本文介绍了工业化合成噻吩的工艺路线及其优缺点,详细叙述了国内丁二烯-硫磺合成噻吩的工艺技术特点和在国际上的地位,阐述了国内外噻吩技术在工艺、能耗和环保等方面的发展方向。 This paper introduces the technological route of industrialized synthesis of thiophene and its advantages and disadvantages. The technical characteristics and international status of the domestic butadiene-sulfur synthesis of thiophene are described in detail. The domestic and international research on thiophene technology in process, energy consumption and environmental protection The direction of development.