Studying the removal of CO2 on stratified ZnO prepared by hydro

Pham Quang Minh; Chang-Ha Lee; Vu Anh Tuan

doi:10.51316/jca.2021.071

Authors

Pham Quang Minh Physical and chemical Department, National Institute for Control of Vaccine and Biologicals, Vietnam
Chang-Ha Lee Chemical and Engineering, Yonsei University, South Korea
Vu Anh Tuan School of Chemical Engineering, Hanoi University of Science and Technology, Vietnam

DOI:

https://doi.org/10.51316/jca.2021.071

Keywords:

ZnO, Hydrothermal, CO2, Adsorption, Climate change

Abstract

In this study, ZnO was synthesized by the simple hydrothermal method. The physicochemical properties of the materials were characterized by SEM, XRD, N adsorption/desorption isotherm methods. The CO₂ removal experiments were conducted using the thermogravimetric method (TGA). The material has a stratified structure, with a surface area of 24.4 m²/g and a pore volume of 0.280 cm³/g. The influences of temperature, ZnO morphology, and feed gas composition were studied. Besides, the durability and applicability of the material were evaluated through repeated regeneration.

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