A protocol was developed for determining the biochemical methane potential (BMP) of plant material using the OxiTop® system. NaOH pellets for CO2 absorption and different pretreatment methods were tested for their influence in the BMP test. The use of NaOH pellets in the headspace of the bottle negatively affected the stability of the test increasing the pH and inhibiting methanization. Sample comminution increased the biodegradability of plant samples. Our results clearly indicate the importance of test conditions during the assessment of anaerobic biodegradability of plant material, considering BMP differences as high as 44% were found. Guidelines and recommendations are given for screening plant material suitable for anaerobic digestion using the OxiTop® system.
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Research Article|
October 01 2012
An OxiTop® protocol for screening plant material for its biochemical methane potential (BMP) Available to Purchase
C. P. Pabón Pereira;
1Universidad Adolfo Ibañez, Facultad de Ingeniería y Ciencias, Diagonal Las Torres 2640 Peñalolén, 7941169 Santiago de Chile, Chile
2Wageningen University, Agrotechnology and Food Sciences Group, Sub-department of Environmental Technology, P.O. Box 8129, 6700 EV Wageningen, The Netherlands
E-mail: [email protected]
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G. Castañares;
G. Castañares
2Wageningen University, Agrotechnology and Food Sciences Group, Sub-department of Environmental Technology, P.O. Box 8129, 6700 EV Wageningen, The Netherlands
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J. B. van Lier
J. B. van Lier
3Department of Water Management, Section Sanitary Engineering, Delft University of Technology, Faculty of Civil Engineering and Geosciences, P.O. Box 5048, 2600 GA Delft, The Netherlands
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Water Sci Technol (2012) 66 (7): 1416–1423.
Article history
Received:
May 30 2011
Accepted:
April 25 2012
Citation
C. P. Pabón Pereira, G. Castañares, J. B. van Lier; An OxiTop® protocol for screening plant material for its biochemical methane potential (BMP). Water Sci Technol 1 October 2012; 66 (7): 1416–1423. doi: https://doi.org/10.2166/wst.2012.305
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