High yield of second-generation ethanol in an ionic Liquid-Cellulase integrated system for single-step processing of empty fruit bunch

Ionic liquids (ILs) are regarded as green solvents and have demonstrated ability in the solvation of lignocellulosic material, thus promoting its enzymatic hydrolysis by cellulases. In this study, cellulase (PKC-Cel) obtained from Trichoderma reesei (RUTC30) through fermentation displayed good stabi...

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Main Authors: Elgharbawy, A.A.M., Alam, M.D.Z., Moniruzzaman, M., Ahmad Kabbashi, N., Jamal, P.
Format: Article
Institution: Universiti Teknologi Petronas
Record Id / ISBN-0: utp-eprints.29512 /
Published: Taylor and Francis Ltd. 2021
Online Access: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85109075377&doi=10.1080%2f17597269.2018.1542569&partnerID=40&md5=758916660d6ec5008977ad558f818415
http://eprints.utp.edu.my/29512/
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spelling utp-eprints.295122022-03-25T02:08:15Z High yield of second-generation ethanol in an ionic Liquid-Cellulase integrated system for single-step processing of empty fruit bunch Elgharbawy, A.A.M. Alam, M.D.Z. Moniruzzaman, M. Ahmad Kabbashi, N. Jamal, P. Ionic liquids (ILs) are regarded as green solvents and have demonstrated ability in the solvation of lignocellulosic material, thus promoting its enzymatic hydrolysis by cellulases. In this study, cellulase (PKC-Cel) obtained from Trichoderma reesei (RUTC30) through fermentation displayed good stability in choline acetate ChoOAc, a biodegradable IL. Empty fruit bunches (EFB) were subjected to single-step hydrolysis in an IL-enzyme system. Response surface methodology was employed to maximize ethanol production. Three parameters were optimized, namely sugar loading, inoculum concentration, and agitation. The distilled ethanol purity was 98.6% (v/v). The ethanol yield was 87.94% of the theoretical yield, which was 0.275 g ethanol g�1 EFB. In comparison, the non-IL system produced 0.127 g g�1 EFB. The yield coefficients (Formula presented.), (Formula presented.), and (Formula presented.) were 0.552, 0.148, and 3.69 g g�1. The specific growth rate (Formula presented.) was determined to be 0.264 h�1 and the (Formula presented.) was 0.777 h�1. © 2019 Informa UK Limited, trading as Taylor & Francis Group. Taylor and Francis Ltd. 2021 Article NonPeerReviewed https://www.scopus.com/inward/record.uri?eid=2-s2.0-85109075377&doi=10.1080%2f17597269.2018.1542569&partnerID=40&md5=758916660d6ec5008977ad558f818415 Elgharbawy, A.A.M. and Alam, M.D.Z. and Moniruzzaman, M. and Ahmad Kabbashi, N. and Jamal, P. (2021) High yield of second-generation ethanol in an ionic Liquid-Cellulase integrated system for single-step processing of empty fruit bunch. Biofuels, 12 (7). pp. 817-828. http://eprints.utp.edu.my/29512/
institution Universiti Teknologi Petronas
collection UTP Institutional Repository
description Ionic liquids (ILs) are regarded as green solvents and have demonstrated ability in the solvation of lignocellulosic material, thus promoting its enzymatic hydrolysis by cellulases. In this study, cellulase (PKC-Cel) obtained from Trichoderma reesei (RUTC30) through fermentation displayed good stability in choline acetate ChoOAc, a biodegradable IL. Empty fruit bunches (EFB) were subjected to single-step hydrolysis in an IL-enzyme system. Response surface methodology was employed to maximize ethanol production. Three parameters were optimized, namely sugar loading, inoculum concentration, and agitation. The distilled ethanol purity was 98.6% (v/v). The ethanol yield was 87.94% of the theoretical yield, which was 0.275 g ethanol g�1 EFB. In comparison, the non-IL system produced 0.127 g g�1 EFB. The yield coefficients (Formula presented.), (Formula presented.), and (Formula presented.) were 0.552, 0.148, and 3.69 g g�1. The specific growth rate (Formula presented.) was determined to be 0.264 h�1 and the (Formula presented.) was 0.777 h�1. © 2019 Informa UK Limited, trading as Taylor & Francis Group.
format Article
author Elgharbawy, A.A.M.
Alam, M.D.Z.
Moniruzzaman, M.
Ahmad Kabbashi, N.
Jamal, P.
spellingShingle Elgharbawy, A.A.M.
Alam, M.D.Z.
Moniruzzaman, M.
Ahmad Kabbashi, N.
Jamal, P.
High yield of second-generation ethanol in an ionic Liquid-Cellulase integrated system for single-step processing of empty fruit bunch
author_sort Elgharbawy, A.A.M.
title High yield of second-generation ethanol in an ionic Liquid-Cellulase integrated system for single-step processing of empty fruit bunch
title_short High yield of second-generation ethanol in an ionic Liquid-Cellulase integrated system for single-step processing of empty fruit bunch
title_full High yield of second-generation ethanol in an ionic Liquid-Cellulase integrated system for single-step processing of empty fruit bunch
title_fullStr High yield of second-generation ethanol in an ionic Liquid-Cellulase integrated system for single-step processing of empty fruit bunch
title_full_unstemmed High yield of second-generation ethanol in an ionic Liquid-Cellulase integrated system for single-step processing of empty fruit bunch
title_sort high yield of second-generation ethanol in an ionic liquid-cellulase integrated system for single-step processing of empty fruit bunch
publisher Taylor and Francis Ltd.
publishDate 2021
url https://www.scopus.com/inward/record.uri?eid=2-s2.0-85109075377&doi=10.1080%2f17597269.2018.1542569&partnerID=40&md5=758916660d6ec5008977ad558f818415
http://eprints.utp.edu.my/29512/
_version_ 1741197253767331840
score 11.62408

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