Catalytic pyrolysis of Asbuton into liquid fuel with Zeolite as catalyst

Nurullafina Saadah, Susianto*, Ali Altway, Yeni Rachmawati

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Natural Buton Asphalt (Asbuton) is a naturally occurring asphalt that is contained in rock deposit located in Buton Island, Indonesia. Asbuton is mostly used as a mixture of bitumen since it has the potential to be cracked into hydrocarbon and produced as a liquid fuel for energy consumption. The present study aims to investigate the effect of pyrolysis temperature and the mass ratio of the Asbuton with catalyst on the Asbuton conversion. The pyrolysis process is carried out on a batch using vacuum reactor with various temperatures and mass ratios of catalyst to Asbuton. The gas coming out of the process is passed through the condenser, where the condensed gas (liquid product) is collected in the flask, whereas the uncondensed gas (gas product) is collected in a gas holder and the yield is analyzed upon the pyrolysis process completion. The respond parameter of the catalytic pyrolysis are oil flammability, yield, and oil density. The synthesized ZSM-5 catalyst is more effective for the Asbuton bitumen cracking process as opposed to the Natural Zeolite. Furthermore, it is investigated that the most optimum operating condition throughout this experiment was 70.07% and obtained at 350°C with 9% ZSM-5 catalyst. In terms of product characterization, the liquid product can be ignited during the flame test. From the S.G. and API gravity values, it is suggested that the products belong to crude oil range, and thus, confirming that Asbuton has great potentials to be developed into alternative fuel.

Original languageEnglish
Pages (from-to)196-200
Number of pages5
JournalMalaysian Journal of Fundamental and Applied Sciences
Volume16
Issue number2
DOIs
Publication statusPublished - Mar 2020

Keywords

  • Asbuton
  • Catalytic pyrolysis
  • Zeolite

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