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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 322 Documents
 15   16   17   18   19 
PENGEMBANGAN KATALIS BERBASIS NIMO ALUMINA UNTUK REAKSI HIDRODEOKSIGENASI MINYAK NABATI MENJADI BIOAVTUR Dwiratna, Bralin; Soebagjo, Soebagjo
Jurnal Energi dan Lingkungan (Enerlink) Vol 11, No 2 (2015)
Publisher : Badan Pengkajian dan Penerapan Teknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1442.843 KB) | DOI: 10.29122/elk.v11i2.1580

Abstract

Catalysts NiMoP/?-Al O -B O have been successfully synthesized by impregnation method. The 2 3 2 3catalyst was developed to process of vegetable oil hydrodeoxygenation (HDO). The effect of theaddition of boron and phosphorus on the activity and selectivity was studied in this research . Inaddition , the determination of appropriate operating conditions were also studied in order to obtainproducts with good conversion and selectivity. The research was conducted on the preparation of thehydrodeoxygenation catalyst , test the activity and selectivity of hydrodeoxygenation catalysts, andcatalysts characterization using BET , XRD and AAS . To determine the performance of the catalyst ,the hydrodeoxygenation catalysts were tested their activity and selectivity which took place in a batchreactor at a pressure of 20-60 bar and a temperature of 320-360 ° C. The composition of products wereanalyzed by using a Gas Cromatography . From the implementation of HDO reaction of vegetable oilwith NiMoP( 0.6 % )/?- Al O - B O (1.7 %) catalyst, the value of conversion obtained was 81.45 % at 60 2 3 2 3o bar operating pressure conditions and temperature 360 C .Keywords: vegetable oil , hidrodeoksigenasi , catalyst Nimo - ?alumina
PROSPEK DAN KENDALA MEMPRODUKSI BBM SINTETIK DARI BATUBARA PERINGKAT RENDAH DI INDONESIA Hartiniati Hartiniati
Jurnal Energi dan Lingkungan (Enerlink) Vol. 1 No. 1 (2005)
Publisher : Badan Pengkajian dan Penerapan Teknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/elk.v1i1.4210

Abstract

Pengembangan dan pengkajian teknologi pencairan batubara Banko, Sumatera Selatan sebagai batubara peringkat rendah menunjukkan hasil yang sangat memuaskan baik dari segi teknologi maupun ekonominya. Untuk itu, program pencairan batubara ini sangat perlu untuk di”follow-up”, menujukomersialisasinya mengingat hasil kajian awalnya (pre-feasibility study) sangat menjanjikan. Mengingat BBM merupakan suatu komoditi yang memiliki peranan yang sangat strategis dalam menjalankan roda ekonomi, maka kebijakan energi nasional untuk pengadaan BBM melalui pemanfaatan batubara muda ini sangat penting dan menentukan. Dalam makalah ini, penulis bermaksud menyajikan hasil-hasil kajian awal tersebut baik aspek-aspek teknologi yang terkait dalam proses ini, maupun asumsi atau pra-kondisi yang digunakan untuk menghitung keekonomiannya.Kata kunci: Pencairan batubara muda, Improved BCL, In-line hydrotreating, Solvent De-ashing, batubara Banko, Hycol
PROSES ADVANCED dan IMPROVED BROWN COAL LIQUEFACTION PROCESSES (BCL): SEBUAH TINJAUAN TEKNIS DAN STUDI PERBANDINGAN Lambok Hilarius Silalahi
Jurnal Energi dan Lingkungan (Enerlink) Vol. 1 No. 1 (2005)
Publisher : Badan Pengkajian dan Penerapan Teknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/elk.v1i1.4211

