Observation of biogas production by sugarcane bagasse and food waste in different composition combinations

Neelam Vats, Abid Ali Khan and Kafeel Ahmad

Energy, 2019, vol. 185, issue C, 1100-1105

Abstract: This paper present the results of a batch study on thermal-acid pre-treated sugarcane bagasse (SB) and food waste (FW) as the substrate with waste activated sludge (WAS) as inoculum. Experiments were conducted in six different batch reactors under ambient condition. Each batch reactor was fed with varied substrate ratio (mixture of SB+FW) maintaining inoculum constant (225 mL) to investigate the highest methane generation. The thermal acid pre-treated sugarcane bagasse (SB) with food waste at mixture ratio (SB: FW∼ 35:65) had resulted the maximum biogas production of 7338 mL followed by (SB: FW ∼ 50:50) - 6747 mL and (SB: FW ∼ 100:0) - 4040 mL. The maximum reduction in Total Solids (TS) concentration was achieved 57% at mixture ratio of [SB: FW ∼ 65:35] followed by 44%from [SB: FW ∼ 85:15] and 41% from [SB: FW∼100:0]. Thermal acid pre-treated sugarcane bagasse produced 81% higher biogas generation at mixture ratio of [SB: FW ∼ 100:0], 63% at [SB: FW ∼ 50:50] and 22% at [SB: FW ∼ 35:65] and results obtained for biogas generation were modelled using Gompertz and logistic model and fitted well.

Keywords: Anaerobic digestion; Biogas; Sugarcane bagasse; Thermal-acid pre-treatment (search for similar items in EconPapers)
Date: 2019
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Citations: View citations in EconPapers (4)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:185:y:2019:i:c:p:1100-1105

DOI: 10.1016/j.energy.2019.07.080

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