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Biogas production from different food waste using small-scale floating-drum-type anaerobic digester.

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Title: Biogas production from different food waste using small-scale floating-drum-type anaerobic digester.
Authors: Shehata, M.1 (AUTHOR) moustafa.shehata@eng.psu.edu.eg, Elsayed, Y.1 (AUTHOR), Mohamed, A. M. I.1 (AUTHOR), Ismail, M. S.2 (AUTHOR), Walker, M.2 (AUTHOR), Ibrahim, I. A.1,3 (AUTHOR)
Source: Bioprocess & Biosystems Engineering. Jan2026, Vol. 49 Issue 1, p69-80. 12p.
Subjects: Biogas, Anaerobic digestion, Potato waste, Methane, Food industry, Food waste, Fish waste
Abstract: The generation of food waste poses an escalating societal challenge. Anaerobic digestion emerges as a sustainable and eco-friendly method for valorization and disposal. A small-scale floating-drum-type digester was developed, operating in batch mode to harness biogas from three distinct food waste categories. Potato waste, leftover cooked food, and fish waste were utilized as feedstock, maintained at an average temperature of 21 °C for a retention time of 10 days, with cow manure serving as the inoculum source. The advances of the current work are built upon comparing biogas production volume and methane content from mono-anaerobic digestion of these various wastes. Examining cow manure and different substrate samples offers insights into their composition, encompassing total solids, C/N ratio, and pH. Shredded raw wastes were wet fed into the digester at a 1:1 waste/water ratio. Cumulative production of biogas and the methane fraction from two experiments were monitored. The maximum average cumulative biogas production per kg of total solid was observed for leftover cooked food (up to 261.4 L/kgTS), followed by fish waste (up to 248.5 L/kgTS) and potato waste (up to 137.15 L/kgTS). The maximum methane percentage occurred in fish waste displaying the highest methane percentage (74%), trailed by leftover cooked food (59%) and potato waste (55.8%) from both experiments. [ABSTRACT FROM AUTHOR]
Copyright of Bioprocess & Biosystems Engineering is the property of Springer Nature 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.)
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DbLabel: Engineering Source
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  Data: Biogas production from different food waste using small-scale floating-drum-type anaerobic digester.
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  Data: <searchLink fieldCode="AR" term="%22Shehata%2C+M%2E%22">Shehata, M.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> moustafa.shehata@eng.psu.edu.eg</i><br /><searchLink fieldCode="AR" term="%22Elsayed%2C+Y%2E%22">Elsayed, Y.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Mohamed%2C+A%2E+M%2E+I%2E%22">Mohamed, A. M. I.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ismail%2C+M%2E+S%2E%22">Ismail, M. S.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Walker%2C+M%2E%22">Walker, M.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ibrahim%2C+I%2E+A%2E%22">Ibrahim, I. A.</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Bioprocess+%26+Biosystems+Engineering%22">Bioprocess & Biosystems Engineering</searchLink>. Jan2026, Vol. 49 Issue 1, p69-80. 12p.
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  Data: <searchLink fieldCode="DE" term="%22Biogas%22">Biogas</searchLink><br /><searchLink fieldCode="DE" term="%22Anaerobic+digestion%22">Anaerobic digestion</searchLink><br /><searchLink fieldCode="DE" term="%22Potato+waste%22">Potato waste</searchLink><br /><searchLink fieldCode="DE" term="%22Methane%22">Methane</searchLink><br /><searchLink fieldCode="DE" term="%22Food+industry%22">Food industry</searchLink><br /><searchLink fieldCode="DE" term="%22Food+waste%22">Food waste</searchLink><br /><searchLink fieldCode="DE" term="%22Fish+waste%22">Fish waste</searchLink>
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  Data: The generation of food waste poses an escalating societal challenge. Anaerobic digestion emerges as a sustainable and eco-friendly method for valorization and disposal. A small-scale floating-drum-type digester was developed, operating in batch mode to harness biogas from three distinct food waste categories. Potato waste, leftover cooked food, and fish waste were utilized as feedstock, maintained at an average temperature of 21 °C for a retention time of 10 days, with cow manure serving as the inoculum source. The advances of the current work are built upon comparing biogas production volume and methane content from mono-anaerobic digestion of these various wastes. Examining cow manure and different substrate samples offers insights into their composition, encompassing total solids, C/N ratio, and pH. Shredded raw wastes were wet fed into the digester at a 1:1 waste/water ratio. Cumulative production of biogas and the methane fraction from two experiments were monitored. The maximum average cumulative biogas production per kg of total solid was observed for leftover cooked food (up to 261.4 L/kgTS), followed by fish waste (up to 248.5 L/kgTS) and potato waste (up to 137.15 L/kgTS). The maximum methane percentage occurred in fish waste displaying the highest methane percentage (74%), trailed by leftover cooked food (59%) and potato waste (55.8%) from both experiments. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Bioprocess & Biosystems Engineering is the property of Springer Nature 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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      – SubjectFull: Potato waste
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              Text: Jan2026
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