A new viewpoint on deterioration mechanism of sulfolane was proposed after analyzing the used sulfolane in aromatics extraction and the fouling deposits on equipment.

• 通过剖析芳烃抽提装置运行后的溶剂环丁砜和装置沉积物,研究了环丁砜劣化的化学过程,对环丁砜的劣化机理提出了新的认识。