Assessment and Biogas Production from Leftover Food in Main Campus of Ambo University in a Batch Anaerobic Digestion
Publish place: Renewable Energy Research and Applications، Vol: 5، Issue: 2
Publish Year: 1403
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_RERA-5-2_004
تاریخ نمایه سازی: 24 آذر 1402
Abstract:
The objective of this study was to assess and evaluate the biogas yield of food wastes generated from the main campus of Ambo University's student cafeteria in a batch anaerobic digestion. Food waste from preprocessing and leftover from the student cafeteria were collected and measured. Standard techniques were used to analyze the physicochemical characteristics of the various food wastes, and the barrier solution was used to assess the amount of biogas and methane produced. The daily, weekly, monthly and yearly generated food wastes were: ۱,۲۸۳.۰۲; ۸,۸۸۳.۱۴; ۳۸, ۴۸۹.۰۶; ۲۰۴, ۴۴۸.۷۸kg respectively and the rate of generation of food waste was ۰.۳۷kg/capita/day. The moisture content ranged from ۳.۴±۰.۷۸% to ۹۳.۱۱±۰.۳۰%; total solids from ۶.۹±۰.۳۰% to ۹۶.۶±۰.۷۲%, VS of TS ۸۲.۱±۰.۵۹% to ۹۸.۱±۰.۷۵%; OC from ۴۵.۶±۰.۳۳% to ۵۴.۵±۰.۰۲%, C:N from ۳۳.۸% to ۲۰.۰۳±۰.۳%. The highest average biogas and percentage of methane were measured from FLM (۱۲۵۰۰±۳۰۷.۱۶ml and (۸۱.۶۵±۲.۵۸%) respectively while, the lowest average total biogas and percentage of methane were from the FPK (۸۵۹۰.۳۳±۲۶۰.۷۷ml and (۶۷.۱۵±۲.۴۷%) respectively. The findings of this study revealed that the high quantity of food waste that was readily available at the study site and that could potentially be converted into high quantity and high-quality bio-methane which could serve two purposes: producing of bio-fuels and reducing environmental degradation from the open disposal of food waste.
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Authors
Asefa Negassa
Department of Biology, College of Natural and Computational Sciences, Ambo University, Ambo, Ethiopia.
addisu turura
Dire-hinchini Distinct administrative office, Western Showa, Ethiopia.
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