Hydrocracking of vacuum gas oil-vegetable oil mixtures for biofuels production

Hydrocracking of vacuum gas oil (VGO) - vegetable oil mixtures is a prominent process for the production of biofuels. In this work both pre-hydrotreated and non-hydrotreated VGO are assessed whether they are suitable fossil components in a VGO-vegetable oil mixture as feed-stocks to a hydrocracking...

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Bibliographic Details
Published in:Bioresource technology 2009-06, Vol.100 (12), p.3036-3042
Main Authors: Bezergianni, Stella, Kalogianni, Aggeliki, Vasalos, Iacovos A.
Format: Article
Language:English
Subjects:
Bioelectric Energy Sources
Biofuel production
Biofuels
Biological and medical sciences
Biotechnology
Complex Mixtures - chemistry
Energy
Fuel Oils
Fundamental and applied biological sciences. Psychology
Hydrocracking
Industrial applications and implications. Economical aspects
Plant Oils - chemistry
renewable energy sources
Vacuum
Vegetable oil
Water - chemistry
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Summary:Hydrocracking of vacuum gas oil (VGO) - vegetable oil mixtures is a prominent process for the production of biofuels. In this work both pre-hydrotreated and non-hydrotreated VGO are assessed whether they are suitable fossil components in a VGO-vegetable oil mixture as feed-stocks to a hydrocracking process. This assessment indicates the necessity of a VGO pre-hydrotreated step prior to hydrocracking the VGO-vegetable oil mixture. Moreover, the comparison of two different mixing ratios suggests that higher vegetable oil content favors hydrocracking product yields and qualities. Three commercial catalysts of different activity are utilized in order to identify a range of products that can be produced via a hydrocracking route. Finally, the effect of temperature on hydrocracking VGO-vegetable oil mixtures is studied in terms of conversion and selectivity to diesel, jet/kerosene and naphtha.
ISSN:0960-8524
1873-2976
DOI:10.1016/j.biortech.2009.01.018