Chemical Looping Combustion: A Brief Overview

Tomasz Czakiert, Jaroslaw Krzywanski, Anna Zylka and Wojciech Nowak
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Tomasz Czakiert: Department of Advanced Energy Technologies, Faculty of Infrastructure and Environment, Czestochowa University of Technology, 42-201 Czestochowa, Poland
Jaroslaw Krzywanski: Division of Advanced Computational Methods, Faculty of Science and Technology, Jan Dlugosz University in Czestochowa, 42-200 Czestochowa, Poland
Anna Zylka: Division of Advanced Computational Methods, Faculty of Science and Technology, Jan Dlugosz University in Czestochowa, 42-200 Czestochowa, Poland
Wojciech Nowak: Department of Thermal and Fluid-Flow Machinery, Faculty of Energy and Fuels, AGH University of Science and Technology, 30-059 Cracow, Poland

Energies, 2022, vol. 15, issue 4, 1-19

Abstract: The current development of chemical looping combustion (CLC) technology is presented in this paper. This technique of energy conversion enables burning of hydrocarbon fuels with dramatically reduced CO 2 emission into the atmosphere, since the inherent separation of carbon dioxide takes place directly in a combustion unit. In the beginning, the general idea of the CLC process is described, which takes advantage of solids (so-called oxygen carriers) being able to transport oxygen between combustion air and burning fuel. The main groups of oxygen carriers (OC) are characterized and compared, which are Fe-, Mn-, Cu-, Ni-, and Co-based materials. Moreover, different constructions of reactors tailored to perform the CLC process are described, including fluidized-bed reactors, swing reactors, and rotary reactors. The whole systems are based on the chemical looping concept, such as syngas CLC (SG-CLC), in situ Gasification CLC (iG-CLC), chemical looping with oxygen uncoupling (CLOU), and chemical looping reforming (CLR), are discussed as well. Finally, a comparison with other pro-CCS (carbon capture and storage) technologies is provided.

Keywords: CLC; oxygen carriers; reactors; systems (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (18)

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