl alcohol with a simple operation and with the advantage from the view point of heat and energy, without the use of a large distillation apparatus or a complicated process or separation operation, in the separation and recovery of propargyl alcohol from a production mixture containing a solvent, water and propargyl alcohol.</p> |
