Fatih G�le�
Progress in the CO2 Capture Technologies for Fluid Catalytic Cracking (FCC) Units—A Review
G�le�, Fatih; Meredith, Will; Snape, Colin E.
Authors
Dr WILLIAM MEREDITH william.meredith@nottingham.ac.uk
Associate Professor
COLIN SNAPE COLIN.SNAPE@NOTTINGHAM.AC.UK
Professor of Chemical Technology & Chemical Eng
Abstract
© Copyright © 2020 Güleç, Meredith and Snape. Heavy industries including cement, iron and steel, oil refining, and petrochemicals are collectively responsible for about 22% of global CO2 emissions. Among these industries, oil refineries account for 4–6%, of which typically 25–35% arise from the regenerators in Fluid Catalytic Cracking (FCC) units. This article reviews the progress in applying CO2 capture technologies to FCC units. Post combustion and oxyfuel combustion have been investigated to mitigate CO2 emissions in FCC and, more recently, Chemical Looping Combustion (CLC) has received attention. Post combustion capture can readily be deployed to the flue gas in FCC units and oxyfuel combustion, which requires air separation has been investigated in a pilot-scale unit by Petrobras (Brazil). However, in comparison, CLC offers considerably lower energy penalties. The applicability of CLC for FCC has also been experimentally investigated at a lab-scale. As a result, the studies demonstrated highly promising CO2 capture capacities for FCC with the application of post combustion (85–90%), oxyfuel combustion (90–100%) and CLC (90–96%). Therefore, the method having lowest energy penalty and CO2 avoided cost is highly important for the next generation of FCC units to optimize CO2 capture. The energy penalty was calculated as 3.1–4.2 GJ/t CO2 with an avoiding cost of 75–110 €/t CO2 for the application of post combustion capture to FCC. However, the application of oxyfuel combustion provided lower energy penalty of 1.8–2.5 GJ/t CO2, and lower CO2 avoided cost of 55–85 €/t CO2. More recently, lab-scale experiments demonstrated that the application of CLC to FCC demonstrate significant progress with an indicative much lower energy penalty of ca. 0.2 GJ/t CO2.
Citation
Güleç, F., Meredith, W., & Snape, C. E. (2020). Progress in the CO2 Capture Technologies for Fluid Catalytic Cracking (FCC) Units—A Review. Frontiers in Energy Research, 8, https://doi.org/10.3389/fenrg.2020.00062
Journal Article Type | Review |
---|---|
Acceptance Date | Mar 31, 2020 |
Online Publication Date | Apr 23, 2020 |
Publication Date | Apr 23, 2020 |
Deposit Date | Apr 24, 2020 |
Publicly Available Date | Apr 24, 2020 |
Journal | Frontiers in Energy Research |
Electronic ISSN | 2296-598X |
Publisher | Frontiers Media |
Peer Reviewed | Peer Reviewed |
Volume | 8 |
DOI | https://doi.org/10.3389/fenrg.2020.00062 |
Keywords | CCS, CO2 capture, Fluid Catalytic Cracking (FCC), post combustion, oxyfuel combustion, Chemical Looping Combustion (CLC) |
Public URL | https://nottingham-repository.worktribe.com/output/4331277 |
Publisher URL | https://www.frontiersin.org/articles/10.3389/fenrg.2020.00062/full |
Additional Information | Güleç F, Meredith W and Snape CE (2020) Progress in the CO2 Capture Technologies for Fluid Catalytic Cracking (FCC) Units—A Review. Front. Energy Res. 8:62. doi: 10.3389/fenrg.2020.00062 |
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