Small temperature differences can improve the performance of mesophilic sludge-based digesters.
作者： Maja Nielsen , Christian Holst-Fischer , Bjørn Malmgren-Hansen , Michael Bjerg-Nielsen , Caroline Kragelund
DOI: 10.1007/S10529-017-2418-Y
关键词:
摘要: To assess the effect of small temperature increases in mesophilic sludge-based digesters order to develop and evaluate strategies for improving biogas production full-scale digesters. Methane was strongly affected by differences, this result consistent across samples from 15 The specific methane yield varied between 42 97.5 ml g VS−1 after 15 days incubation at 35 °C, improved when increasing digester 39 °C. Only a limited quantity additional gas required balance out cost heating positive energy obtained. Further temperature, some cases, negatively operated 42 °C compared Small should be applied optimize is applicable lower range.
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