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

Picture for 10075 Effect of Ethanol Chemistry on the SCC Susceptibility of Carbon Steel
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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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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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Picture for 07574 SCC of Carbon Steel in Fuel Ethanol Service: Effect of Corrosion Potential and Ethanol Process
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07574 SCC of Carbon Steel in Fuel Ethanol Service: Effect of Corrosion Potential and Ethanol Processing Source

Product Number: 51300-07574-SG
ISBN: 07574 2007 CP
Author: Julio G. Maldonado and Narasi Sridhar
Publication Date: 07574
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Stress corrosion cracking (SCC) of carbon steel in fuel ethanol service has been observed in an increasing number of failures in the last few years. In the presence of oxygen, all of the samples evaluated in this study produced varying degrees of SCC, except for one of the producer ethanol samples. The reason for the high corrosion potential in this sample is still unknown and more detailed analysis of the sample chemical make-up is needed.

 
Picture for 09528 Corrosion and SCC Issues in Fuel Ethanol and Biofuels
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09528 Corrosion and SCC Issues in Fuel Ethanol and Biofuels

Product Number: 51300-09528-SG
ISBN: 09528 2009 CP
Author: Sankara Papavinasam, Russell D. Kane
Publication Date: 2009
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Picture for 09531 Techniques for Monitoring Conditions Leading to SCC of Carbon Steel in Fuel Grade Ethanol
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09531 Techniques for Monitoring Conditions Leading to SCC of Carbon Steel in Fuel Grade Ethanol

Product Number: 51300-09531-SG
ISBN: 09531 2009 CP
Author: John Beavers, Narasi Sridhar, Feng Gui
Publication Date: 2009
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