Design of Multi-Effect Batch Distillation Column

化学工业与工程

Chemcial Industry and Engineering

2018, Vol. 35

Issue (5) :56-61 DOI: 10.13353/j.issn.1004.9533.20181004

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Design of Multi-Effect Batch Distillation Column

Wang Hongwei¹, Kong Wangxin¹, Shangguan Guangjin¹, Jian Chungui², Jian Jie³, Zhang Xuemei⁴

1. Zhejiang Medicine Company Limited, Zhejiang Shaoxing 312000, China;
2. Tianjin Zhonghao Unitech Co., Ltd. Tianjin 300072, China;
3. School of Electrical and Information Tianjin University, Tianjin 300072, China;
4. School of Chemical Engineering and technology, Tianjin University, Tianjin 300072, China

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Abstract To develop a feasible design method for a multi-effect batch distillation column (MEBAD), constant holdup model was built and the coefficient of approaching equilibrium was used to examine the degree of approaching equilibrium under total reflux for MEBAD. On the basis of comprehensive consideration of the number of stages and operation time required, the criterion for the end of total reflux operation in design was proposed. Finally, the design method for the emerging column was given, which could fulfill the separation task perfectly.

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	Wang Hongwei
	Kong Wangxin
	Shangguan Guangjin
	Jian Chungui
	Jian Jie
	Zhang Xuemei

Keywords： batch distillation column； multi-effect batch distillation column(MEBAD)； total reflux operation； design； constant holdup model

Received 2018-01-15;

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Wang Hongwei, Kong Wangxin, Shangguan Guangjin, Jian Chungui, Jian Jie, Zhang Xuemei.Design of Multi-Effect Batch Distillation Column[J] Chemcial Industry and Engineering, 2018,V35(5): 56-61