An integrated green process: Subcritical water, enzymatic hydrolysis, and fermentation, for biohydrogen production from coconut husk

An integrated green process: Subcritical water, enzymatic hydrolysis, and fermentation, for... Bioresource Technology 249 (2018) 268–275 Contents lists available at ScienceDirect Bioresource Technology journal homepage: www.elsevier.com/locate/biortech An integrated green process: Subcritical water, enzymatic hydrolysis, and fermentation, for biohydrogen production from coconut husk Maktum Muharja, Fitri Junianti, Dian Ranggina, Tantular Nurtono, Arief Widjaja Department of Chemical Engineering – Institut Teknologi Sepuluh Nopember, Surabaya 60111, Indonesia GR APHICAL A BSTRACT ARTICLE I NFO ABSTRACT Keywords: The objective of this work is to develop an integrated green process of subcritical water (SCW), enzymatic Biohydrogen hydrolysis and fermentation of coconut husk (CCH) to biohydrogen. The maximum sugar yield was obtained at Coconut husk mild severity factor. This was confirmed by the degradation of hemicellulose, cellulose and lignin. The tendency Subcritical water of the changing of sugar yield as a result of increasing severity factor was opposite to the tendency of pH change. Enzymatic hydrolysis It was found that CO gave a different tendency of severity factor compared to N as the pressurizing gas. The 2 2 Fermentation result of SEM analysis confirmed the structural changes during SCW pretreatment. This study integrated three steps all of which are green processes which ensured an environmentally friendly process to produce a clean biohydrogen. 1. Introduction Coconut husk http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Bioresource Technology Elsevier

An integrated green process: Subcritical water, enzymatic hydrolysis, and fermentation, for biohydrogen production from coconut husk

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Publisher
Elsevier
Copyright
Copyright © 2017 Elsevier Ltd
ISSN
0960-8524
D.O.I.
10.1016/j.biortech.2017.10.024
Publisher site
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Abstract

Bioresource Technology 249 (2018) 268–275 Contents lists available at ScienceDirect Bioresource Technology journal homepage: www.elsevier.com/locate/biortech An integrated green process: Subcritical water, enzymatic hydrolysis, and fermentation, for biohydrogen production from coconut husk Maktum Muharja, Fitri Junianti, Dian Ranggina, Tantular Nurtono, Arief Widjaja Department of Chemical Engineering – Institut Teknologi Sepuluh Nopember, Surabaya 60111, Indonesia GR APHICAL A BSTRACT ARTICLE I NFO ABSTRACT Keywords: The objective of this work is to develop an integrated green process of subcritical water (SCW), enzymatic Biohydrogen hydrolysis and fermentation of coconut husk (CCH) to biohydrogen. The maximum sugar yield was obtained at Coconut husk mild severity factor. This was confirmed by the degradation of hemicellulose, cellulose and lignin. The tendency Subcritical water of the changing of sugar yield as a result of increasing severity factor was opposite to the tendency of pH change. Enzymatic hydrolysis It was found that CO gave a different tendency of severity factor compared to N as the pressurizing gas. The 2 2 Fermentation result of SEM analysis confirmed the structural changes during SCW pretreatment. This study integrated three steps all of which are green processes which ensured an environmentally friendly process to produce a clean biohydrogen. 1. Introduction Coconut husk

Journal

Bioresource TechnologyElsevier

Published: Feb 1, 2018

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