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Article

Environmental and Comparative Assessment of Integrated Gasification Gas Cycle with CaO Looping and CO2 Adsorption by Activated Carbon: A Case Study of the Czech Republic

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ÚJV Řež, a. s., Hlavní 130, Řež, 250 68 Husinec, Czech Republic
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Department of Environmental Chemistry, Faculty of Environmental Technology, University of Chemistry and Technology, Prague, Technická 5, 166 28 Praha 6, Czech Republic
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CEG-IST, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisbon, Portugal
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Department of Energy Engineering, Faculty of Mechanical Engineering, Czech Technical University in Prague, Technická 4, 166 28 Praha 6, Czech Republic
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Authors to whom correspondence should be addressed.
Energies 2020, 13(16), 4188; https://doi.org/10.3390/en13164188
Received: 30 June 2020 / Revised: 10 August 2020 / Accepted: 12 August 2020 / Published: 13 August 2020
(This article belongs to the Special Issue Life Cycle Assessment of Energy Systems)
The Czech Republic is gradually shifting toward a low-carbon economy. The transition process requires measures that will help to contain energy production and help to reduce emissions from the coal industry. Viable measures are seen in carbon capture technologies (CCTs). The main focus is on the environmental and economic comparison of two innovative CCTs that are integrated in the operational Czech energy units. The assessed scenarios are (1) the scenario of pre-combustion CO2 capture integrated into the gasification combined cycle (IGCC-CaL) and (2) the scenario of post-combustion capture by adsorption of CO2 by activated carbon (PCC-A). An environmental assessment is performed through a life-cycle assessment method and compares the systems in the phase of characterization, normalization, and relative contribution of the processes to the environmental categories. Economic assessment compares CCT via capture and avoided costs of CO2 and their correlation with CO2 allowance market trend. The paper concludes with the selection of the most suitable CCT in the conditions of the Czech Republic by combining the scores of environmental and economic parameters. While the specific case of IGCC-CaL shows improvement in the environmental assessment, the economic analysis resulted in favor of PCC-A. The lower environmental–economic combination score results in the selection of IGCC-CaL as the more viable option in comparison with PCC-A in the current Czech energy and economic conditions. View Full-Text
Keywords: carbon dioxide capture; activated carbon; environmental impacts; IGCC; carbon capture economy carbon dioxide capture; activated carbon; environmental impacts; IGCC; carbon capture economy
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MDPI and ACS Style

Zakuciová, K.; Carvalho, A.; Štefanica, J.; Vitvarová, M.; Pilař, L.; Kočí, V. Environmental and Comparative Assessment of Integrated Gasification Gas Cycle with CaO Looping and CO2 Adsorption by Activated Carbon: A Case Study of the Czech Republic. Energies 2020, 13, 4188. https://doi.org/10.3390/en13164188

AMA Style

Zakuciová K, Carvalho A, Štefanica J, Vitvarová M, Pilař L, Kočí V. Environmental and Comparative Assessment of Integrated Gasification Gas Cycle with CaO Looping and CO2 Adsorption by Activated Carbon: A Case Study of the Czech Republic. Energies. 2020; 13(16):4188. https://doi.org/10.3390/en13164188

Chicago/Turabian Style

Zakuciová, Kristína, Ana Carvalho, Jiří Štefanica, Monika Vitvarová, Lukáš Pilař, and Vladimír Kočí. 2020. "Environmental and Comparative Assessment of Integrated Gasification Gas Cycle with CaO Looping and CO2 Adsorption by Activated Carbon: A Case Study of the Czech Republic" Energies 13, no. 16: 4188. https://doi.org/10.3390/en13164188

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