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Optimization of Bio-Methane Production from Mesophilic Anaerobic Co-digestion of Pig Manure and Vegetable Residue
| Content Provider | Semantic Scholar |
|---|---|
| Author | Pannucharoenwong, Nattadon |
| Copyright Year | 2018 |
| Abstract | This paper aims to investigate the effect of alkaline pretreatment concentration, composition of organic waste, and organic loading rate on anaerobic digestion of mixed waste, consisting of pig manure and vegetable waste, on the production of bio-methane. Experiments were conducted in a 60 L semi-continuous polyethylene digester at ambient temperature using water displacement technique to monitor gas production. The optimized pretreatment and methane production conditions were found to be 2.0% (w/w) NaOH concentration, organic loading rate of 1.2 kg VS m d and vegetable residual or 20 % in the organic waste. The amount of methane achieved at this optimized condition is 0.691 m kgVS. A second order polynomial equation was formulated to solve for the amount of methane produced. Predicted acquired from this formula was found to have a R of 97.7% which indicate that the predicted results were closed to the actual data obtained from the experiment. It can be concluded from Box-Behnken design experiment that the pretreatment of vegetable residual with NaOH solution have a positive effect on the production of methane. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | https://www.ripublication.com/ijaer18/ijaerv13n4_26.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
