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Anaerobic fermentation of organic solid wastes: volatile fatty acid production and separation

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dc.contributor.authorTUĞTAŞ KARNABAT, ADİLE EVREN
dc.contributor.authorsYesil, H.; Tugtas, A. E.; Bayrakdar, A.; Calli, B.
dc.date.accessioned2022-03-13T12:44:47Z
dc.date.available2022-03-13T12:44:47Z
dc.date.issued2014
dc.description.abstractAnaerobic fermentation of organic municipal solid waste was investigated using a leach-bed reactor (LBR) to assess the volatile fatty acid (VFA) production efficiency. The leachate recycle rate in the LBR affected the VFA composition of the leachate. A six-fold increase in the recycle rate resulted in an increase of the acetic acid fraction of leachate from 24.7 to 43.0%. The separation of VFAs via leachate replacement resulted in higher total VFA production. VFA separation from synthetic VFA mix and leachate of a fermented organic waste was assessed via a counter-current flow polytetrafluoroethylene (PTFE) membrane contactor. Acetic and propionic acid permeation fluxes of 13.12 and 14.21 g/m(2).h were obtained at low feed pH values when a synthetic VFA mix was used as a feed solution. The highest selectivity was obtained for caproic acid compared to that of other VFAs when synthetic VFA mix or leachate was used as a feed solution. High pH values and the presence of suspended solids in the leachate adversely affected the permeation rate.
dc.identifier.doi10.2166/wst.2014.132
dc.identifier.eissn1996-9732
dc.identifier.issn0273-1223
dc.identifier.pubmed24845331
dc.identifier.urihttps://hdl.handle.net/11424/237646
dc.identifier.wosWOS:000338990400021
dc.language.isoeng
dc.publisherIWA PUBLISHING
dc.relation.ispartofWATER SCIENCE AND TECHNOLOGY
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectanaerobic fermentation
dc.subjectleachate
dc.subjectmembrane
dc.subjectPTFE
dc.subjectseparation
dc.subjectVFAs
dc.subjectPERVAPORATION MEMBRANES
dc.subjectSUCCINIC ACID
dc.subjectRECOVERY
dc.subjectDIGESTION
dc.subjectFRACTION
dc.subjectBROTH
dc.titleAnaerobic fermentation of organic solid wastes: volatile fatty acid production and separation
dc.typearticle
dspace.entity.typePublication
local.avesis.idfdf64750-bf7e-47d5-a985-4197dd3ac19d
local.import.packageSS17
local.indexed.atWOS
local.indexed.atSCOPUS
local.indexed.atPUBMED
local.journal.numberofpages7
oaire.citation.endPage2138
oaire.citation.issue10
oaire.citation.startPage2132
oaire.citation.titleWATER SCIENCE AND TECHNOLOGY
oaire.citation.volume69
relation.isAuthorOfPublication47f6f336-1615-461e-889e-fda145ca9761
relation.isAuthorOfPublication.latestForDiscovery47f6f336-1615-461e-889e-fda145ca9761

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