Design and control of hybrid heat-integrated configuration for an ideal indirect reactive distillation process

被引：9
作者：
Hsiao, Tyng-Lih [1 ]
Weng, Kuo-Chun [1 ]
Lee, Hao-Yeh [1 ]
机构：
[1] Natl Taiwan Univ Sci & Technol, Dept Chem Engn, Taipei 10607, Taiwan
来源：
JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS | 2017年 / 73卷
关键词：
Reactive distillation; Heat integration; Thermally coupled; Double-effect; Hybrid configuration; Pressure-compensated; SYSTEM;
D O I：
10.1016/j.jtice.2016.08.045
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
A hybrid configuration can simultaneously improve the energy efficiency and reduce the overall energy requirement of the ideal Hp reactive distillation (RD) process reported by Weng and Lee [1]. This hybrid heat-integrated configuration can save 50.4% of the energy used in the conventional configuration; moreover, the remixing effect can be eliminated. Energy waste in the condenser of the second column is lower than that in the thermally coupled configuration, and the additional energy transfer area in the heat exchanger is smaller than that in the double-effect configuration. In this study, three control structures: thermally coupled configuration, and hybrid configuration with/without pressure-compensated temperature control structures are demonstrated to evaluate the control performance. When a pressure compensated temperature control is provided, an equation can give a satisfactory correlation between column pressure and control temperature. Compared with the control performance of the two hybrid configurations, the pressure-compensated temperature control structure is capable of maintaining specifications during +/- 20% throughput disturbances. (C) 2016 Taiwan Institute of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
引用
收藏
页码：37 / 49
页数：13
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