Abstract

The Proven Brown Coal Liquefaction Process (Proven BCL) has been successfully tried-out through a 50 t/d pilot plant using Yallourn coal from Australia. This process is lately developed and optimized into an Advanced Brown Coal Liquefaction Process with addition of several new technologies into Proven BCL.The next step is an Improved Brown Coal Liquefaction Process (Improved BCL) which puts more emphasizing in economical and environmental values and adjusted to the more specific characteristics of Banko Coal. This Improved BCL Process is also aiming to reduce the scale-up risks. A few new processes are left out of Improved BCL due to the unsuitability to the Banko Coal and disadvantages to the whole operation. This paper will evaluate the whole process characteristics of all three processes. The latest process, which probably has more feasible future in Indonesia, will be based on only the conceptual design.Kata kunci: Proven bcl, advanced bcl , improved bcl, steam reforming, coal gasification, slurry dewatering, coal liquefaction, inline hydro- treatment, solvent de-ashing.
TEKNOLOGI COAL WATER FUEL (CWF) MENGGUNAKAN BATUBARA KALIMANTAN SELATAN R. Herry Supriyanto
Jurnal Energi dan Lingkungan (Enerlink) Vol. 1 No. 1 (2005)
Publisher : Badan Pengkajian dan Penerapan Teknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/elk.v1i1.4212

Abstract

A study of advantages of using CWF for combustion was carried out. Among of those advantages that could be attained when oil fuel is replaced with CWF (Coal Water Fuel) are, saving highly economical oil fuel and expanding energy diversification. Other advantages are that combustion facilities such as generator, combustion chamber to produced steam and heat will be saved should oil price is no longer affordable. Oil substitution with CWF may be performed when its physical features pushed to proximate or equal to oil’s physical features. Such features may be achieved by crushing the coal to very fine powder (less than 75 micron or 200 mesh) and mixed with water and adding some additive, thus resulting a desired water feature and long-lasting mixture stability.Kata kunci: Coal, air, aditives, CWF, efficient combustion
EVALUASI KARAKTERISTIK BATUBARA SUB BITUMINUS INDONESIA DENGAN PROSES NEDOL Yusnitati Yusnitati
Jurnal Energi dan Lingkungan (Enerlink) Vol. 1 No. 1 (2005)
Publisher : Badan Pengkajian dan Penerapan Teknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/elk.v1i1.4213

Abstract

A characterization of coal liquid derived from liquefaction of bituminous coal from Indonesia was conducted. As synthetic oil from coal requires further treatment to improve its quality so that could meet a specific market need. One of few techniques in improving the coal oil is through hydrotreatment process by reducing its nitrogen, sulfur, oxygen and aromatics contents. Experiment using small-scale fixed bed reactor shows that there is an improvement in quality of recycle solvent used for coal liquefaction after first hydrotreatment. Coal slurry using first hydrotreated oil as solvent shows lower viscosity than that of non- hydrotreated oil, and if mixed with Banko coal, the coal concentration could achieve as high as 50%. Nitrogen and sulfur contents in hydrotreated oil are reduced to negligible level and the storage stability is remarkably improved after hydrotreatment. The quality of fuel from second hydrotreatment is still lower than that of petroleum productc in terms of ‘cetane number’, ‘smoke point’, contents of sulfur and aromatics.Kata kunci: Hydrotreatment, banko coal, fixed bed reactor, synthetic oil
PEMBANGKITAN TENAGA LISTRIK PULAU JAWA DALAM UPAYA PENGURANGAN EMISI CO2 Muhamad Muchlis
Jurnal Energi dan Lingkungan (Enerlink) Vol. 1 No. 1 (2005)
Publisher : Badan Pengkajian dan Penerapan Teknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/elk.v1i1.4214

Abstract

Green house gases such as CO2, CH4, N2O emissions have contributed to the global warming that would lead to increase on sea level, and acid rain. However, CO2 has most contribution to the impact. Most of the green house gases emission in the atmosphere is released from fossil energy in transportation sector, power generation sector, industrial sector and household sector. Therefore, reducing the greenhouse gases from energy utilization especially in power generation sector is more controllable in the energy utilization.Kata kunci: CO2, PLTU, emisi, tenaga listrik.
CHALLENGE OF USING LIQUEFIED COAL OILS FOR TRANSPORTATION FUELS Muchsin Bahar
Jurnal Energi dan Lingkungan (Enerlink) Vol. 1 No. 1 (2005)
Publisher : Badan Pengkajian dan Penerapan Teknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/elk.v1i1.4215

