Optimization of Bio-Hydrogenated Kerosene from Refined Palm Oil by Catalytic Hydrocracking

Praepilas Dujjanutat, Arthit Neramittagapong and Pakawadee Kaewkannetra
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Praepilas Dujjanutat: Graduate School of Khon Kaen University, Khon Kaen 40002, Thailand
Arthit Neramittagapong: Department of Chemical Engineering, Faculty of Engineering, Khon Kaen University, Khon Kaen 40002, Thailand
Pakawadee Kaewkannetra: Center of Alternative Energy Research and Development (AERD), Faculty of Engineering, Khon Kaen University, Khon Kaen 40002, Thailand

Energies, 2019, vol. 12, issue 16, 1-15

Abstract: In this work, hydro-processing was used as an alternative route for producing bio-hydrogenated kerosene (BHK) from refined bleached deodorized palm oil (RPO) in the presence of a 0.5 wt% Pd/Al 2 O 3 catalyst. The Box-Behnken Design was used to determine the effects of reaction temperature, H 2 pressure, and reaction time in terms of liquid hourly space velocity (LHSV) on BHK production. The kerosene selectivity was used as the response for staticial interpretation. The results show that both temperature and LHSV produced significant effects, whereas H 2 pressure did not. The optimal conditions were found to be 483 °C, 5.0 MPa, and 1.4 h −1 LHSV; these conditions provided approximately 57.30% kerosene selectivity and a 47.46% yield. The BHK product had a good heating value and flash point. However, the mass percentage of carbon and hydrogen was 99.1%, which is just below the minimum standard (99.5%), according to the carbon loss by the reaction pathway to form as CO and CO 2 . Water can be produced from the reaction induced by oxygen removal, which results in a high freezing point.

Keywords: hydrocracking reaction; bio-hydrogenated kerosene (BHK); refined bleached deodorized palm oil (RPO); Box-Behnken Design (BBD); kerosene (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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