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Ethanol production from date syrup with flocculent yeast: Optimization study

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Main Authors: Hayder Kh., Q. Ali, Mohamed Zulkali, Mohamed Daud, Prof Dr
Other Authors: dr.hayder_ali74@yahoo.com
Format: Article
Language:English
Published: American Institute of Chemical Engineers (AIChE) 2014
Subjects:
Central composite design
Continuous fermentation
Date syrup
Ethanol
Flocculent yeast
Recycle tower fermenter
Online Access:http://dspace.unimap.edu.my:80/dspace/handle/123456789/32625
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spelling my.unimap-326252017-11-29T04:55:50Z Ethanol production from date syrup with flocculent yeast: Optimization study Hayder Kh., Q. Ali Mohamed Zulkali, Mohamed Daud, Prof Dr dr.hayder_ali74@yahoo.com zulkali@unimap.edu.my Central composite design Continuous fermentation Date syrup Ethanol Flocculent yeast Recycle tower fermenter Link to publisher's homepage at https://www.aiche.org/ The current study was an attempt to produce ethanol from date syrup by using flocculent yeast, Saccharomyces uvarum. Due to its availability and cheap, the date syrup was used as the main carbon source. The central composite design (CCD) was applied to determine the optimum conditions of fermentation parameters in order to achieve high ethanol production. The selected parameters, fermentation temperature, concentration of date syrup sugar, and feed flow rate, were optimized through CCD. The study was conducted in a pilot scale plant tower fermenter. The highest conversion of the sugars was 95.75%, where it was achieved under the following optimum fermentation conditions: 29.06°C, sugar concentration of 55.00 mg/mL, and the feed flow rate of 100 mL/h (dilution rate 0.133 h-1). The flocculent yeast seemed to have a significant impact on the continuous ethanol production process due to its flocculent behavior. The phenomenon seemed to reduce the washout of cells with the product. 2014-03-12T07:56:56Z 2014-03-12T07:56:56Z 2013-10 Article Environmental Progress and Sustainable Energy, vol. 32(3), 2013, pages 818-823 1944-7442 http://onlinelibrary.wiley.com/doi/10.1002/ep.11641/abstract?systemMessage=Wiley+Online+Library+will+be+disrupted+Saturday%2C+15+March+from+10%3A00-12%3A00+GMT+%2806%3A00-08%3A00+EDT%29+for+essential+maintenance http://dspace.unimap.edu.my:80/dspace/handle/123456789/32625 en American Institute of Chemical Engineers (AIChE)
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Central composite design
Continuous fermentation
Date syrup
Ethanol
Flocculent yeast
Recycle tower fermenter
spellingShingle Central composite design
Continuous fermentation
Date syrup
Ethanol
Flocculent yeast
Recycle tower fermenter
Hayder Kh., Q. Ali
Mohamed Zulkali, Mohamed Daud, Prof Dr
Ethanol production from date syrup with flocculent yeast: Optimization study
description Link to publisher's homepage at https://www.aiche.org/
author2 dr.hayder_ali74@yahoo.com
author_facet dr.hayder_ali74@yahoo.com
Hayder Kh., Q. Ali
Mohamed Zulkali, Mohamed Daud, Prof Dr
format Article
author Hayder Kh., Q. Ali
Mohamed Zulkali, Mohamed Daud, Prof Dr
author_sort Hayder Kh., Q. Ali
title Ethanol production from date syrup with flocculent yeast: Optimization study
title_short Ethanol production from date syrup with flocculent yeast: Optimization study
title_full Ethanol production from date syrup with flocculent yeast: Optimization study
title_fullStr Ethanol production from date syrup with flocculent yeast: Optimization study
title_full_unstemmed Ethanol production from date syrup with flocculent yeast: Optimization study
title_sort ethanol production from date syrup with flocculent yeast: optimization study
publisher American Institute of Chemical Engineers (AIChE)
publishDate 2014
url http://dspace.unimap.edu.my:80/dspace/handle/123456789/32625
_version_ 1643802745189171200
score 13.160551

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