KARAKTERISTIK PROSES HIDROKONVERSI KATALITIK DENGAN BAHAN BAKU BITUMEN

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Yusnitati Yusnitati
Muhammad Hanif
Adiarso Adiarso

Abstract

The effects of bitumen types in a hydro-conversion catalytic process to produce
syntethic liquid fuels was investigated. Three samples of natural solid bitumen
obtained from three different sampling points in Riau Province are used in this
study. Preliminary technical feasibility of the natural solid bitumen as a feedstock
of synthetic fuel oil using this process is also investigated. Experimental runs are
carried out using a 1 liter stirred batch autoclave reactor under the standard
conditions: reaction temperature of 450oC, initial hydrogen pressure of 12 MPa
for 1 hour and atomic ratio of sulfur to iron at 2.0. This process condition is
similar to direct coal liquefaction process using heavy oil solvent produced from
Bench Scale Unit (BSU) 100 kg/hour input in Takasago, Japan. The results
indicate that the oil yield increases with the decrease of liquid bottom yield. Total
CO+CO2 and hydrocarbon gases products are almost equal at all bitumen
samples. Due to their high ash content, the oil yield (LO, MO and HO) of bitumen
samples relatively lower than the oil yield of coal liquefaction process. It was also
found that O/C and H/C atomic ratio in bitumen samples vary significantly with
their sampling point, but the H/C ratio of bitumen relatively higher than typical
coal. The higher of H/C ratio, the easier of bitumen to be converted to synthetic
fuel oil and leading to the more efficiently use of gaseous hydrogen. In
conclusion, the natural solid bitumen has a possibility as a feedstock of synthetic
fuel oil, if it is fed to the process in the form of a dried-ash-free-bitumen (hyperbitumen).
Kata kunci: bitumen, hidrokonversi katalitik, BBM sintetis

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How to Cite
Yusnitati, Y., Hanif, M., & Adiarso, A. (2010). KARAKTERISTIK PROSES HIDROKONVERSI KATALITIK DENGAN BAHAN BAKU BITUMEN. Jurnal Energi Dan Lingkungan (Enerlink), 6(2). https://doi.org/10.29122/elk.v6i2.1556
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