Advances in technology of reactive dividing wall column

doi:10.16085/j.issn.1000-6613.2016-2289

Abstract

Abstract: Reactive dividing wall distillation is one of the chemical process intensification technology,which has recently drawn much attention. It combines the advantages of reactive distillation and dividing wall column,which can reach the state of low energy consumption,less space occupation,investment saving,high conversion rate and good selectivity. Also it is a highly integrated and coupled technology of reaction and separation. Based on the review of the development of reaction distillation and dividing wall column,the new progresses and applications on reactive dividing wall technology in recent years were introduced from experiment and simulation,column internals and the design of control strategy. The main obstacles in the process of the industrialization and the existing problems were pointed out. Then the paper summarized that the research of the multicomponent system and the optimize design of the control structure possibly would be the development direction. Finally,the wide development prospects in the field of preparation of biodiesel,ethers and other renewable energy sources as well as oil refining and liquefied petroleum gas are indicated.

Key words: reactive dividing wall column, reactive distillation, dividing wall column, energy saving, distillation

摘要： 隔壁反应精馏技术是近年来受到广泛关注的化工过程强化技术之一，兼具隔壁塔技术能耗低、占地少、投资省与传统反应精馏技术转化率高、选择性好等优点，可实现反应与分离过程的有机耦合。本文在回顾反应精馏及隔壁塔工艺技术发展的基础上，介绍了隔壁反应精馏技术的发展概况，综述了隔壁反应精馏工艺在实验与模拟、塔内件结构和控制设计3个方面近年来的研究新进展，简要分析了该技术在工业化进程中存在的阻碍以及目前仍存在的问题，总结了隔壁反应精馏技术今后主要的研究方向是对多组分反应体系的应用扩展以及对隔壁反应精馏塔的控制结构的进一步优化，同时还展望了该技术在生物柴油、醚类等可再生能源的制备以及石油炼制和液化气深加工领域内拥有广阔的发展前景。

关键词: 隔壁反应精馏, 反应精馏, 隔壁塔, 节能, 精馏

CLC Number:

TQ028.1

LING Xiaomei, ZHENG Weiyue, WANG Xiaoda, QIU Ting. Advances in technology of reactive dividing wall column[J]. Chemical Industry and Engineering Progress, 2017, 36(08): 2776-2786.

凌笑媚, 郑伟跃, 王晓达, 邱挺. 隔壁反应精馏技术进展[J]. 化工进展, 2017, 36(08): 2776-2786.

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