Abstract
The rising negative effects of climate change are caused mainly by the increase of atmospheric carbon dioxide concentrations, calling for advanced technologies to extract carbon dioxide from atmospheric air. Here we review carbon dioxide capture from atmospheric air by amine-functionalized silica composites with emphasis on development principles, mechanisms, absorbent criteria, performance determination, and preparation techniques. Amine-silica absorbent preparation for carbon dioxide capture is done by impregnation, chemical graphting, hybrid functionalization, and in situ polymerization. High costs, poor performance, and scalability are actually posing challenges for large-scale deployment.
| Original language | English |
|---|---|
| Pages (from-to) | 1791-1830 |
| Number of pages | 40 |
| Journal | Environmental Chemistry Letters |
| Volume | 22 |
| Issue number | 4 |
| DOIs | |
| Publication status | Published - Aug 2024 |
| Externally published | Yes |
Bibliographical note
Publisher Copyright:© The Author(s), under exclusive licence to Springer Nature Switzerland AG 2024.
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 13 Climate Action
Keywords
- Amine–silica composite
- Carbon capture
- Climate change
- Direct air capture
- Negative emissions
- Net-zero carbon
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