| Issue |
E3S Web of Conf.
Volume 406, 2023
2023 9th International Conference on Energy Materials and Environment Engineering (ICEMEE 2023)
|
|
|---|---|---|
| Article Number | 02042 | |
| Number of page(s) | 7 | |
| Section | Energy Conservation Technology and Energy Sustainability | |
| DOI | https://doi.org/10.1051/e3sconf/202340602042 | |
| Published online | 31 July 2023 | |
Study on the Roles of Water in Solid Amine-Based Direct Air Capture of CO2
State Grid Zhejiang Electric Power Research Institute, 310014 Hangzhou, China
* Corresponding author: clhouzju@163.com
Climate change triggered by the increasing amount of CO2 released into the atmosphere has become a global priority. Direct Air Capture (DAC) of CO2 has been regarded as one of the disruptive technologies to realize negative emission. Among the multiple strategies employed, adsorption on solid amines is a promising choice owing to its low energy requirements. Since the water vapor ubiquitously exists in ambient air, understanding the role it plays in DAC by the amine-functionalized solid sorbents is of vital importance. Due to the diversity in amine and support features, both promotion and deterioration of water impact on CO2 adsorption were revealed. Herein we present a multifaceted review of the trends and innovations in DAC by solid amines under humid conditions. The effect of water was discussed over four groups of materials, based on the support categories, i.e., (a) mesoporous silica, (b) mesoporous alumina, (c) mesoporous carbon and other inorganic supports, and (d) cellulose and other organic supports.
© The Authors, published by EDP Sciences, 2023
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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