Characterization of Food Waste from a Campus Canteen as Potential Feedstock for Biogas Production

Riadi, Lieke and Fransiscus, Yunus and Simangunsong, Tuani Lidiawati and Suhud, Farida (2020) Characterization of Food Waste from a Campus Canteen as Potential Feedstock for Biogas Production. Journal of Engineering and Technological Sciences, 52 (6). pp. 867-880. ISSN 2338-5502

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Official URL / DOI: http://dx.doi.org/10.5614%2Fj.eng.technol.sci.2020...

Abstract

Food waste collected from the Ubaya canteen was characterized for its potential for use as anaerobic feedstock. It was collected for 3 weeks on a daily basis and treated with 2 different pretreatments, i.e. mechanic and mechanicthermal. The result showed that the physical and chemical properties of the food waste in the 3-week time period of collecting were not significantly different for both pretreatments. The VS/TS ratio was around 96.4% to 97.076% and C/N was in the range of 17.295 to 17.813 for the mechanic and mechanic-thermal treatments. Four semi-batch mesophilic anaerobic digesters were used in this study, with 1.215 gVS/L fed once (R1) and twice daily (R3); 2.43 gVS/L fed once (R2) and twice daily (R4). The maximum methane yield was determined to be 64.61 mL/gVS in R1 after 5 days of incubation and 57.41 mL/gVS in R3 after 4 days of incubation. Systems R2 and R4 showed maximum methane yields of 43.15 mL/gVS and 19.1 mL/gVS respectively.

Item Type: Article
Uncontrolled Keywords: anaerobic digestion; biogas introduction; characteristics; feeding frequency; food waste; organic loading rate.
Subjects: T Technology > TP Chemical technology
Divisions: Faculty of Engineering > Department of Chemical Engineering
Depositing User: Lieke Riadi 6116
Date Deposited: 04 Jan 2021 02:02
Last Modified: 01 Apr 2021 08:58
URI: http://repository.ubaya.ac.id/id/eprint/38685

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