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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 6 Documents
 1 
Search results for , issue " Vol 2, No 2 (2006)" : 6 Documents clear
PENGARUH PENAMBAHAN SULFUR PADA PROSES PENCAIRAN BATUBARA BANKO Hidayat, Herman; Adiarso, Adiarso
Jurnal Energi dan Lingkungan (Enerlink) Vol 2, No 2 (2006)
Publisher : Jurnal Energi dan Lingkungan (Enerlink)

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Abstract

The effect of adding sulfur in Central Banko coal liquefaction is examined usingautoclave reactor with limonite catalyst from Soroako, at 450oC, H2 initialpressure = 9 Mpa, holding time = 60 minutes, and S/Fe ratio varies from 1, 2, 3dan 6. It is found that there is significant increase in distillates yield by 53,81% forthe increase of S/Fe ratio from 1 to 2, and at the same time CLB decreases from53,5% to 29,47%. This is because the amount of pyrrhotite for S/Fe ratio =2 ishigh and enough to promote cracking to convert coal to distillates or oil. For S/Feratio = 3, the increase of distillates or oil yield is not significant, so does for S/Fe= 6. This concludes that adding more sulfur in Central Banko coal liquefactionusing limonite catalyst from Soroako is not effective and therefore does notinfluence much to the oil yield. This is because the particle size and amount ofpyrrhotite already achieves equilibrium for S/Fe ratio = 2. The changing of S/Feratio does not give much effect to the yields of H2O, CO+CO2, C1~C4,andhydrogen consumption as well..Kata Kunci : limonit Soroako, rasio S/Fe,yield distilat, yield CLB, pirhotit, yieldH2O, yield CO+CO2, yield C1~C4, konsumsi gas hidrogen
PENGEMBANGAN SISTEM PENGOLAHAN LIMBAH PABRIK BATUBARA CAIR Fatimah, Nevi; Soleh, Soleh
Jurnal Energi dan Lingkungan (Enerlink) Vol 2, No 2 (2006)
Publisher : Jurnal Energi dan Lingkungan (Enerlink)

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Abstract

Coal liquefaction process ( BCL Process) becide produce liquid fuel also liquidwaste that contains amonia, phenols and other organic matter in highconcentration. This waste must be proceess before releasing to the environmen.Tthe processing system to treat the waste must efficient and competent toovercome some problems may occur during processing. In this paper will discussthe investigation and experiment for liquid waste treatment designed for coalliquefaction plant.This plant will produce amonia by stripping, phenol by solventextraction that will be reduction by fluidization media system. This system wasapplied for Brown Coal Liquefaction (Victoria) Pty. Ltd and showed very effectiveto cacth phenols and others organic matter.Kata kunci: waste treatment, coal liquefaction plant, coal liquefied oil
RISET REAKTIFITAS LIMONIT SOROAKO SEBAGAI KATALIS PADA PENCAIRAN BATUBARA DENGAN GAS FLOW TYPE REACTOR Hidayat, Herman; Silalahi, Lambok Hlarius
Jurnal Energi dan Lingkungan (Enerlink) Vol 2, No 2 (2006)
Publisher : Jurnal Energi dan Lingkungan (Enerlink)

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Abstract

B r o w n Coal Liquefaction (BCL) process had been developed through theconstruction and the operation of 50 T/D pilot plant Ill Australia (1985-1990) byKOBE STEEL Group. After the successful completion of the Pilot Plant Project,newly Improved BCL process has been developed1). The feasibility study onthe commercialization of coal liquefaction plant in Indonesia has also beencarried out under the cooperation with BPPT supported by NEDO Limonitore (α-FeOOH) can be used as an industrial catalyst for direct coal liquefactionwith its high activity and low production cost. In this paper, the catalytic activitiesof Indonesian limonit ore, Soroako Limonit were examined using a gas flow typeautoclave comparing with the other iron catalysts for the liquefaction ofIndonesian brows coal. It appeared that the Soroako limonit has a highcatalystic activity while finely pulverizing to sub-micron particle size can bedone economically. It can be concluded that Soroako limonit is one of mostsuitable catalysts for the coal liquefaction plant constricted in Indonesia in thefut-ure.Kata kunci: direct liquefaction, soroako limonit, iron catalyst, phyrrotite, bankocoal
PENGARUH PROSES DUA TAHAP DAN PELARUT DALAM PENCAIRAN BATUBARA Priyanto, Unggul
Jurnal Energi dan Lingkungan (Enerlink) Vol 2, No 2 (2006)
Publisher : Jurnal Energi dan Lingkungan (Enerlink)

