CAJ | 학술논문

对乙二醇萃取精馏分离乙醇-四氢呋喃共沸体系的工艺基于年度总费用最小进行了优化设计。采用设计规定与序贯迭代优化程序考察了双塔萃取精馏工艺与三塔萃取精馏工艺的经济性。结果表明，最优方案与原料组成有关，当四氢呋喃摩尔分数小于37％时，采用三塔萃取精馏工艺最优；当四氢呋喃摩尔分数大于37％时，采用双塔萃取精馏工艺最优。
대을이순췌취정류분리을순-사경부남공비체계적공예기우년도총비용최소진행료우화설계。채용설계규정여서관질대우화정서고찰료쌍탑췌취정류공예여삼탑췌취정류공예적경제성。결과표명，최우방안여원료조성유관，당사경부남마이분수소우37％시，채용삼탑췌취정류공예최우；당사경부남마이분수대우37％시，채용쌍탑췌취정류공예최우。
Optimized design was conducted for separation of ethanol-tetrahydrofuran azeotropic system using ethylene glycol as extracting agent based on the minimized total annual cost(TAC).Design specification and procedure of sequential iterative optimization were used to investigate the economical efficiency of extractive dis-tillation process with two towers or three towers.Results showed that the optimal scheme was related to the composition of raw materials.Extractive distillation process of three towers was the optimal case when the mo-lar fraction of tetrahydrofuran was lower than 37%.Extractive distillation process of two towers should be a-dopted for molar fraction of tetrahydrofuran above 37%.