Technologies for sulfonation including using sulfur trioxide as sulfonating agent and baking process and the sulfonation equipment such as tubular sulfonator as well are briefed.

简要介绍了三氧硫磺和烘焙磺工艺磺反,例说明了气体三氧硫连续生产十二烷基苯磺酸和烘焙磺法生产对氨基苯磺酸钠的工艺过程。