Converting Catalytic Palm Oil (MEPO) to Produce Biogasoline Using Zeolite Faujasite Catalyst From Fly Ash with Nickel Impregnation (Ni)

Donatus Setyawan Purwo Handoko

Abstract


The process hydrocracking methyl ester of palm oil into fractions biogasoline by faujasite cata-
lyst of fly ash impregnated with nickel have been made. Preparation for faujasite synthesis of fly ash can be
done by removing organic compound and refluxing HCl. Synthesis do by melting the fly ash which has been
prepared with NaOH 1: 1.2 and in aging for 8 hours and in the hydrothermal autoclave for 24 hours. The char-
acter faujasite using XRD and Si / Al ratio produces crystallinity main peak of 67% and Si / Al ratio of 1.65.
Hydrocracking process using a variety of 4 catalyst used fly ash leaching results, faujasite, Ni-Faujasite 2%, and
Ni-Faujasite 4%. Test the activity and selectivity of the catalyst to produce liquid product analyzed by GC-MS
with the best catalyst was Ni-Faujasite 4% to yield 42.34% of the activity and selectivity of biogasoline frac-
tion of 7.12%. The impregnation of the nickel catalyst is made by soaking in salt of nickel and then oxidation
using O2 gas and reduction using H2 gas. The impregnation of nickel will affect the character of the catalyst
so that the activity and selectivity of the catalyst is changed. The impregnation of nickel 4% on faujasite suc-
cessfully done with nickel content of 3.71%, increasing Si / Al ratio of 2.27 and an acidity of 0.0035 mol/g.

Keywords


faujasite, impregnation, nickel, hydrocracking, biogasoline.

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DOI: https://doi.org/10.29017/SCOG.45.2.1187

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