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The impact of carbon to nitrogen ratios and pH on the microbial prevalence and polyhydroxybutyrate production levels using a mixed microbial starter culture

Zhou, Wen; Colpa, Dana; Geurkink, Bert; Euverink, Gerrit Jan Willem; Krooneman, Janneke (Bioconversion And Fermentation Technology)

Growth conditions have been frequently studied in optimizing polyhydroxybutyrate (PHB) production, while few studies were performed to unravel the dynamic mixed microbial consortia (MMCs) in the process. In this study, the relationship between growth conditions (C/N ratios and pH) and the corresponding …

2022-03-10AlgemeenArtikel

Co-digestion of cow and sheep manure: Performance evaluation and relative microbial activity

Li, Yu; Achinas, Spyridon; Zhao, Jing; Geurkink, Bert; Krooneman, Janneke (Bioconversion And Fermentation Technology); Euverink, Gerrit Jan Willem

This study evaluated the performance of anaerobic co-digestion of cow manure (CM) and sheep manure (SM) in both batch and continuous digesters at 37 °C. Synergistic effects of co-digesting CM and SM at varying volatile solids (VS) ratios (1:0, 0:1, 3:1, 1:1, 1:3) were observed in the batch experiment, …

2020-06AlgemeenArtikel

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The impact of carbon to nitrogen ratios and pH on the microbial prevalence and polyhydroxybutyrate production levels using a mixed microbial starter culture

Co-digestion of cow and sheep manure: Performance evaluation and relative microbial activity

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