Simulation of gas-solid adsorption process considering particle-size distribution

被引：3

作者：

Li, Jihui ^{[1
]}

Zhang, Bingjian ^{[1
]}

Shu, Yidan ^{[1
]}

机构：

[1] Sun Yat Sen Univ, Sch Mat Sci & Engn, Guangzhou 510006, Peoples R China

来源：

CHINESE JOURNAL OF CHEMICAL ENGINEERING | 2023年 / 54卷

基金：

中国国家自然科学基金;

关键词：

Adsorption; Population balance equations; Particle-size distribution; MORPHOLOGICAL POPULATION BALANCE; POSTCOMBUSTION CO2 CAPTURE; FIXED-BED ADSORPTION; CARBON-DIOXIDE; ZEOLITE; 4A; FORMALDEHYDE; MODEL; MULTICOMPONENT; ADSORBENTS; DIFFUSION;

D O I：

10.1016/j.cjche.2022.02.021

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The particle-size distribution of adsorbents usually plays an important role on the adsorption perfor-mance. In this study, population balance equation (PBE) is utilized in the simulation of an adsorption pro-cess to model the time-dependent adsorption amount distribution on adsorbent particles of a certain size distribution. Different adsorption kinetics model can be used to build the adsorption rate function in PBE according to specific adsorption processes. Two adsorption processes, including formaldehyde on acti-vated carbon and CO2/N2/CH4 mixture on 4A zeolite are simulated as case studies, and the effect of particle-size distribution of adsorbent is analyzed. The simulation results proved that the influence of particle-size distribution is significant. The proposed model can help consider the influence of particle-size distribution of adsorbents on adsorption processes to improve the prediction accuracy of the perfor-mance of adsorbents.(c) 2022 The Chemical Industry and Engineering Society of China, and Chemical Industry Press Co., Ltd. All rights reserved.

引用

页码：331 / 342

页数：12

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