TECHICAL Series MATHEMATICS • INFORMATICS • PHYSICS Series PHILOLOGY Series ECONOMIC SCIENCES Sereies EDUCATIONAL SCIENCES Series LAW AND SOCIAL SCIENCES Series
The Decreasing of the Organic Acidity of Technical Olein by Esterification with Glycol
(Diminuarea aciditătii organice a oleinei tehnice prin esterificare cu glicol)
Vol LXI • No. 1/2009
Dorin Bombos*, Alina Bobaru**, Mihaela Bombos***, Cristina Dusescu*, Rodica Ganea*, Emil Zaharia****
* Universitatea Petrol – Gaze din Ploiesti, Bd. Bucuresti nr. 39, Ploiesti
e-mail: dorin_bombos@yahoo.com
** Institutul National de Cercetare Dezvoltare pentru Chimie si Petrochimie ICECHIM Bucuresti, Splaiul Independentei nr. 202, Bucuresti
*** S.C. ZECASIN S.A., Splaiul Independetei nr. 202, Bucuresti
**** S.C. Atica Chemicals S.R.L., Str. Cazanesti nr. 202, Râmnicu-Vâlcea

 Keywords   fatty, esterification, catalysis, glycerol.

 Abstract
The aim of this paper was to diminish the organic acidity of the residual fatty acid mixtures to make them able to be used as a component for emulsified fuels. For this reason, the residual fatty acid mixture, technical olein, was esterified directly with glycol, on different catalysts, at relatively high temperature. The proposed process conducts us to satisfactory results, limited by the presence of resins in technical olein.

 Rezumat
În această lucrare s-a urmărit scăderea acidităţii organice a amestecurilor de acizi graşi reziduali în vederea folosiri acestora drept component pentru combustibilii de focare. În acest scop amestecul de acizi graşi reziduali, oleina tehnică, a fost supusă esterificării directe cu glicerină, pe diferiţi catalizatori, la temperatură relativ ridicată. Procedeul propus a condus la rezultate satisfăcătoare, limitate totuşi de prezenţa compuşilor răşinoşi din oleina tehnică.



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