Synthesis methods of thionyl chloride such as HSO 3Cl method, SO 2 method, SO 3 method, co production method and enterprises adopting above methods are evaluated.

• 评述了氯磺酸法、三氧化硫法、二氧化硫法、联产法等氯化亚砜合成方法及其采用这些合成方法的生产企业情况;