Abstract: The methods for separating catalyzer from hydride in the production of Polyol is compared.The process, structure and advantage of magnetic extractor are described.

• 摘要：本文对糖醇生产氢化液中所含的催化剂的分离方法进行了比较，同时详细叙述了磁性分离机的工作原理、主要结构和其应用于糖醇生产的优点。