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INDONESIA
Jurnal Energi dan Lingkungan (Enerlink)
Published by Badan Pengkajian dan Penerapan Teknologi
ISSN : 02169541     EISSN : -     DOI : -
Core Subject : Science,
Energy
Enerlink adalah jurnal yang diterbitkan 2 kali setahun oleh Pusat Teknologi Pengembangan Sumberdaya Energi dan Industri Kimia BPPT di bidang energi dan lingkungan. Enerlink is a scientific journal that publishes twice annually by Centre of Energy Technology and Chemical Industry of BPPT.
Arjuna Subject : -
Articles 12 Documents
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Search results for , issue "Vol 6, No 2 (2010)" : 12 Documents clear
KARAKTERISTIK PROSES HIDROKONVERSI KATALITIK DENGAN BAHAN BAKU BITUMEN Yusnitati, Yusnitati; Hanif, Muhammad; Adiarso, Adiarso
Jurnal Energi dan Lingkungan (Enerlink) Vol 6, No 2 (2010)
Publisher : Badan Pengkajian dan Penerapan Teknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (341.984 KB) | DOI: 10.29122/elk.v6i2.1556

Abstract

The effects of bitumen types in a hydro-conversion catalytic process to producesyntethic liquid fuels was investigated. Three samples of natural solid bitumenobtained from three different sampling points in Riau Province are used in thisstudy. Preliminary technical feasibility of the natural solid bitumen as a feedstockof synthetic fuel oil using this process is also investigated. Experimental runs arecarried out using a 1 liter stirred batch autoclave reactor under the standardconditions: reaction temperature of 450oC, initial hydrogen pressure of 12 MPafor 1 hour and atomic ratio of sulfur to iron at 2.0. This process condition issimilar to direct coal liquefaction process using heavy oil solvent produced fromBench Scale Unit (BSU) 100 kg/hour input in Takasago, Japan. The resultsindicate that the oil yield increases with the decrease of liquid bottom yield. TotalCO+CO2 and hydrocarbon gases products are almost equal at all bitumensamples. Due to their high ash content, the oil yield (LO, MO and HO) of bitumensamples relatively lower than the oil yield of coal liquefaction process. It was alsofound that O/C and H/C atomic ratio in bitumen samples vary significantly withtheir sampling point, but the H/C ratio of bitumen relatively higher than typicalcoal. The higher of H/C ratio, the easier of bitumen to be converted to syntheticfuel oil and leading to the more efficiently use of gaseous hydrogen. Inconclusion, the natural solid bitumen has a possibility as a feedstock of syntheticfuel 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
DISTRIBUSI MOLEKULER SPESIES HETEROATOM DALAM MINYAK BATUBARA INDONESIA Murti, Sri Djangkung Sumbogo; Yusnitati, Yusnitati
Jurnal Energi dan Lingkungan (Enerlink) Vol 6, No 2 (2010)
Publisher : Badan Pengkajian dan Penerapan Teknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (371.623 KB) | DOI: 10.29122/elk.v6i2.1557

Abstract

Heteroatom-containing species in the coal liquid oils (CLO) were identified andquantified by the aid of gas chromatography with atomic emission detector (GCAED).Four different CLOs from different rank coals, processes and cut pointswere investigated in the present study. Thiophene and its derivatives were foundto be the major sulfur compounds, pyridines and anilines, and phenols were themajor nitrogen and oxygen compounds, respectively in the oils of boiling range 300oC). An oil of boiling range (300?420oC) carried moredimethyldibenzothiophenes and benzoquinolines. The correlation between feedcoal and liquid product was discussed in terms of the compositions ofheteroatomic compounds.Kata kunci: coal liquid oil, heteroatomic compounds, GC-AED

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