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首页> 外文OA文献 >Anaerobic co-digestion of vegetal oil and thickened waste-activated sludge: Effects on biogas production and microbial community structure
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Anaerobic co-digestion of vegetal oil and thickened waste-activated sludge: Effects on biogas production and microbial community structure

机译：厌氧消化植物油和增稠的废物活化污泥：对沼气生产和微生物群落结构的影响

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摘要

Thickened waste-activated sludge (tWAS) was co-digested with vegetal oil in a continuous 50 L digester. Compared to a digester fed with only tWAS, the biogas production increased as expected due to the addition of oil: about 60 % for an oil load of 10-15 % of the volatile solids (VS) load and a triplication for an oil load of 37-44%. Using 454 pyrosequencing, the microbial community structure was analyzed and visualised in a non-metric multidimensional scaling. The community of the Bacteria in the two digesters, which accounts up to 97% of the operational taxonomic units shifted into two distinct structures which exhibited a relative stabilization
机译：在连续的50 L蒸煮器中，将增稠的废物活化污泥（tWAS）与植物油共同消化。与仅添加tWAS的蒸煮器相比，由于添加了油，沼气的产量按预期增加了：油负荷为挥发性固体（VS）负荷的10-15％时，沼气产量约为60％； 37-44％。使用454焦磷酸测序，对微生物群落结构进行了分析，并以非度量多维标度进行了可视化。两个消化池中的细菌群落（占操作分类单元的97％）转移为两个相对稳定的结构

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