Anaerobic upflow fixed-film bioreactor for biomethanation of salty cheese whey |
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Authors: | Priti Patel Chirag Patel Datta Madamwar |
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Institution: | (1) Post Graduate Department of Biosciences, Sardar Patel University, Vallabh Vidyanagar 388 120, Gujrat, India |
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Abstract: | In order to develop a suitable reactor for the biomethanation of high-strength salty cheese whey, the performance of anaerobic
upflow fixed-film reactors packed with different support materials, such as charcoal, gravel, brick pieces, pumicestones,
and PVC pieces, has been studied. The charcoal-bedded reactor gave the best performance, with the maximum gas production (3.3
L/L digester/d) and an enriched methane content (69% CH4). Temperature and hydraulic retention time were optimized, with the ultimate aim of improving biomethanation. Maximum gas
production (3.3 L/L digester/d) was achieved at a hydraulic retention time of 2 d at 40°C. |
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Keywords: | Salty cheese whey biomethanation anaerobic digestion methane energy fixed-film bioreactor charcoal |
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