In order to get better products,the evaporation crystallization process of ammonium sulfate solution obtained by caprolactam synthesis neutralized liquid was studied and optimized systematically .

• 针对硫酸铵产品所存在的这些问题，对己内酰胺生产过程中，氨水中和得到的硫酸铵溶液的蒸发结晶工艺过程，进行系统的研究和优化。