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Production of hydrogen-rich gas from biomass gasification with in-process CO2 capture with eggshell.
Authors: Shakirudeen A. Salaudeen, Bishnu Acharya, Aitazaz A. Farooque, Animesh Dutta
Identifier: CSBE22189
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Published in: CSBE-SCGAB Technical Conferences » AGM Charlottetown 2022
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Description: This study presents an innovative use of agri-food waste. The study focuses on the production of hydrogen-rich syngas from biomass gasification with an in-process carbon capture. Sawdust was used as the biomass and eggshell was used as a sustainable material for CO2 adsorption. The study is aimed at helping the agri-food sector to meet its environment and sustainability goals by utilizing their generated waste materials to solve environmental issues and thereby contributing to the bioeconomy. The steam gasification experiment was conducted in a bubbling fluidized bed reactor at 650oC, which is below the equilibrium temperature for calcium looping gasification. In addition to being a sorbent material, calcined eggshell was part of the fluidized bed material. The calcined eggshell was obtained from the calcination (activation) of the raw samples at 900oC, leading to the conversion of the calcium carbonate in the eggshell to calcium oxide. Thermogravimetric studies and X-ray diffraction analysis revealed the conversion. Results showed that the inclusion of calcined eggshell in steam gasification of biomass enriched the syngas produced with hydrogen and reduced the CO2 concentration in the syngas. Influence of important parameters including calcined eggshell to biomass ratio and steam to biomass ratio was studied. An increase in both parameters enhanced the hydrogen concentration in the gas stream. Hydrogen concentration of 78 vol% was recorded while the CO2 concentration was only 3.3 vol%. The energy content of the resulting syngas was 15.9 MJ/Nm3.
Keywords: Agri-food waste, gasification, eggshell, hydrogen, CO2 sorbent.
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Date: 2022-07-24
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Conference name: CSBE/SCGAB 2022 Annual Conference, Charlottetow, PEI, 24-27 July 2022.
Session name: Waste Management2
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Type: Text.Abstract
Format:
Publication type: Presentation
Source:
Relation:
Coverage: Canada
Language 1: en
Language 2:
Rights: Canadian Society for Bioengineering
Notes:
Other files:
DOI:
Description: This study presents an innovative use of agri-food waste. The study focuses on the production of hydrogen-rich syngas from biomass gasification with an in-process carbon capture. Sawdust was used as the biomass and eggshell was used as a sustainable material for CO2 adsorption. The study is aimed at helping the agri-food sector to meet its environment and sustainability goals by utilizing their generated waste materials to solve environmental issues and thereby contributing to the bioeconomy. The steam gasification experiment was conducted in a bubbling fluidized bed reactor at 650oC, which is below the equilibrium temperature for calcium looping gasification. In addition to being a sorbent material, calcined eggshell was part of the fluidized bed material. The calcined eggshell was obtained from the calcination (activation) of the raw samples at 900oC, leading to the conversion of the calcium carbonate in the eggshell to calcium oxide. Thermogravimetric studies and X-ray diffraction analysis revealed the conversion. Results showed that the inclusion of calcined eggshell in steam gasification of biomass enriched the syngas produced with hydrogen and reduced the CO2 concentration in the syngas. Influence of important parameters including calcined eggshell to biomass ratio and steam to biomass ratio was studied. An increase in both parameters enhanced the hydrogen concentration in the gas stream. Hydrogen concentration of 78 vol% was recorded while the CO2 concentration was only 3.3 vol%. The energy content of the resulting syngas was 15.9 MJ/Nm3.
Keywords: Agri-food waste, gasification, eggshell, hydrogen, CO2 sorbent.
Résumé:
Mots-clés:
Citation:
Volume:
Issue:
Pages -
Contributor:
Date: 2022-07-24
Technical field:
Conference name: CSBE/SCGAB 2022 Annual Conference, Charlottetow, PEI, 24-27 July 2022.
Session name: Waste Management2
Other information:
Type: Text.Abstract
Format:
Publication type: Presentation
Source:
Relation:
Coverage: Canada
Language 1: en
Language 2:
Rights: Canadian Society for Bioengineering
Notes:
Other files:
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2024
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