Oxy-Fuel Combustion of Hard Coal, Wheat Straw, and Solid Recovered Fuel in a 200 kW<sub>th</sub> Calcium Looping CFB Calciner
The fluidized bed combustion (FBC) of biomass and solid recovered fuel (SRF) is globally emerging as a viable solution to achieve net-negative carbon emissions in the heat and power sector. Contrary to conventional fossil fuels, alternative fuels are highly heterogeneous, and usually contain increas...
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doaj-1ac1a1a7ba2b4b3d98fd7449c28a4da02021-04-13T23:03:30ZengMDPI AGEnergies1996-10732021-04-01142162216210.3390/en14082162Oxy-Fuel Combustion of Hard Coal, Wheat Straw, and Solid Recovered Fuel in a 200 kW<sub>th</sub> Calcium Looping CFB CalcinerJoseba Moreno0Matthias Hornberger1Max Schmid2Günter Scheffknecht3Institute of Combustion and Power Plant Technology (IFK), University of Stuttgart, Pfaffenwaldring 23, 70569 Stuttgart, GermanyInstitute of Combustion and Power Plant Technology (IFK), University of Stuttgart, Pfaffenwaldring 23, 70569 Stuttgart, GermanyInstitute of Combustion and Power Plant Technology (IFK), University of Stuttgart, Pfaffenwaldring 23, 70569 Stuttgart, GermanyInstitute of Combustion and Power Plant Technology (IFK), University of Stuttgart, Pfaffenwaldring 23, 70569 Stuttgart, GermanyThe fluidized bed combustion (FBC) of biomass and solid recovered fuel (SRF) is globally emerging as a viable solution to achieve net-negative carbon emissions in the heat and power sector. Contrary to conventional fossil fuels, alternative fuels are highly heterogeneous, and usually contain increased amounts of alkaline metals and chlorine. Hence, experimental studies are mandatory in order to thoroughly characterize the combustion behavior and pollutant formation of non-conventional fuels in novel applications. This work gives an overview of experimental investigations on the oxy-fuel combustion of hard coal, wheat straw, and SRF with a limestone bed in a semi-industrial circulating fluidized bed (CFB) pilot plant. The CFB combustor was able to be operated under different fuel blending ratios and inlet O<sub>2</sub> concentrations, showing a stable hydrodynamic behavior over many hours of continuous operation. The boundary conditions introduced in this study are expected to prevail in carbon capture and storage (CCS) processes, such as the oxy-fuel combustion in the CFB calciner of a Calcium Looping (CaL) cycle for post-combustion CO<sub>2</sub> capture.https://www.mdpi.com/1996-1073/14/8/2162oxy-fuel combustioncarbon capturebiomass combustionSRF combustionfluidized bed combustionco-firing |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Joseba Moreno Matthias Hornberger Max Schmid Günter Scheffknecht |
spellingShingle |
Joseba Moreno Matthias Hornberger Max Schmid Günter Scheffknecht Oxy-Fuel Combustion of Hard Coal, Wheat Straw, and Solid Recovered Fuel in a 200 kW<sub>th</sub> Calcium Looping CFB Calciner Energies oxy-fuel combustion carbon capture biomass combustion SRF combustion fluidized bed combustion co-firing |
author_facet |
Joseba Moreno Matthias Hornberger Max Schmid Günter Scheffknecht |
author_sort |
Joseba Moreno |
title |
Oxy-Fuel Combustion of Hard Coal, Wheat Straw, and Solid Recovered Fuel in a 200 kW<sub>th</sub> Calcium Looping CFB Calciner |
title_short |
Oxy-Fuel Combustion of Hard Coal, Wheat Straw, and Solid Recovered Fuel in a 200 kW<sub>th</sub> Calcium Looping CFB Calciner |
title_full |
Oxy-Fuel Combustion of Hard Coal, Wheat Straw, and Solid Recovered Fuel in a 200 kW<sub>th</sub> Calcium Looping CFB Calciner |
title_fullStr |
Oxy-Fuel Combustion of Hard Coal, Wheat Straw, and Solid Recovered Fuel in a 200 kW<sub>th</sub> Calcium Looping CFB Calciner |
title_full_unstemmed |
Oxy-Fuel Combustion of Hard Coal, Wheat Straw, and Solid Recovered Fuel in a 200 kW<sub>th</sub> Calcium Looping CFB Calciner |
title_sort |
oxy-fuel combustion of hard coal, wheat straw, and solid recovered fuel in a 200 kw<sub>th</sub> calcium looping cfb calciner |
publisher |
MDPI AG |
series |
Energies |
issn |
1996-1073 |
publishDate |
2021-04-01 |
description |
The fluidized bed combustion (FBC) of biomass and solid recovered fuel (SRF) is globally emerging as a viable solution to achieve net-negative carbon emissions in the heat and power sector. Contrary to conventional fossil fuels, alternative fuels are highly heterogeneous, and usually contain increased amounts of alkaline metals and chlorine. Hence, experimental studies are mandatory in order to thoroughly characterize the combustion behavior and pollutant formation of non-conventional fuels in novel applications. This work gives an overview of experimental investigations on the oxy-fuel combustion of hard coal, wheat straw, and SRF with a limestone bed in a semi-industrial circulating fluidized bed (CFB) pilot plant. The CFB combustor was able to be operated under different fuel blending ratios and inlet O<sub>2</sub> concentrations, showing a stable hydrodynamic behavior over many hours of continuous operation. The boundary conditions introduced in this study are expected to prevail in carbon capture and storage (CCS) processes, such as the oxy-fuel combustion in the CFB calciner of a Calcium Looping (CaL) cycle for post-combustion CO<sub>2</sub> capture. |
topic |
oxy-fuel combustion carbon capture biomass combustion SRF combustion fluidized bed combustion co-firing |
url |
https://www.mdpi.com/1996-1073/14/8/2162 |
work_keys_str_mv |
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