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Integrated direct air CO2 capture and utilization via in-situ catalytic conversion to fuels and chemicals using dual functional materials: Recent progresses and perspectives

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Geoengineering News

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Jan 15, 2025, 1:43:22 PMJan 15
to CarbonDiox...@googlegroups.com
https://link.springer.com/article/10.1007/s11708-025-0977-5

Authors
Yiran Zhang, Jiaqi Feng, Linjia Li, Shu Zhao, Chunfei Wu, Zhen Huang & He Lin

10 January 2025

Abstract
Direct air capture (DAC) is an emerging technology aimed at mitigating global warming. However, conventional DAC technologies and the subsequent utilization processes are complex and energy-intensive. An integrated system of direct air capture and utilization (IDACU) via in-situ catalytic conversion to fuels and chemicals is a promising approach, although it remains in the early stages of development. This review examines the current technical routes of IDACU, including solid-based dual-functional materials (DFMs) through thermo-catalysis, IDACU using liquid sorbents with thermo-catalysis, and non-thermal conversion methods. It covers the basic principles, reaction conditions, main products, material types, and the existing problems and challenges associated with these technical routes. Additionally, it discusses the recent advancements in solid-based DFMs for IDACU, with particular attention to the differences in material characteristics between carbon capture from flue gases (ICCU) and DAC. While IDACU technology holds significant promise, it still faces numerous challenges, especially in the design of advanced materials.

Source: SpringerLink
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