青岛科技大学  English 
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硕士生导师  

教师拼音名称:zhangfangkun

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入职时间:2019-09-02

学历:博士研究生

性别:男

联系方式:18554911864

学位:工学博士

毕业院校:大连理工大学

学科:

化学工程

控制理论与控制工程

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Exploration of a heat-integrated pressure-swing distillation process with a varied-diameter column for binary azeotrope separation

关键字:Distillation columns;Azeotropes - Chlorine compounds - Distillation - Economics - Heptane - Integration - Methanol

摘要:The pressure-swing distillation (PSD) processes with varied-diameter columns (VDCs) for separating methanol&ndash;chloroform and n-heptane&ndash;isobutanol are studied. Furthermore, two heat-integrated PSD processes, partial integration and full heat integration, are discussed with ordinary and VDCs. The results show that whether it is heat integrated or non-heat integrated, the processes using VDC have an advantage in the economy. Based on the minimum total annual cost (TAC), the dynamic controllability without and with full heat integration for an azeotrope system methanol/chloroform is explored. The dynamic controllability without and with partial heat integration for the azeotrope system n-heptane/isobutanol is discussed. The results indicated that compared with the dynamic responses without heat integration process, the heat-integrated PSD with a VDC did not increase the control difficulty while maintaining its economy. More azeotropic systems should be studied to investigate their economics and control effects, which will benefit PSD design and industrial application.<br/> &copy; 2019, &copy; 2019 Taylor & Francis Group, LLC.

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