TECHICAL Series MATHEMATICS • INFORMATICS • PHYSICS Series PHILOLOGY Series ECONOMIC SCIENCES Sereies EDUCATIONAL SCIENCES Series LAW AND SOCIAL SCIENCES Series
Study Of Bioethanol Conversion in Aliphatic Hydrocarbons on Zeolite Catalysts
(Universitatea ?Petrol ?Gaze? din Ploiesti e-mail: aborcea@upg-ploiesti.ro)
Vol LX • No. 4/2008
Anca-Florentina Borcea, Traian Jugănaru, Oana Mihai, Vasile Matei, Daniela Luminiţa Movileanu, Dorin Bomboş, Daniela Popovici
Universitatea ?Petrol ?Gaze? din Ploiesti
e-mail: aborcea@upg-ploiesti.ro

 Keywords   bioethanol, zeolite catalysts, Pd-ZSM-5, C1-C4 aliphatic hydrocarbons

 Abstract
Bioethanol conversion has been studied on zeolite catalysts ZSM-5 type, simple and modified by impregnation with hydrogenating function metals. The study carried on in micropilot laboratory installation in catalyst fixed bed. Operation conditions were: temperature range 350-450C, pressure range 1-50 bar, hourly space velocities range for ethanol 0.5-2 h -1. The reaction carried on in nitrogen inert atmosphere and in the presence of hydrogen. Reaction products were collected as gaseous fraction and analyzed by gas-chromatography to establish the composition as C1-C4 fraction, alkanes and alkenes. It was emphasized the influence of operating parameters catalysts type on C1-C4 compounds distribution in gaseous products.

 Rezumat
Conversia bioetanolului a fost studiată pe catalizatori zeolitici de tipul ZSM-5, simpli şi modificaţi prin impregnare cu metale cu funcţie hidrogenantă. Experimentele au fost efectuate pe o instalaţie micropilot cu catalizator în pat fix. Condiţiile de operare au fost: temperaturi cuprinse între 350-450C, presiuni cuprinse între 1-50 bar, viteze volumare pentru etanol 0,5-2 h -1. Reacţiile au avut loc în atmosferă inertă de azot şi în prezenţa hidrogenului. Produşii de reacţie au fost colectaţi ca fracţie gazoasă şi analizaţi gaz-cromatografic pentru a stabili compoziţia fracţiilor C1-C4 (ca alcani şi alchene). A fost evidenţiată influenţa condiţiilor de operare şi a tipului de catalizator asupra distribuţiei produşilor de reacţie gazoşi.



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