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Innovative Approaches in Carbon Capture and Utilization for Sustainable Industrial Processes

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "B3: Carbon Emission and Utilization".

Deadline for manuscript submissions: 17 October 2025 | Viewed by 403

Special Issue Editors


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Guest Editor
Carbon Science and Technology Institute (INCAR-CSIC) Francisco Pintado Fe, 26, 33001 Oviedo, Spain
Interests: CO2 capture; CO2 sorption; low carbon technology; process design; process optimization; heterogeneous catalysis; chemical reaction engineering
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Carbon Science and Technology Institute (INCAR-CSIC)Francisco Pintado Fe, 26, 33001 Oviedo, Spain
Interests: CO2 capture; CO2 sorption; low carbon technology; chemical reaction engineering

Special Issue Information

Dear Colleagues,

Decarbonization of the electricity generation and industrial sectors (such as cement, steel, refineries, etc.) is a key objective for mitigating climate change and limiting global warming to 1.5°C by 2050. Despite advancements in renewable energy, many industrial processes still rely on fossil fuels, highlighting the urgent need for effective technological solutions. In this context, Carbon Capture, Utilization, and Storage (CCUS) emerges as one of the most promising strategies for significantly reducing greenhouse gas emissions. CO2 capture has generated growing interest within the scientific community due to its multidisciplinary nature and the pressing need to develop processes that are both energy-efficient and economically viable. Furthermore, utilizing captured CO2 as a feedstock for the production of value-added products, such as chemicals or sustainable fuels, offers a significant opportunity to advance research into novel catalytic applications while avoiding the extraction of additional fossil resources. This Special Issue will compile innovative publications from leading researchers across various disciplines, focusing on the latest advances in CO2 capture technologies, including process modeling, reactor design, process optimization, and advanced materials, in order to provide new perspectives for the development of sustainable industrial solutions.

Dr. Jose Ramon Fernandez
Dr. Roberto García
Guest Editors

Manuscript Submission Information

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Keywords

  • CO2 capture
  • energy
  • modelling
  • chemical reactor
  • efficiency
  • advanced materials

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Published Papers (1 paper)

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Research

22 pages, 1104 KB  
Article
Improving CO2 Capture Efficiency Through Novel CLOU-Based Fuel Reactor Configuration in Chemical Looping Combustion
by Anna Zylka, Jaroslaw Krzywanski, Tomasz Czakiert, Marcin Sosnowski, Karolina Grabowska, Dorian Skrobek and Lukasz Lasek
Energies 2025, 18(17), 4640; https://doi.org/10.3390/en18174640 - 1 Sep 2025
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Abstract
Climate change and global decarbonization targets drive the search for more efficient and cost-effective combustion technologies. Chemical looping combustion (CLC) using solid oxygen carriers with chemical looping with oxygen uncoupling (CLOU) functionality has attracted growing interest due to its inherent potential for CO [...] Read more.
Climate change and global decarbonization targets drive the search for more efficient and cost-effective combustion technologies. Chemical looping combustion (CLC) using solid oxygen carriers with chemical looping with oxygen uncoupling (CLOU) functionality has attracted growing interest due to its inherent potential for CO2 capture without requiring additional separation processes. This study introduces a conceptual proof-of-concept design of a novel fuel reactor design for a dual-fluidized bed CLC system operating with solid fuels. The new configuration incorporates a perforated conveyor for circulating CLOU-type oxygen carriers, thereby avoiding direct contact between the carriers and the fuel–ash mixture. This approach prevents the slip of unburned fuel and ash into the air reactor, minimizes the loss of oxygen carriers, and improves combustion efficiency. The proposed reactor concept enables the generation of flue gas with a high CO2 concentration, which facilitates its subsequent capture and reduces the energy penalty associated with traditional CCS techniques. The improved phase separation and better control of oxygen carrier residence time contribute to enhanced system performance and reduced operating costs. Preliminary process simulations conducted in the CeSFaMB environment, using boundary and initial conditions from a CLC test rig, were included to illustrate the potential of the design. Experimental validation is outside the scope of this study and will be presented in future work once the dedicated test facility is operational. This contribution should therefore be regarded as a conceptual proof-of-concept study, and experimental validation together with techno-economic benchmarking will be reported in follow-up publications once the dedicated test facility is operational. Full article
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