The experiments showed that there also existed a parallel reaction between CCA and SO3 as well as an intercrossing reaction between caprolactam and nitrosyl sulfuric acid, except for the nitrosation of CCA.

• 实验证实了该过程伴有环己烷羧酸与三氧化硫作用的平行副反应以及己内酰胺与亚硝基硫酸作用的串联副反应，由此提出了亚硝化过程的反应动力学模型。