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Abstract

The influence of solvent was examined in the single- and two-stageliquefaction of Tanito Harum coal with FeNi supported oil carbon black(FeNi/KB) and a synthetic pyrite. FeNi/KB catalyst provide a high oi l yield inthe single-stage liquefaction when tetralin or 1methylnapthalene wasused, while pyrite (FeS2) gave a low oil yield in the liquefaction with 1-methylnapthalene although it produced a high enough oil yield in theliquefaction with tetralin. The single-stake liquefaction of coal gave extremelylow oil yields under the solvent free conditions for all catalysts examined. Inthe liquefaction of coal with solvent, the difference of oil yield producedbetween single-stage and two stage is small. However, the conversion of H--donor solvent after liquefaction was much lower than that of single-stageliquefaction. In the free-solvent liquefaction coal, two-stage liquefactionproduced much higher oil yield than single-stage.Kata kunci: solvent, catalyst, single-stage coal liquefaction, two-stage coalLiquefaction
FINANCIAL AND ECONOMIC ANALYSIS OF BANKO COAL LIQUEFACTION Hartiniati, Hartiniati
Jurnal Energi dan Lingkungan (Enerlink) Vol 2, No 2 (2006)
Publisher : Jurnal Energi dan Lingkungan (Enerlink)

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Abstract

Tulisan ini menyajikan hasil kajian financial dan dampak ekonomi makropembangunan pabrik komersial pencairan batubara Banko di Tanjung Enim,Sumatera Selatan dengan kapasitas total 12,000 t/d dry-ash free coal (daf).Kajian financial meliputi evaluasi proyek total (total investasi) IRR, NPV PaybackPeriod dan profitabilitas proyek dilihat dari kemampuan untuk pengembalianhutang dan dividen.. Manfaat ekonomi makro pabrik dikaji berdasarkan potensiekonomi ditinjau dari penghematan devisa, total pajak korporat, penggunaansumber daya alam, kesempatan kerja, iklim investasi, dan kontribusi terhadappengembangan masyarakat. Hasil studi menunjukkan bahwa kontibusi devisatotal gross dari proyek selama tahun 2011-2035 dan penghematan devisanyaadalah sebesar USD24,883 juta and USD 20,830 juta. Selain itu disimpulkanbahwa minyak dari hasil pencairan batubara mampu menghemat pemakaiandevisa yang seharusnya digunakan impor minyak. Besar substitusi pasar olehminyak batubara mencapai 84juta barel atau setara dengan USD3.696juta.Keywords: batubara Banko, pencairan, biaya proyek, total investasi, profitablitas
EFEK KATALITIK Natrium-AlO2 PADA PROSES PENCAIRAN BATUBARA TANPA PELARUT HIDROGEN DONOR Artanto, Yuli; Yusnitati, Yusnitati
Jurnal Energi dan Lingkungan (Enerlink) Vol 2, No 2 (2006)
Publisher : Jurnal Energi dan Lingkungan (Enerlink)

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Abstract

Indonesian brown coal, South Banko coal, was liquefied into oil in the presence ofcarbon monoxide and water using alkali base catalyst, NaAlO2. Liquefaction testwas carried out using microautoclave in the absence of donor solvent. Experimentwas conducted at 365oC and 400oC in order to examine the effect of temperatureon coal conversions.Kata kunci: south banko, brown coal, liquefaction, catalyst, donor solvent

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