cover
Article Per Year (5 Year)
All
Home Page
OAI Link
Editorial Team
Contact
Reviewer
Google Scholar
Contact Name
-
Contact Email
-
Phone
-
Journal Mail Official
-
Editorial Address
-
Location
Kota adm. jakarta pusat,
Dki jakarta
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 322 Documents
 27   28   29   30   31 
KARAKTERISTIK PROSES HIDROKONVERSI KATALITIK DENGAN BAHAN BAKU BITUMEN Yusnitati Yusnitati; Muhammad Hanif; 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 | 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 Sri Djangkung Sumbogo Murti; 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 | 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
HYDROTREATMENT KATALITIK MINYAK RINGAN DENGAN KATALIS NiMo DAN PENGARUH SPESIES NITROGEN Sri Djangkung Sumbogo Murti; Hartiniati Hartiniati; Agustina Eliyanti
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 | DOI: 10.29122/elk.v6i2.1558

Abstract

Gas Oil fraction of petroleum was hydrotreated (hydrodesulfurization, HDS) overNiMo/Al2O3 catalyst in a 100 ml autoclave reactor. The reaction was conducted at340 oC under 5MPa H2 pressure for 60 min. to investigate the correlation ofnitrogen species in the HDS. The inhibition effects of these species are alsoinvestigated by using original and its N-free gas oil. Hydrogen renewal betweenstages was attempted to reveal an additional effect of the by-products such asH2S. All species in the gas oils were analyzed by GC-AED before and afterhydrotreatment. HDS over NiMo/Al2O3 was largely improved by removal ofnitrogen species. Refractory sulfur species were effectively removed by theremoval of nitrogen species and renewal of hydrogen in staged HDS, showingsynergy effects due to simultaneous removal of two inhibitors.Kata kunci: gas oil, hydrodesulfurization, nitrogen inhibition, GC-AED
IDENTIFIKASI POTENSI PENGHEMATAN ENERGI DI INDUSTRI KERTAS Achmad Hasan
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 | DOI: 10.29122/elk.v6i2.1559

Abstract

Identify potential energy savings is one way to optimize the supply and use ofenergy in industrial sector. Electrical energy supplied by PT. PLN (Persero) withinstalled power capacity of 30,000 kVA. Electrical energy to the productionprocess with a voltage of 20 kV through 11 (eleven) units transformer. Based onthe results of power quality measurements with HIOKI 3197 and HIOKI 3286-20show as seen in the previous section, it can be seen that: (a) load unbalancesseen from the voltage and current in the transformer MCC-01 and thetransformer E-34. (b) magnitude fluctuating voltage on the main transformerphase S and T. Even the relatively high voltage (up to 233 V) on the transformerlighting. (c) the power factor is around 0.92 is good enough, but the power factorat the transformer low enough E-34 which reached 0.56. The power factor ontransformer lighting value -1 (leading). (d) total harmonic distortion (THD) voltageand current transformer at some fairly high beyond the limit of tolerance. Thereare several potential energy savings that can be identified, among others:decrease the voltage and current THD, reduction of reactive power consumptionin lighting, improved load balancing.Kata kunci: energi, listrik, faktor daya, penghematan, filter harmonic
TECHNICAL ASSESSMENT OF UBC PILOT PLANT USING COMPUTER PROCESS SIMULATION Muhammad Hanif; Dhani Avianto Sugeng; Johan Cruyff
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 | DOI: 10.29122/elk.v6i2.1560

Abstract

Indonesia memiliki sumber daya batubara peringkat rendah dalam jumlah yangberlimpah (± 38 juta ton).Jenis batubara tersebut belum sepenuhnya dikajimeskipun diketahui memiliki berbagai kelebihan seperti kadar abu dan sulphurrendah. Teknologi UBC didedikasikan untuk memproduksi batubara yangdengan nilai jual yang tinggi dan mampu meningkatkan pemanfaatan batubaraperingkat rendah di Indonesia. Tulisan ini membahas evaluasi proses UpgradedBrown Coal (UBC) dengan menggunakan data pengoperasian pilot plant UBC diPalimanan. Lingkup kegiatan ini juga merupakan lingkup tanggungjawab BPPTdalam kerjasaa Jepang dengan Indonesia di bidang pengembangan teknologiUBC.Keywords: batubara peringkat rendah, upgraded brown coal (UBC), pilot plant
PEMANFAATAN TUNGKU BERBAHAN BAKAR LPG DAN MODIFIKASI RUANG BAKAR UNTUK PEMBAKARAN KERAMIK UKIR BERGLASIR M. Dachyar Effendi
Jurnal Energi dan Lingkungan (Enerlink) Vol. 6 No. 1 (2010)
Publisher : Badan Pengkajian dan Penerapan Teknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/elk.v6i1.1561

