摘要
利用Aspen Plus模拟软件对含盐乙腈废水采用双塔精馏流程进行分离模拟和优化。进料为100 kg/h,选择ENRTL-RK方程,模拟结果为:对于1#塔,理论塔板数为15块,进料位置为第7块,回流比2,操作压力0.140×10~5~0.148×10~5 Pa;对于2#塔,理论塔板数8块,进料位置为第5块,回流比2,操作压力0.135×10~5~0.145×10~5 Pa。利用灵敏度分析分析了回流比、进料位置、采出量对塔进行了优化,对于1#塔,进料位置第7块,回流比1.5,采出量25 kg/h;对于2#塔,进料位置第4块,回流比1.5,采出量10 kg/h。
In this thesis, Aspen Plus software was used to simulate and optimize the salt-contained acetonitrile water process. The feedstock was 100 kg/h. The ENRTL-RK properties were selected in the simulation. The results showed： to the 1# tower, at the pressure of 0.14×10~5~ 0.148×10~5 Pa, the total stage was15 at the seventh feed stage with the reflux ratio of 2, to the 2# tower, at the pressure of 0.1435 ×10~5 Pa to0.145×10~5 Pa, the total stage was 8 at the 5 th feed stage with the reflux ratio of 2. The sensitivity analysis was used to study the feed stage, reflux ratio, distillation rates in order to optimize the simulation. The results were as follows：to the 1# column, with the feed stage of 7 th and the distillation rates of 25 kg/h, the total stage was 15 in the reflux ratio 1.5; to the 2# column, with the feed stage of 4 th and the distillation rates of10 kg/h, the total stage was 8 in the reflux ratio 1.5.
出处
《浙江化工》
CAS
2017年第10期31-35,共5页
Zhejiang Chemical Industry
关键词
模拟与优化
乙腈废水
回流比
进料位置
采出量
simulation and optimization
acetonitrile wastewater
reflux ratio feed stage
distillation rates
