Environmental and Comparative Assessment of Integrated Gasification Gas Cycle with CaO Looping and CO 2 Adsorption by Activated Carbon: A Case Study of the Czech Republic

Kristína Zakuciová, Ana Carvalho, Jiří Štefanica, Monika Vitvarová, Lukáš Pilař and Vladimír Kočí
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Kristína Zakuciová: ÚJV Řež, a. s., Hlavní 130, Řež, 250 68 Husinec, Czech Republic
Ana Carvalho: CEG-IST, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisbon, Portugal
Jiří Štefanica: ÚJV Řež, a. s., Hlavní 130, Řež, 250 68 Husinec, Czech Republic
Monika Vitvarová: Department of Energy Engineering, Faculty of Mechanical Engineering, Czech Technical University in Prague, Technická 4, 166 28 Praha 6, Czech Republic
Lukáš Pilař: Department of Energy Engineering, Faculty of Mechanical Engineering, Czech Technical University in Prague, Technická 4, 166 28 Praha 6, Czech Republic
Vladimír Kočí: Department of Environmental Chemistry, Faculty of Environmental Technology, University of Chemistry and Technology, Prague, Technická 5, 166 28 Praha 6, Czech Republic

Energies, 2020, vol. 13, issue 16, 1-24

Abstract: 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 CO 2 capture integrated into the gasification combined cycle (IGCC-CaL) and (2) the scenario of post-combustion capture by adsorption of CO 2 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 CO 2 and their correlation with CO 2 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.

Keywords: carbon dioxide capture; activated carbon; environmental impacts; IGCC; carbon capture economy (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 (1)

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