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首页> 外文期刊>Bioresource Technology: Biomass, Bioenergy, Biowastes, Conversion Technologies, Biotransformations, Production Technologies >Anaerobic co-digestion of waste activated sludge and greasy sludge from flotation process: Batch versus CSTR experiments to investigate optimal design
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Anaerobic co-digestion of waste activated sludge and greasy sludge from flotation process: Batch versus CSTR experiments to investigate optimal design

机译：浮选过程中产生的废活性污泥和油脂污泥的厌氧共消化：分批与CSTR实验研究最佳设计

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In this study, the maximum ratio of greasy sluvdge to incorporate with waste activated sludge was investigated in batch and CSTR experiments. In batch experiments, inhibition occurred with a greasy sludge ratio of more than 20-30% of the feed COD. In CSTR experiments, the optimal greasy sludge ratio was 60% of the feed COD and inhibition occurred above a ratio of 80%. Hence, batch experiments can predict the CSTR yield when the degradation phenomenon are additive but cannot be used to determine the maximum ratio to be used in a CSTR configuration. Additionally, when the ratio of greasy sludge increased from 0% to 60% of the feed COD, CSTR methane production increased by more than 60%. When the greasy sludge ratio increased from 60% to 90% of the feed COD, the reactor yield decreased by 75%.
机译：在这项研究中，在批处理和CSTR实验中研究了油性泥浆与废活性污泥结合的最大比例。在分批实验中，油性污泥比率超过进料COD的20-30％时，会产生抑制作用。在CSTR实验中，最佳的油脂污泥比率为进料COD的60％，当比率超过80％时会产生抑制作用。因此，当降解现象是累加的但不能用于确定要在CSTR配置中使用的最大比例时，分批实验可以预测CSTR的产量。另外，当油脂污泥的比例从原料COD的0％增加到60％时，CSTR甲烷产量增加了60％以上。当含油污泥的比例从进料COD的60％增加到90％时，反应器的收率降低了75％。

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