Modeling of the Chemical Looping Combustion of Hard Coal and Biomass Using Ilmenite as the Oxygen Carrier

Anna Zylka, Jaroslaw Krzywanski, Tomasz Czakiert, Kamil Idziak, Marcin Sosnowski, Marcio L. de Souza-Santos, Karol Sztekler and Wojciech Nowak
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Anna Zylka: Faculty of Science and Technology, Jan Dlugosz University in Czestochowa, 42-200 Czestochowa, Poland
Jaroslaw Krzywanski: Faculty of Science and Technology, Jan Dlugosz University in Czestochowa, 42-200 Czestochowa, Poland
Tomasz Czakiert: Department of Advanced Energy Technologies, Czestochowa University of Technology, 42-201 Czestochowa, Poland
Kamil Idziak: Department of Advanced Energy Technologies, Czestochowa University of Technology, 42-201 Czestochowa, Poland
Marcin Sosnowski: Faculty of Science and Technology, Jan Dlugosz University in Czestochowa, 42-200 Czestochowa, Poland
Marcio L. de Souza-Santos: Department of Energy, School of Mechanical Engineering, University of Campinas, Campinas, SP 13083-970, Brazil
Karol Sztekler: Faculty of Energy and Fuels, AGH University of Science and Technology, 30-059 Cracow, Poland
Wojciech Nowak: Faculty of Energy and Fuels, AGH University of Science and Technology, 30-059 Cracow, Poland

Energies, 2020, vol. 13, issue 20, 1-17

Abstract: This paper presents a 1.5D model of a fluidized bed chemical looping combustion (CLC) built with the use of a comprehensive simulator of fluidized and moving bed equipment (CeSFaMB) simulator. The model is capable of calculating the effect of gas velocity in the fuel reactor on the hydrodynamics of the fluidized bed and the kinetics of the CLC process. Mass of solids in re actors, solid circulating rates, particle residence time, and the number of particle cycles in the air and fuel reactor are considered within the study. Moreover, the presented model calculates essential emissions such as CO 2 , SO X , NO X , and O 2 . The model was successfully validated on experimental tests that were carried out on the Fluidized-Bed Chemical-Looping-Combustion of Solid-Fuels unit located at the Institute of Advanced Energy Technologies, Czestochowa University of Technology, Poland. The model’s validation showed that the maximum relative errors between simulations and experiment results do not exceed 10%. The CeSFaMB model is an optimum compromise among simulation accuracy, computational resources, and processing time.

Keywords: chemical looping combustion; CeSFaMB; ilmenite; oxygen carrier; hard coal; biomass (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: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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