摘要
以工业芴为原料、甲苯为溶剂,研究了溶剂结晶法制取精芴的工艺过程和最佳操作条件,精芴的纯度可达99％以上,收率达90％。
Abstract: The process and optimum operating conditions for making refined fluorene with a solvent crystallizing method are studied, with industrial fluorene as raw material and toluene as solvent. The purity of refined fluorene can reach over 99% and recovery rate can be up to 90%.
出处
《燃料与化工》
1998年第4期213-215,共3页
Fuel & Chemical Processes
关键词
芴
精制
溶剂结晶法
Subject words: Industrial fluorene-Refining technique Solvent crystallizing process - Development
