细颗粒物凝并技术机理的研究进展

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吴湾^1,2，王雪^1*，朱廷钰¹

1. 中国科学院过程工程研究所，湿法冶金清洁生产技术国家工程实验室，北京市过程污染控制工程技术研究中心，北京 1001902. 中国科学院大学化工学院，北京 100049

收稿日期:2019-01-02修回日期:2019-04-10出版日期:2019-12-22发布日期:2019-12-22
通讯作者:王雪

基金资助:复杂气氛下PM1.0交变电凝并机理研究

Mechanism research status of agglomeration technology for fine particles removal

Wan WU^1,2, Xue WANG^1*, Tingyu ZHU¹

1. Beijing Engineering Research Center of Process Pollution Control, Division of Environment Technology and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China 2. School of Chemical Engineering, University of Chinese Academy of Sciences, Beijing 100049, China

Received:2019-01-02Revised:2019-04-10Online:2019-12-22Published:2019-12-22
Contact:WANG Xue

摘要/Abstract

摘要： 凝并技术是提高烟气中细颗粒物(PM2.5)去除效率的关键技术之一。凝并机理的研究有利于加深对细颗粒物凝并过程的理解，最大限度地提高PM2.5的凝聚速度，使PM2.5在较短的时间内团聚成大颗粒。本工作对电凝并、化学凝并和声凝并3种凝并效果显著的凝并技术机理进行概述，分别介绍了电凝并机理的核心电凝并系数方程，不同化学添加剂对颗粒的作用机制，同向运动、流体力学和声致湍流作用下的声凝并机理的发展现状。阐述了现有研究的不足，并提出在后续凝并机理的研究中，可利用高速显微摄像技术实时观测颗粒的凝并过程，对已有凝并机理进行验证及修正。同时还需考虑实际烟气成分对颗粒凝并的影响，进一步完善颗粒的凝并机理。

引用本文

吴湾王雪朱廷钰. 细颗粒物凝并技术机理的研究进展[J]. 过程工程学报, 2019, 19(6): 1057-1065.
Wan WU Xue WANG Tingyu ZHU. Mechanism research status of agglomeration technology for fine particles removal[J]. Chin. J. Process Eng., 2019, 19(6): 1057-1065.

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