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Latest Issue of “ International Journal of Membrane Science and Technology” has published. Visit link; “ Latest Issue" ....! Special Issue of “International Journal of Membrane Science and Technology” is scheduled for Feb-2022..! Kindly Visit link: “Special Issues for IJMST”

Abstract: Hydrocracking of Waste Cooking Oil as Renewable Fuel on NiW/SiO2-Al2O3 Catalyst

Journal of Advanced Catalysis Science and Technology (Volume 2 Issue 1)
Hydrocracking of Waste Cooking Oil as Renewable Fuel on NiW/SiO₂-Al₂O₃ Catalyst
Pages 27-37 S.A. Hanafi, M.S. Elmelawy, H.A. El-Syed and Nasser H. Shalaby DOI: http://dx.doi.org/10.15379/2408-9834.2015.02.01.3 Published: 4 March 2015
Abstract
Considering the plant-derived oil as a renewable source for production of alternative fuel, the waste cooking oil (WCO) was directly converted in this work as an alternative fuel by using the commercially available NiW/SiO2-Al2O3 hydrocracking catalyst. This conversion was performed in a fixed bed flow reactor at varying operating conditions of temperature (375-450°C), pressure (2, 6 MPa), and LHSV (1, 2, 4h-1). The H2/WCO ratio was kept constant at 400 V/V. The distribution of fuel fractions was evaluated via ASTM distillation. The GC was used for analysis of individual hydrocarbon products. The FTIR was used to investigate the progress of oil conversion. The results showed that the catalytic hydrocracking of WCO generates fuels that have chemical and physical properties comparable to those specified for petroleum-based fuels. The amount of kerosene/diesel fractional product decreased with increasing the temperature and pressure and decreasing the LHSV; while gasoline fuel increased. The reaction was found to follow the second order mechanism, where the estimated activation energy Ea was 56 kj mol-1.
Keywords
Hydrocracking, Waste cooking oil, Renewable fuel production.

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