Start-up of a sequential dry anaerobic digestion of paunch under psychrophilic and mesophilic temperatures.
作者： Valentine Nkongndem Nkemka , Xiying Hao
DOI: 10.1016/J.WASMAN.2016.06.022
关键词:
摘要: The present laboratory study evaluated the sequential leach bed dry anaerobic digestion (DAD) of paunch under psychrophilic (22°C) and mesophilic (40°C) temperatures. Three reactors were operated temperature in sequence at a solid retention time (SRT) 40d with new batch started 27d into run previous one. A total six batches for 135d. results showed that DAD was efficient, reaching methane yields 126.9-212.1mLg-1 volatile (VS) VS reduction 32.9-55.5%. average daily production rate increased from 334.3mLd-1 to 571.4mLd-1 825.7mLd-1 when one, two three operation, respectively. SRT 100d performed 300d each starting after completion Improvements yield 93.9 107.3 148.3mLg-1 reductions 24.8, 30.2 38.6% obtained consecutive runs, indicating adaptation microbes In addition, it took runs reduce fatty acid accumulation observed first second trials. This demonstrates potential renewable energy recovery
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