The paper formulizes the mechanism and technological process of treating DDNP wastewater and of realizing water closed cycle by underpressure distillation method.

• 简要概述了化工厂DDNP废水来源及水质,详细阐述了减压蒸馏法处理DDNP废水实现水闭路循环的机理、工艺流程。