Effects of temperature,mass ratio of toluene to n-hexane especially additive on extractive capability of sulfolane before and after partial degradation were investigated.

• 采用气相色谱法测定环丁砜对甲苯的抽提能力,通过改变温度、甲苯与正己烷的质量比等实验条件,研究了添加剂对环丁砜劣化前后甲苯抽提能力的影响。