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Anaerobic treatment of glycerol for methane and hydrogen production

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dc.contributor.author Vlassis, T en
dc.contributor.author Antonopoulou, G en
dc.contributor.author Stamatelatou, K en
dc.contributor.author Lyberatos, G en
dc.date.accessioned 2014-03-01T02:07:38Z
dc.date.available 2014-03-01T02:07:38Z
dc.date.issued 2012 en
dc.identifier.issn 11084006 en
dc.identifier.uri https://dspace.lib.ntua.gr/xmlui/handle/123456789/29602
dc.relation.uri http://www.scopus.com/inward/record.url?eid=2-s2.0-84862990188&partnerID=40&md5=a2be5c49a00285a1217fc99e394426af en
dc.subject Anaerobic digestion en
dc.subject Biogas en
dc.subject Biohydrogen en
dc.subject Fermentative hydrogen production en
dc.subject Glycerol en
dc.subject Initial glycerol concentration en
dc.subject Initial pH en
dc.subject Methane en
dc.title Anaerobic treatment of glycerol for methane and hydrogen production en
heal.type journalArticle en
heal.publicationDate 2012 en
heal.abstract This work focused on glycerol exploitation for biogas and hydrogen production. Anaerobic digestion of pure glycerol was studied in a continuous stirred tank reactor (CSTR), operated under mesophilic conditions (35°C) at various organic loading rates. The overall operation of the reactor showed that it could not withstand organic loading rates above 0.25 g COD L-1 d-1, where the maximum biogas (0.42 ± 0.05 L (g COD)-1) and methane (0.30 ± 0.04 L (g COD)-1) production were achieved. Fermentative hydrogen production was carried out in batch reactors under mesophilic conditions (35°C), using heat-pretreated anaerobic microbial culture as inoculum. The effects of initial concentration of glycerol and initial pH value on hydrogen production were studied. The highest yield obtained was 22.14 ± 0.46 mL H2 (g COD added)-1 for an initial pH of 6.5 and an initial glycerol concentration of 8.3 g COD L-1. The main metabolic product was 1.3 propanediol (PDO), while butyric and acetic acids as well as ethanol, at lower concentrations, were also determined. © 2012 Global NEST. en
heal.journalName Global Nest Journal en
dc.identifier.volume 14 en
dc.identifier.issue 2 en
dc.identifier.spage 149 en
dc.identifier.epage 156 en


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