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10075 Effect of Ethanol Chemistry on the SCC Susceptibility of Carbon Steel

Product Number: 51300-10075-SG
ISBN: 10075 2010 CP
Author: Feng Gui, Narasi Sridhar, J. A. Beavers, Elizabeth A. Trillo and Preet Singh
Publication Date: 2010
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$20.00
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Carbon steel is susceptible to stress corrosion cracking (SCC) in fuel grade ethanol (FGE). The present study aimed at understanding if the SCC susceptibility of carbon steel was related to the impurities or minor constituents in FGE. SCC was noted in all six FGE samples tested in two laboratories. The characterization results gained thus suggest that the composition of the FGE varies depending on the biomass and/or production methods. However, it is not clear yet whether the SCC could be associated to one or several impurities or minor constituents. More efforts are needed to obtain a definite answer.

Key words: biofuel, ethanol, stress corrosion cracking, SCC, GC-MS, composition, electrochemical
Carbon steel is susceptible to stress corrosion cracking (SCC) in fuel grade ethanol (FGE). The present study aimed at understanding if the SCC susceptibility of carbon steel was related to the impurities or minor constituents in FGE. SCC was noted in all six FGE samples tested in two laboratories. The characterization results gained thus suggest that the composition of the FGE varies depending on the biomass and/or production methods. However, it is not clear yet whether the SCC could be associated to one or several impurities or minor constituents. More efforts are needed to obtain a definite answer.

Key words: biofuel, ethanol, stress corrosion cracking, SCC, GC-MS, composition, electrochemical
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