期刊
JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY
卷 88, 期 6, 页码 1175-1181出版社
WILEY
DOI: 10.1002/jctb.3940
关键词
Biodiesel; olive pomace oil; two-step acid base homogenous catalyzed transesterification; high FFAs content; low cost feedstock
The objective of this work was to study the two-step acid base homogenous catalyzed transesterification of olive pomace oil, with the ultimate purpose of producing biodiesel under mild reaction conditions by optimizing the process. Optimization of the experimental procedure was conducted by a factorial design of 23 under the acidic pretreatment step and during the basic transesterification. The optimal production of methyl esters (97.8%) was achieved for the experimental conditions H2SO4=20 wt%/CH3OH=35:1/T=40 degrees C and KOH=0.6+ fatty acid value /CH3OH=9:1/ T=60 degrees C, in the acidic and basic stage of the process, respectively. Finally, to properly assess the quality of the biofuel produced, it was tested for all the European Standard properties.
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