Mesophilic batch anaerobic digestion from fruit fragments

Adhitya Pitara Sanjaya, Muhammad Nur Cahyanto and Ria Millati

Renewable Energy, 2016, vol. 98, issue C, 135-141

Abstract: Fresh ripe and rotten fruits including oranges, mangosteen, bananas, and rambutan were separated into its fragments, i.e., peel, pulp, and seed in order to determine the rates and yield of their conversion into methane. Methane production from each of the components of the fruit was carried out under mesophilic conditions (35 °C) using 120 ml-glass serum bottles during 60 days of incubation. The effectiveness of the anaerobic digestion was expressed using the value of digestibility. The level of methane yield from the tested fruit fractions was in the order of seed > pulp > peel. The methane yields from the seed, pulp, and peel were in the range of 504.11 ± 21.15 to 657.89 ± 63.58 ml CH4/g VS, 287.89 ± 38.79 to 468.91 ± 27.62 ml CH4/g VS, and 0.00 ± 0.00 to 202.75 ± 40.86 ml CH4/g VS, respectively. The highest digestibility was obtained from the anaerobic digestion of the seed of mangosteen, which was 99.3% and 99.4% from the fresh ripe and rotten mangosteen, respectively. The lowest digestibility was obtained from the mangosteen peel, which was 0.00%. The chemical composition, the presence of flavor compounds, and the physical structure of the fruit fragments affect the methane production.

Keywords: Methane; Fruit fraction; Orange; Mangosteen; Banana; Rambutan (search for similar items in EconPapers)
Date: 2016
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:98:y:2016:i:c:p:135-141

DOI: 10.1016/j.renene.2016.02.059

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