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Orange peel pretreatment in a novel lab-scale direct steam-injection apparatus for ethanol production.

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Title: Orange peel pretreatment in a novel lab-scale direct steam-injection apparatus for ethanol production.
Authors: Santi, G.1, Crognale, S.1, D'Annibale, A.1, Petruccioli, M.1, Ruzzi, M.1, Valentini, R.1, Moresi, M.1 mmoresi@unitus.it
Source: Biomass & Bioenergy. Feb2014, Vol. 61, p146-156. 11p.
Subjects: Orange peel, Waste treatment, Injectors, Ethanol, Acid catalysts, Fermentation
Abstract: Orange peel waste (OPW) was converted into ethanol by consecutive acid-catalysed steam-explosion (ACSE), enzymatic saccharification and fermentation with Saccharomyces cerevisiae F15. The first step was performed in the presence of 0.5% (volume fraction) sulphuric acid at a solid loading of 160 g L−1 using a novel laboratory-scale Direct Steam-Injection Apparatus under different reaction temperatures and times. ACSE at 200 °C for 90 s (or 180 °C for 150 s) yielded the highest solubilization of pectin (∼73%) and a positive effect on the subsequent enzymatic hydrolysis step, that was carried out at 50 °C with an enzyme loading of 6 FPU g−1 cellulose. OPW, pretreated at 180 °C for 150 s, yielded the highest glucose solubilisation degree (∼56%) at the end of the saccharification step, and the maximum ethanol yield coefficient (∼0.495 g g−1) and productivity (4.85 g L−1 h−1) at the end of the 3rd repeated fermentation batch in shaken-flasks. [ABSTRACT FROM AUTHOR]
Copyright of Biomass & Bioenergy is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 94407676
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Orange peel pretreatment in a novel lab-scale direct steam-injection apparatus for ethanol production.
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  Data: <searchLink fieldCode="AR" term="%22Santi%2C+G%2E%22">Santi, G.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Crognale%2C+S%2E%22">Crognale, S.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22D'Annibale%2C+A%2E%22">D'Annibale, A.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Petruccioli%2C+M%2E%22">Petruccioli, M.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Ruzzi%2C+M%2E%22">Ruzzi, M.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Valentini%2C+R%2E%22">Valentini, R.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Moresi%2C+M%2E%22">Moresi, M.</searchLink><relatesTo>1</relatesTo><i> mmoresi@unitus.it</i>
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  Data: <searchLink fieldCode="JN" term="%22Biomass+%26+Bioenergy%22">Biomass & Bioenergy</searchLink>. Feb2014, Vol. 61, p146-156. 11p.
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  Data: <searchLink fieldCode="DE" term="%22Orange+peel%22">Orange peel</searchLink><br /><searchLink fieldCode="DE" term="%22Waste+treatment%22">Waste treatment</searchLink><br /><searchLink fieldCode="DE" term="%22Injectors%22">Injectors</searchLink><br /><searchLink fieldCode="DE" term="%22Ethanol%22">Ethanol</searchLink><br /><searchLink fieldCode="DE" term="%22Acid+catalysts%22">Acid catalysts</searchLink><br /><searchLink fieldCode="DE" term="%22Fermentation%22">Fermentation</searchLink>
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  Data: Orange peel waste (OPW) was converted into ethanol by consecutive acid-catalysed steam-explosion (ACSE), enzymatic saccharification and fermentation with Saccharomyces cerevisiae F15. The first step was performed in the presence of 0.5% (volume fraction) sulphuric acid at a solid loading of 160 g L−1 using a novel laboratory-scale Direct Steam-Injection Apparatus under different reaction temperatures and times. ACSE at 200 °C for 90 s (or 180 °C for 150 s) yielded the highest solubilization of pectin (∼73%) and a positive effect on the subsequent enzymatic hydrolysis step, that was carried out at 50 °C with an enzyme loading of 6 FPU g−1 cellulose. OPW, pretreated at 180 °C for 150 s, yielded the highest glucose solubilisation degree (∼56%) at the end of the saccharification step, and the maximum ethanol yield coefficient (∼0.495 g g−1) and productivity (4.85 g L−1 h−1) at the end of the 3rd repeated fermentation batch in shaken-flasks. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Biomass & Bioenergy is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1016/j.biombioe.2013.12.007
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      – Code: eng
        Text: English
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        PageCount: 11
        StartPage: 146
    Subjects:
      – SubjectFull: Orange peel
        Type: general
      – SubjectFull: Waste treatment
        Type: general
      – SubjectFull: Injectors
        Type: general
      – SubjectFull: Ethanol
        Type: general
      – SubjectFull: Acid catalysts
        Type: general
      – SubjectFull: Fermentation
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      – TitleFull: Orange peel pretreatment in a novel lab-scale direct steam-injection apparatus for ethanol production.
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            NameFull: Santi, G.
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            NameFull: Crognale, S.
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            NameFull: D'Annibale, A.
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            NameFull: Ruzzi, M.
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              Text: Feb2014
              Type: published
              Y: 2014
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              Value: 61
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