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- Title
Potential improvement of biogas production from fallen teak leaves with co-digestion of microalgae.
- Authors
Wannapokin, Anongnart; Ramaraj, Rameshprabu; Whangchai, Kanda; Unpaprom, Yuwalee
- Abstract
Biogas production from anaerobic co-digestion of fallen teak leaves (<italic>Tectona grandis</italic>) and microalgae (<italic>Chlorella vulgaris</italic>) were investigated. In this study, teak leaves and algae mixtures with or without pretreatment were used as the substrates and digested in 1-L of anaerobic fermenter, then optimal conditions were performed in 6-L fermenter. Pretreatment was performed using sodium hydroxide (NaOH) solution (w/v) at different conditions (0, 2, 3 and 4%), with different total solid (TS) ratios (10, 15 and 20%). The digesters were placed in an incubator at 34–36 °C for 45 days. The results showed that the co-digestion of pretreated (10% TS with 2% NaOH) of teak leaves and algae was significantly higher in terms of biodegradability of TS, VS, COD along with biogas yield, methane potential and highest yield was achieved 71.90% than those obtained by mono-digestion. Thus, results demonstrated that anaerobic fermentation of teak leaves and microalgae in digester system could get as high methane yield.
- Subjects
BIOGAS production; MICROALGAE; SODIUM hydroxide; CHLORELLA vulgaris; BIODEGRADATION of plant litter
- Publication
3 Biotech, 2018, Vol 8, Issue 2, p0
- ISSN
2190-572X
- Publication type
Article
- DOI
10.1007/s13205-018-1084-7