Comparison of different pretreatments for the production of bioethanol and biomethane from corn stover and switchgrass
Articolo
Data di Pubblicazione:
2015
Citazione:
Comparison of different pretreatments for the production of bioethanol and biomethane from corn stover and switchgrass / G. Papa, S. Rodriguez, A. George, A. Schievano, V. Orzi, K.L. Sale, S. Singh, F. Adani, B.A. Simmons. - In: BIORESOURCE TECHNOLOGY. - ISSN 0960-8524. - 183(2015), pp. 101-110. [10.1016/j.biortech.2015.01.121]
Abstract:
In this study the efficiency of mild ionic liquid (IL) pretreatment and pressurized hot water (PHW) is evaluated and compared in terms of bioethanol and biomethane yields, with corn stover (CS) and switchgrass (SG) as model bioenergy crops. Both feedstocks pretreated with the IL 1-ethyl-3-methylimidazolium acetate [C2C1Im][OAc] at 100°C for 3h exhibited lower glucose yield that those treated with harsher pretreatment conditions previously used. Compared to PHW, IL pretreatment demonstrated higher bioethanol yields; moreover IL pretreatment enhanced biomethane production. Taking into consideration both bioethanol and biomethane productions, results indicated that when using IL pretreatment, the total energy produced per kg of total solids was higher compared to untreated biomasses. Specifically energy produced from CS and SG was +18.6% and +34.5% respectively, as compared to those obtained by hot water treatment, i.e. +2.3% and +23.4% for CS and SG, respectively.
Tipologia IRIS:
01 - Articolo su periodico
Keywords:
Bioethanol; Biomass pretreatment; Biomethane; Ionic liquid pretreatment; Pressurized hot water pretreatment; Bioengineering; Environmental Engineering; Waste Management and Disposal
Elenco autori:
G. Papa, S. Rodriguez, A. George, A. Schievano, V. Orzi, K.L. Sale, S. Singh, F. Adani, B.A. Simmons
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