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.
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.
|Titolo:||Comparison of different pretreatments for the production of bioethanol and biomethane from corn stover and switchgrass|
ADANI, FABRIZIO (Penultimo)
|Parole Chiave:||Bioethanol; Biomass pretreatment; Biomethane; Ionic liquid pretreatment; Pressurized hot water pretreatment; Bioengineering; Environmental Engineering; Waste Management and Disposal|
|Settore Scientifico Disciplinare:||Settore AGR/08 - Idraulica Agraria e Sistemazioni Idraulico-Forestali|
Settore AGR/09 - Meccanica Agraria
Settore AGR/13 - Chimica Agraria
Settore ICAR/03 - Ingegneria Sanitaria-Ambientale
Settore ING-IND/09 - Sistemi per l'Energia e L'Ambiente
|Data di pubblicazione:||2015|
|Digital Object Identifier (DOI):||http://dx.doi.org/10.1016/j.biortech.2015.01.121|
|Appare nelle tipologie:||01 - Articolo su periodico|