| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a method for separating and purifying pyrrolidine, from a mixture comprising pyrrolidine, N-ethylpyrrolidine and water. SOLUTION: This method for purifying the pyrrolidine is characterized by distilling a mixture comprising the pyrrolidine, the N-ethylpyrrolidine and the water to separate the pyrrolidine, while adding water to the mixture.</p> |
