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Ispitivanje mogućnosti korišćenja džibre iz proizvodnje bioetanola iz kukuruza

dc.creatorMojović, Ljiljana
dc.creatorPejin, Dušanka
dc.creatorRakin, Marica
dc.creatorVukašinović, Maja
dc.creatorPejin, Jelena
dc.creatorGrujić, Olgica
dc.creatorNikolić, Svetlana
dc.creatorRadosavljević, Milica
dc.date.accessioned2019-05-16T12:12:28Z
dc.date.available2019-05-16T12:12:28Z
dc.date.issued2010
dc.identifier.issn1821-4487
dc.identifier.urihttp://rik.mrizp.rs/handle/123456789/350
dc.description.abstractBioethanol produced by fermentation of biomass, such as sugar, starch, or lignocellulosic materials, is one of the most important renewable energy resources. An average thin stillage amount produced in the bioethanol process is approximately 13 hL per hL of bioethanol. An adequate utilization of the stillage is of great importance in order to improve the economy of the bioethanol production. The aim of this paper was to study the possibilities of stillage utilization from the process of bioethanol production from corn. For this purpose the recirculation of thin stillage in the amount of 10-30% in mashing process was studied, while the solid phase remained after filtration was assessed for animal feed. The results have shown that the ethanol yield in the process can be significantly increased by the recirculation. The dry matter content in the slurry after the fermentation also increased with the increasing amount of recirculated stillage. Chemical composition of solid stillage remained after fermentation as well as of the solid stillage enriched with yeast (1 %of dry Saccharomyces cerevisiae yeast) was studied. The stillage enriched with yeast had a greater amount of proteins and generally can be used as a high quality feed.en
dc.description.abstractBioetanol proizveden postupkom fermentacije biomase na bazi šećera, skroba ili lignoceluloze predstavlja jedan od najznačajnijih obnovljivih izvora energije. Prilikom proizvodnje 1 hL etanola nastaje oko 13 hl bistre džibre. Da bi se povećala ekonomičnost ovog postupka od izuzetne važnosti je da se džibra koja nastaje kao otpadni proizvod adekvatno valorizuje. Cilj ovog rada je da se ispitaju mogućnosti iskorišćavanja džibre nastale prilikom proizvodnje bioetanola na kukuruzu. U radu je ispitivana recirkulacije bistre džibre u količini od 10-30% u fazu ukomljavanja kukuruza za proizvodnju etanola, dok je zaostala čvrsta faza nakon filtracije razmatrana za korišćenje u ishrani stoke. Utvrđeno je da se recirkulacijom može značajno povećati koncentracija etanola u proizvodnom procesu. Sadržaj suve materije u džibri zaostaloj nakon fermentacije se takodje povećavao sa povećanjem količine recirkulisane bistre džibre. U radu je ispitan hemijski sastav čvrste džibre i džibre obogaćene kvascem (1 % suvog Saccharomyces cerevisiae kvasca) i analizirana nutritivna vrednost ovih uzoraka. Džibra obogaćena kvascem je imala značajno veći sadržaj proteina i generalno se može koristiti kao visoko kvalitetna hrana za životinje.sr
dc.publisherNacionalno društvo za procesnu tehniku i energetiku u poljoprivredi, Novi Sad
dc.relationinfo:eu-repo/grantAgreement/MESTD/MPN2006-2010/18002/RS//
dc.rightsopenAccess
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.sourceJournal on Processing and Energy in Agricultureen
dc.subjectstillageen
dc.subjectbioethanolen
dc.subjectrecirculationen
dc.subjectanimal feeden
dc.subjectdžibrasr
dc.subjectbioetanolsr
dc.subjectrecirkulacijesr
dc.subjectstočna hranasr
dc.titleInvestigations of the possibilities of stillage utilization from the bioethanol production on cornen
dc.titleIspitivanje mogućnosti korišćenja džibre iz proizvodnje bioetanola iz kukuruzasr
dc.typearticle
dc.rights.licenseBY
dc.citation.volume14
dc.citation.issue1
dc.citation.spage54
dc.citation.epage57
dc.citation.other14(1): 54-57
dc.citation.rankM51
dc.identifier.fulltexthttp://rik.mrizp.rs//bitstream/id/2281/348.pdf
dc.identifier.rcubhttps://hdl.handle.net/21.15107/rcub_rik_350
dc.type.versionpublishedVersion


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