Control of reactive dividing wall column for selective hydrogenation and separation of C3 stream

›› 2016, Vol. 24 ›› Issue (9): 1213-1228.

• Process Systems Engineering and Process Safety • 上一篇下一篇

Control of reactive dividing wall column for selective hydrogenation and separation of C3 stream

Xing Qian, Shengkun Jia, Yiqing Luo, Xigang Yuan, Kuo-Tsong Yu

School of Chemical Engineering and Technology, Chemical Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering(Tianjin), State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 300072, China

收稿日期:2015-06-28 修回日期:2015-11-26 出版日期:2016-09-28 发布日期:2016-11-11
通讯作者: Xigang Yuan,E-mail address:yuanxg@tju.edu.cn
基金资助:
Supported by the National Basic Research Program of China (2012CB720500), the National Supporting Research Program of China (2013BAA03B01), the National Natural Science Foundation of China (21176178) and China Scholarship Council (CSC[2015]3022).

Control of reactive dividing wall column for selective hydrogenation and separation of C3 stream

Xing Qian, Shengkun Jia, Yiqing Luo, Xigang Yuan, Kuo-Tsong Yu

School of Chemical Engineering and Technology, Chemical Engineering Research Center, Collaborative Innovation Center of Chemical Science and Engineering(Tianjin), State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 300072, China

Received:2015-06-28 Revised:2015-11-26 Online:2016-09-28 Published:2016-11-11
Supported by:
Supported by the National Basic Research Program of China (2012CB720500), the National Supporting Research Program of China (2013BAA03B01), the National Natural Science Foundation of China (21176178) and China Scholarship Council (CSC[2015]3022).

摘要/Abstract

摘要： In our previous work, the reactive dividing wall column (RDWC) was proposed and proved to be effective for selective hydrogenation and separation of C3 stream. In the present paper, the dynamics and control of the proposed RDWC are investigated. Four control structures including composition and temperature controls are proposed. The feed forward controllers are employed in the four control strategies to shorten the dynamic response time, reduce the maximum deviations and offer an immediate adjustment. The control structures are compared by applying them into the RDWC system with 20% disturbances in both the feed flow rate and the feed compositions, and the results are discussed.

关键词: Process control, C3 stream selective hydrogenation, Reactive dividing wall column

Abstract: In our previous work, the reactive dividing wall column (RDWC) was proposed and proved to be effective for selective hydrogenation and separation of C3 stream. In the present paper, the dynamics and control of the proposed RDWC are investigated. Four control structures including composition and temperature controls are proposed. The feed forward controllers are employed in the four control strategies to shorten the dynamic response time, reduce the maximum deviations and offer an immediate adjustment. The control structures are compared by applying them into the RDWC system with 20% disturbances in both the feed flow rate and the feed compositions, and the results are discussed.

Key words: Process control, C3 stream selective hydrogenation, Reactive dividing wall column

中图分类号:

10.1016/j.cjche.2016.04.045

Xing Qian, Shengkun Jia, Yiqing Luo, Xigang Yuan, Kuo-Tsong Yu. Control of reactive dividing wall column for selective hydrogenation and separation of C3 stream[J]. , 2016, 24(9): 1213-1228.

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Control of reactive dividing wall column for selective hydrogenation and separation of C3 stream

Control of reactive dividing wall column for selective hydrogenation and separation of C3 stream

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