中国化学工程学报（英文版）
中國化學工程學報（英文版）
중국화학공정학보（영문판）
CHINESE JOURNAL OF CHEMICAL ENGINEERING
2006年
3期
337-342
,共6页
张雪梅%何杰%张卫江%张志刚%简春贵%杨志才
張雪梅%何傑%張衛江%張誌剛%簡春貴%楊誌纔
장설매%하걸%장위강%장지강%간춘귀%양지재
batch distillation%slop cut%mode of operation%column holdup
The new mode of operation for slop cut withdrawal in batch distillation, i.e., draining column liquid holdup at the end of slop cut period, was proposed. And the stopping criterion for the operation was investigated. Experiments were carried out with isopropanol-n-propanol binary system and isopropanol-n-propanol-n-butanol ternary system in a distillation column with a liquid collector installed between the reboiler and the column section. Experimental results in a φ 45mm batch column show that the proposed policy can overcome the flywheel effect caused by column liquid holdup and thus cut down operation time and energy consumption 31%-61%.