Abstract

A downdraft kiln using LPG as energy source with capacity 1 m3 and maximumfiring temperature 13000C has been constructed and midified to give better heatdistribution. For firing ceramic process, most of Balinese and Lombok craftsmenuse firewood as energy source. This method is inefficient from the production rate.Point of view, downdraft kiln can help the craftsmen to process ceramic easier,faster and cheaper. Downdraft kiln using LPG has been selected as an alternativekiln due to minimum pollutant produced compare with updraft kiln using coal orfirewood. The kiln constructed has fulfilled the requirement of kiln firing processquality in which the firing causes sintering process in the ceramics body. The kilnwith a capacity of 1m3 can reach a maximum firing temperature which of 13000C.To test this modified kiln, some carved ceramic has burned into the kiln. Carvedceramic has been chosen caused by need more good heat distribution than otherceramic design product and have differ thickennes in all bodies.The final productgive a better product whithout defect compare to product burned into unmodifiedkilnKata kunci: tungku hemat energi, keramik ukir, stoneware
HASIL AUDIT ENERGI DI INDUSTRI TEKSTIL Achmad Hasan
Jurnal Energi dan Lingkungan (Enerlink) Vol. 6 No. 1 (2010)
Publisher : Badan Pengkajian dan Penerapan Teknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/elk.v6i1.1562

Abstract

Energy audit is one way to plan for optimizing the supply and use of energyneeded by the industry. Portrait of the use of electrical energy used in textileindustry supplied from PT.PLN (Persero) with the power contract for 23000 kVAand POJ Power (Mini Hydro Power Plant, Jatiluhur) with installed capacity of5800 kVA. Especially for electric energy supplied from POJ Power, status ofelectricity continues to be a contract with the manager of POJ Power Jatiluhur.Based on the results of measurement of power quality with PQA Hioki 3197 is asdescribed in the previous section, it can be seen that: (a) Voltage magnitude atsome of the panel is high (about 250 V), (b) The power factor is very low, (c)Generally, voltage and current THD (Total Harmonic Distortion) is very high.Kata kunci: energi, listrik, penghematan, filter harmonik, faktor daya
IDENTIFIKASI PRODUK TURUNAN HYDROPROCESSING MODEL MINYAK SINTETIS BATUBARA MENGGUNAKAN GC-FID/NPD/MS Muhammad Hanif; Yusnitati Yusnitati; Nasikin Nataadmadja
Jurnal Energi dan Lingkungan (Enerlink) Vol. 6 No. 1 (2010)
Publisher : Badan Pengkajian dan Penerapan Teknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/elk.v6i1.1563

Abstract

An analysis of identifying a derivative product of liquefied coal modelhydroprocessing was conducted. For that purpose, an integration gaschromatography flame ionization-nitrogen phosphorous detector and massspectrometry (GC-FID/NPD/MS) was used. Hydroprocessing process wasperformed by vibrating micro autoclave tipe batch using Ni-W/Alumina catalystunder initial hydrogen pressure 6 MPa, reaction temperature 375oC and one hourretention time. The analysis result showed that the predominant reaction werehydrogenation, hydrodenitrogenation (HDN) and hydrodeoxygenation (HDO).The HDO of methyl phenol and ethyl phenol took place faster than the otherhydroprocessing reactions such as HDN of quinoline and aromatic hydrogenation(butyl benzene, naphthalene, phenanthrene dan pyrene). This indicates that thehydrogenation reaction or the cleavage of C-O bonding took place very fast thatalkyl could not be detected in the oil. The HDN reaction or the cleavage of C-Ntook place slower but the the nitrogen containing compound vanished faster dueto selective adsorption of the catalyst. However the hydrogenation reaction ofmono-aromatic took place faster than poly-aromaticKata kunci: gas chromatography, identifikasi senyawa, model minyak sintetis
KINERJA MESIN DIESEL MENGGUNAKAN BAHAN BAKAR SOLAR, DME DAN CAMPURANNYA DENGAN SIMULASI DINAMIKA FLUIDA Taufik Yuwono; Bambang Suwondo Rahardjo
Jurnal Energi dan Lingkungan (Enerlink) Vol. 6 No. 1 (2010)
Publisher : Badan Pengkajian dan Penerapan Teknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/elk.v6i1.1564

