期刊
INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL
卷 4, 期 2, 页码 316-320出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ijggc.2009.09.022
关键词
Post-combustion capture; Refineries
This paper evaluates the opportunities and associated costs for post-combustion capture at a world-scale complex refinery It is concluded that it is technically feasible to apply post-combustion capture at such a refinery. The costs for capture and sequestration from a gasifier are calculated to be lowest at about 30 Euro per ton. this process currently already produces a concentrated CO2 strearn Next, the CO2 source most suited for capture appears to be a combined stack, but there are a number of other sources that may be targeted at comparable costs. In total these sources may form about 40% of the overall refinery emissions. Our evaluations show the costs of capture from Such Sources based on available amine technology will be in the range of 90-120 Euro per ton, which is about 3-4 times higher than the current carbon trading values The capture Of CO2 from a large amount of smaller CO2 sources will bring along even much higher costs. A high-level Study of the CO2 emissions profile of a number of Shell refineries shows that, typically, up to 50% of the emitted CO2 may be captured at similar costs About 10-20% of concentrated CO2 associated with hydrogen manufacturing may be captured at lower costs. The remainder of emitted dilute CO2 will bring along significantly higher costs Based on this study, it is concluded for the justification of the implementation of post-combustion capture at refineries, either a significant increase in carbon trading values, mandatory regulations, or a major technological breakthrough is required (C) 2009 Shell Global Solutions International BV Published by Elsevier Ltd. All rights reserved
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