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Title: Energy recovery from anaerobic co-digestion with pig manure and spent mushroom compost in the Mekong Delta
Authors: Nguyễn, Võ Châu Ngân
Fricke, Klaus
Keywords: Anaerobic co-digestion
Batch treatment
Semi-continuous treatment
Spent mush- room compost
Issue Date: 2012
Series/Report no.: Journal of Vietnamese Environment;3 .- p.4-9
Abstract: This study aimed at seeking for the solution to recover the energy from agriculture waste in the Mekong Delta, Vietnam. The spent mushroom compost - a residue from the mushroom growing - was chosen for co-digestion with pig manure in anaerobic batch and semi-continuous experiments. The results showed that in case of spent mushroom compost made up 75% of the mixed substrate, the gained biogas volume was not significantly different compared to the treatment fed solely with 100% pig manure. The average produced biogas was 4.1 Lₓ day⁻¹ in the experimental conditions. The semi-continuous experiments remained in good operation up to the 90ͭ ͪ day of the fermentation without any special agitating method application. The methane contents in both experiments were around 60%, which was significantly suitable for energy purposes. These results confirm that spent mushroom compost is possibly an acceptable material for energy recovery in the anaerobic fermentation process.
URI: http://localhost:8080//jspui/handle/123456789/4957
Appears in Collections:Tạp chí quốc tế

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