Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/5873
Title: Production of bioethanol from apple pomace by using cocultures: Conversion of agro-industrial waste to value added product
Authors: Evcan, Ezgi
Tarı, Canan
Keywords: Apple pomace
Aspergillus sojae
Bioethanol
Green process
Saccharomyces cerevisiae
Trichoderma harzianum
Issue Date: 1-Aug-2015
Publisher: Elsevier Ltd.
Source: Evcan, E., and Tarı, C. (2015). Production of bioethanol from apple pomace by using cocultures: Conversion of agro-industrial waste to value added product. Energy, 88, 775-782. doi:10.1016/j.energy.2015.05.090
Abstract: Direct fermentation of cellulosic biomass to bioethanol has been very promising and hence attracted attention in recent years. In this study, bioethanol production from apple pomace hydrolysate (agro-industrial waste product) was investigated by coculturing Trichoderma harzianum, Aspergillus sojae and Saccharomyces cerevisiae using statistical approaches. Screening and optimization experiments were conducted in order to determine the significant factors and their optimum levels for maximum bioethanol production. Inoculation rates, aeration and agitation speed were considered as factor variables and bioethanol production as response variable. Highest bioethanol (EtOH) concentration and ethanol yield on total reducing sugar content (YP/S) were 8.748 g/L and 0.945 g/g, respectively. Optimum conditions were 6% (w/v) inoculation rates of T.harzianum and A.sojae, and 4% (v/v) inoculation rate of S.cerevisiae with vented aeration method and agitation speed of 200 rpm. To best of our knowledge to date, no reports are available in literature regarding the coculturing of T.harzianum, A.sojae and S.cerevisiae for bioethanol production. Therefore, this study will serve as a base line of initial studies in this field. The method can create a renewable alternative feedstock for fossil fuel production and suggest a feasible solution to multiple environmental problems simultaneously creating a sink for waste utilization.
URI: https://doi.org/10.1016/j.energy.2015.05.090
http://hdl.handle.net/11147/5873
ISSN: 0360-5442
Appears in Collections:Food Engineering / Gıda Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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