The effect factors in urea adduction process,including circumfluence time,adduction time and temperature,ratio of urea and EtOH,ratio of FA and urea,were discussed.

• 研究了尿素包合过程中回流时间、包合时间、包合温度、尿素与溶剂配比等主要条件与纯化得到的亚油酸纯度和得率的关系。