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Performance of and methanogenic communities involved in an innovative anaerobic process for the treatment of food wastewater in a pilot plant

Performance of and methanogenic communities involved in an innovative anaerobic process for the treatment of food wastewater in a pilot plant

Bioscience Biotechnology and Biochemistry 79(8): 1378-1383

In this study, dual-cylindrical anaerobic digesters were designed and built on the pilot plant scale for the improvement of anaerobic digestion efficiency. The removal efficiency of organics, biogas productivity, yield, and microbial communities was evaluated as performance parameters of the digester. During the stable operational period in the continuous mode, the removal efficiencies of chemical oxygen demand and total solids were 74.1 and 65.1%, respectively. Biogas productivities of 63.9 m(3)/m(3)-FWW and 1.3 m(3)/kg-VSremoved were measured. The hydrogenotrophic methanogen orders, Methanomicrobiales and Methanobacteriales, were predominant over the aceticlastic methanogen order, Methanosarcinaceae, probably due to the tolerance of the hydrogenotrophs to environmental perturbation in the field and their faster growth rate compared with that of the aceticlastics.

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Accession: 058527902

Download citation: RISBibTeXText

PMID: 25744534

DOI: 10.1080/09168451.2015.1018122

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