Abstract

Fuel atomization plays a main role in determining the performance of dieselengines, where the spray pattern illustrates fuel combustion occurs in thecombustion chamber. From fuel spray test results showed that fuel evaporationcharacteristics of fuel at a certain pressure will effect on engine performance.The higher the injection pressure will reduce the diameter of the fuel sprays(sauter mean diameter), thus speeding up evaporation and mixing processesbetween fuel and air in the combustion chamber with resulted the combustionprocess is more completely. Analysis of fuel atomization simulations performedat injection pressure 150, 180 and 235 bar on the distribution of size,temperature and concentration of air+fuel mixture. Physical chemical parametersresulting are the size and temperature distribution patterns fuel+air mixturesprays. DME is feasible to be used as alternative fuel in diesel engines by adding2–5% lubricant additives. The use of diesel+DME 50/50 mixed fuel provides thelowest fuel consumption by generating power of 3x2,975 watts.Kata kunci: kinerja mesin, solar, DME, simulasi atomisasi, dinamika fluida
REKONDISI KINERJA OPERASI FIXED BED GASIFIER SEKAM PADI PT. NATIONAL CHAMPIGNON Bambang Suwondo Rahardjo
Jurnal Energi dan Lingkungan (Enerlink) Vol. 6 No. 1 (2010)
Publisher : Badan Pengkajian dan Penerapan Teknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/elk.v6i1.1565

Abstract

All this time, PT Natcham’s gasifier only be used for synthetic gas production asfuel of 400 kW gas engine power generation for the mushroom industry’selectricity needs while energy crisis. From now on, the application anddevelopment of biomass gasification technology is focused on synthetic gasproduction to be processed furthermore from gas to liquid (GTL) throughFischer–Tropsch synthesis process. H2+CO contained in syngas product is low(average 20% of total producer gas) with H2/CO ratio = 0.30–0,35. Producedsynthetic gas composition more and less equal to the design maker of Peako –China that is feasible to be utilized as fuel for 400 kW gas engine powergeneration, but not meet yet specification requirements of syngas composition asgas feeding for Fischer–Tropsch synthesis process (Gas–To–Liquid, GTL).Installation of O2 and steam injection system inside gasifier necessary to improvesyngas quality, all at once N2 content decreasing in the syngas, with the result ofH2/CO ratio >1 that will improve liquid product.Kata kunci: fixed–bed gasifier, gasification, rice husk, synthetic gas

Page 29 of 33 | Total Record : 322

 27   28   29   30   31 

Filter by Year

2005 2020


Reset
Filter By Issues
All Issue Vol. 16 No. 2 (2020): Vol. 16 No 2 2020 Vol. 16 No. 1 (2020): Vol. 16 No 1 2020 Vol. 14 No. 2 (2018) Vol. 14 No. 1 (2018) Vol. 13 No. 2 (2017) Vol. 13 No. 1 (2017) Vol 11, No 2 (2015) Vol 11, No 2 (2015) Vol. 11 No. 2 (2015) Vol 11, No 1 (2015) Vol 11, No 1 (2015) Vol. 11 No. 1 (2015) Vol. 10 No. 2 (2014) Vol. 10 No. 1 (2014) Vol. 9 No. 1 (2013) Vol. 8 No. 2 (2012) Vol. 7 No. 2 (2011) Vol. 7 No. 1 (2011) Vol 7, No 1 (2011) Vol 7, No 1 (2011) Vol 6, No 2 (2010) Vol. 6 No. 2 (2010) Vol 6, No 2 (2010) Vol. 6 No. 1 (2010) Vol 6, No 1 (2010) Vol 6, No 1 (2010) Vol 5, No 2 (2009) Vol 5, No 2 (2009) Vol. 5 No. 2 (2009) Vol 5, No 1 (2009) Vol. 5 No. 1 (2009) Vol 5, No 1 (2009) Vol 4, No 2 (2008) Vol 4, No 2 (2008) Vol. 4 No. 2 (2008) Vol 4, No 1 (2008) Vol 4, No 1 (2008) Vol. 4 No. 1 (2008) Vol 3, No 2 (2007) Vol. 3 No. 2 (2007) Vol 3, No 2 (2007) Vol 3, No 1 (2007) Vol. 3 No. 1 (2007) Vol 3, No 1 (2007) Vol 2, No 2 (2006) Vol. 2 No. 2 (2006) Vol 2, No 2 (2006) Vol 2, No 1 (2006) Vol. 2 No. 1 (2006) Vol 2, No 1 (2006) Vol. 1 No. 2 (2005) Vol. 1 No. 1 (2005) More Issue