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Opportunities and challenges in CO2 utilization.
Sriram Valluri1, Victor Claremboux1, Surendra Kawatra1
1Department of Chemical Engineering, Michigan Technological University, Houghton, MI 49931, USA.
Journal of Environmental Sciences (China)
|December 29, 2021
Summary
Carbon dioxide (CO2) utilization technologies are key to mitigating climate change. This review analyzes major CO2 utilization pathways, including industrial filtration and material processing, to treat CO2 as a valuable commodity.
Area of Science:
- Environmental Science
- Chemical Engineering
- Materials Science
Background:
- Carbon dioxide (CO2) is a major greenhouse gas contributing to global warming.
- Effective CO2 utilization is crucial for environmental management and sustainable energy.
- Current CO2 utilization technologies require critical analysis for economic viability and scalability.
Purpose of the Study:
- To critically analyze existing CO2 utilization technologies.
- To identify and highlight the most promising CO2 utilization pathways.
- To explore underreported applications of CO2, such as in industrial filtration and raw material processing.
Main Methods:
- Comprehensive literature review of CO2 utilization technologies.
- Comparative analysis of different CO2 utilization pathways.
- Assessment of applicability, potential, and limitations of each pathway.
Main Results:
- Identified key CO2 utilization avenues including chemical conversion, mineralization, and enhanced natural processes.
- Evaluated the economic feasibility and environmental impact of various CO2 utilization methods.
- Highlighted novel applications in industrial filtration and processing of iron and alumina.
Conclusions:
- Treating CO2 as a valuable commodity, rather than a waste product, is essential for effective climate change mitigation.
- Further research and development are needed to optimize energy efficiency and economic soundness of CO2 utilization.
- Expanding CO2 utilization to industrial processes offers significant potential for greenhouse gas reduction.
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