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This chapter provides an overview of Carbon Capture and Utilization (CCU) concepts and experiences, subsequently detailing their technological routes, accompanied by examples and levels of maturity. The differentiation between CCU, CCS (Carbon Capture and Storage), and CCUS (Carbon Capture, Utilization, and Storage) is essential for comprehending each process's different roles in carbon emissions management. CCU distinguishes itself by converting CO2 into valuable products, establishing a circular carbon economy. Two principal technological routes, physical and chemical, present applications ranging from fuel and chemical production to manufacturing construction materials. The maturity of CCU technologies exhibits significant variability from a technical readiness standpoint, from initial research and development (TRL 1–3) to demonstration and deployment (TRL 7–9). The capability of CCU technologies to transform CO2 into products offers a chance to reduce carbon footprints, stimulate economic growth, and promote sustainable development. Continuous research, technological innovation, and policy support are crucial to fully realize CCU benefits and integration into comprehensive climate action strategies. Enhancing the technological readiness of diverse CCU pathways would facilitate a more sustainable and resilient future.

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CCU-Based Products and Their Technological Routes

  • 章节

  • 发表日期：

    2025年

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  • Alexandre de Barros Gallo,
  • Alberto J. Fossa,
  • Cylon Liaw,
  • Edmilson Moutinho dos Santos

摘要

This chapter provides an overview of Carbon Capture and Utilization (CCU) concepts and experiences, subsequently detailing their technological routes, accompanied by examples and levels of maturity. The differentiation between CCU, CCS (Carbon Capture and Storage), and CCUS (Carbon Capture, Utilization, and Storage) is essential for comprehending each process's different roles in carbon emissions management. CCU distinguishes itself by converting CO2 into valuable products, establishing a circular carbon economy. Two principal technological routes, physical and chemical, present applications ranging from fuel and chemical production to manufacturing construction materials. The maturity of CCU technologies exhibits significant variability from a technical readiness standpoint, from initial research and development (TRL 1–3) to demonstration and deployment (TRL 7–9). The capability of CCU technologies to transform CO2 into products offers a chance to reduce carbon footprints, stimulate economic growth, and promote sustainable development. Continuous research, technological innovation, and policy support are crucial to fully realize CCU benefits and integration into comprehensive climate action strategies. Enhancing the technological readiness of diverse CCU pathways would facilitate a more sustainable and resilient future.