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- W3212384533 endingPage "6692" @default.
- W3212384533 startingPage "6692" @default.
- W3212384533 abstract "Wine production annually generates an estimated 11 million metric tonnes of grape marc (GM) worldwide. The diversion of this organic waste away from landfill and towards its use in the generation of renewable energy has been investigated. This study aimed to evaluate the effectiveness of operational parameters relating to the treatment regime and inoculum source in the extraction of methane from GM under unmixed anaerobic conditions at 35 °C. The study entailed the recirculation of a previously acclimated sludge (120 days) as downstream inoculum, an increased loading volume (1.3 kg) and a low substrate-to-inoculum ratio (10:3 SIR). The results showed that an incorporation of accessible operational controls can effectively enhance cumulative methane yield (0.145 m3 CH4 kg-1 VS), corresponding to higher amounts of digestible organics converted. The calculated average volumetric methane productivity equalled 0.8802 L CH4 LWork-1 d-1 over 33.6 days whilst moderate pollutant removal (43.50% COD removal efficiency) was achieved. Molecular analyses identified Firmicutes and Bacteroidetes phyla as core organisms for hydrolytic and fermentative stages in trophic relationships with terminal electron acceptors from the methane-producing Methanosarcina genus. Economic projections established that the cost-effective operational enhancements were sustainable for valorisation from grape marc by existing wineries and distilleries." @default.
- W3212384533 created "2021-11-22" @default.
- W3212384533 creator A5019163266 @default.
- W3212384533 creator A5033293345 @default.
- W3212384533 creator A5053109198 @default.
- W3212384533 date "2021-11-05" @default.
- W3212384533 modified "2023-09-25" @default.
- W3212384533 title "Dynamic Effect of Operational Regulation on the Mesophilic BioMethanation of Grape Marc" @default.
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- W3212384533 doi "https://doi.org/10.3390/molecules26216692" @default.
- W3212384533 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/8588447" @default.
- W3212384533 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/34771101" @default.
- W3212384533 hasPublicationYear "2021" @default.
- W3212384533 type Work @default.