Advances in state-of-art valorization technologies for captured CO2toward sustainable carbon cycle
Abstract
Valorization of captured CO2 is an important but challenging topic since CO2 is a stable and relatively inert compound. Nonetheless, CO2 valorization technologies should be sought after, because they can offer an opportunity for the sustainable carbon cycle towards a circular economy by creating value-added products and generate revenues from CO2. This paper provides an overview of state-of-the-art valorization technologies for captured CO2, including (1) supercritical CO2 as a reactive solvent, (2) mineralization of CO2 as inorganic carbonates, (3) catalytic reduction of CO2 into organic fuel for transport, (4) transformation of CO2 to value-added chemicals, and (5) biological CO2 utilization. The principles and application, in terms of CO2 conversion performance and environmental benefits of each technology, are reviewed in detail. In addition, the perspectives and prospects of CO2 valorization technologies as a portfolio solution are provided to achieve the effective CO2 reduction while minimizing social and economic costs in the near future.
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Carbonation of diamond mine tailings by contact with atmospheric CO2 has been demonstrated by the De Beers Group of Companies, which aims to make some of its mines carbon neutral within the next few years.
“Additionally, carbonation of diamond mine tailings by contact with atmospheric CO 2 has been demonstrated by the De Beers Group of Companies, which aims to make some of its mines carbon neutral within the next few years.11,12”
From Utilization of mineral carbonation products: current state and potential (2019) · cites this paper as [12]
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Utilization of mineral carbonation products: current state and potential
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- Authors
- Pan, S.-Y., Chiang, P.-C., Pan, W., & Kim, H.
- Affiliations
- National Taiwan University (TW)
- South China University of Technology (CN)
- University of Seoul (KR)
- Corresponding author
- Kim, Hyunook
- Venue
- Critical Reviews in Environmental Science and Technology
- Publisher
- Informa UK Limited
- Published
- 2018-03-04
- Volume
- 48
- Issue
- 5
- Pages
- 471-534
- ISSN
- 1064-3389 (ISSN-L)
- 1547-6537
- OpenAlex
- W2806132620
- Cited by
- 114
- References
- 19
- Citations by year
- 2026: 11 · 2025: 13 · 2024: 12 · 2023: 9 · 2022: 17 · 2021: 10 · 2020: 14 · 2019: 24 · 2018: 4
- FWCI
- 8.31
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Critical Reviews in Environmental Science and Technology (publishedVersion)
- Funders
- Korea Institute of Energy Technology Evaluation and Planning (20153010091980)
- Ministry of Science and Technology, Taiwan (TW) (MOST 106-3113-E-007-002)
- Topics
- Physical Sciences › Engineering › Mechanical Engineering › Carbon Dioxide Capture Technologies
- Physical Sciences › Chemical Engineering › Process Chemistry and Technology › Carbon dioxide utilization in catalysis
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › CO2 Reduction Techniques and Catalysts
- Keywords
- CO2 utilization, CO2 capture, supercritical carbon dioxide, CO2 mineralization, inorganic carbonates, synthetic fuels, value-added chemicals, circular economy, CO2 conversion
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