Abstract

Energi terutama dibutuhkan di sector industry, transportasi dan rumah tanga. Pertumbuhan yang cepat kebutuhan bahan bakar minyak dalam negeri dan perubahan gaya hidup di berbagai komunitas modern Indonesia telah menyebabkan pengurangan secara kontinyu jumlah ekspor minyak pada tahun 2001, impor minyak mentah Indonesia ekitar 65 juta barel. Batubara merupakan salah satu alternatif untuk memproduksi bahan bakar cair yang sesuai untuk aplikasi di sector transportasi dengan melepaskan carbon dan menambahkan hidrogen, baik secara langsung maupun tidak langsung.Kata kunci: Pertamina, gas oil, pengilangan
KAJIAN TEKNOLOGI IMPROVED BCL UNTUK MEMPODUKSI BBM SINTETIS Lambok Hilarius Silalahi
Jurnal Energi dan Lingkungan (Enerlink) Vol. 1 No. 2 (2005)
Publisher : Badan Pengkajian dan Penerapan Teknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/elk.v1i2.4216

Abstract

An overview of Coal Liquefaction technology, so called Improved Brown Coal Liquefaction or Improved BCL process is discussed. The improved BCL process is actually the most effective process to obtain high oil yield compared with other coal liquefaction processes and well suited to most Indonesian coal. The process has been confirmed with Banko coal taken from Tanjung Enim, Sumatra and the process design as well as the conceptual design for feasibility study has been made. In this paper, an overview of features of the improved BCL process is introduced along with the typical result of coal liquefaction test. Moreover, a description of Hycol process, to gasify brown coal efficiently to produce hydrogen gas is discussed. This process has been demonstrated in a 150 t/d demo plant in Japan to confirm the engineering performance as well as the thermal efficiency. Finally the result of economic viability is presented to calculate the overall cost including pipeline cost and transportation cost of the equipment.Kata kunci: Improved BCL process, coal liquefaction technology, Indonesian coal
TEKNIK PENGENDALIAN PENCEMARAN DARI PROSES PENCAIRAN BATUBARA Soleh Soleh; Nevi Fatimah
Jurnal Energi dan Lingkungan (Enerlink) Vol. 1 No. 2 (2005)
Publisher : Badan Pengkajian dan Penerapan Teknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/elk.v1i2.4217

Abstract

Until now the reputation of fosil fuel, especially coal, indeed very bad if being connected with the problem of pollution of the environment. This happened because of the chemical chacarteristic of coal that had high aromatic level (fa) and particulate, heavy metals etc. However, the huge of coal reserved in Indonesia, especially low rank coal (lignite, triggered researches on the utilisation of these resources, in part through liquefaction technology of coal to produce synthetic fuel oil. Studied the potential for pollution of the process for the liquefaction of coal and its control technique, is one aspect to investigate in the commercialization coal liquefaction plant. The study of the environment towards the impact of pollution of the liquefaction process showed that pollution produced still under the threshold. Nevertheless when this technology was applied as commercial plant, the study of environmental impact is still needed.Kata kunci: Pengendalian pencemaran, pencairan batubara, teknik pengendalian
APLIKASI CIRCULATING FLUIDISED BED (CFB) UNTUK PENINGKATAN EFISIENSI PEMBAKARAN R. Herry Supriyanto
Jurnal Energi dan Lingkungan (Enerlink) Vol. 1 No. 2 (2005)
Publisher : Badan Pengkajian dan Penerapan Teknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/elk.v1i2.4218

Abstract

Currently, the circulating fluifized bed combustion (CFBC) technology for coal combustion remains developed for its advantages such as flexibility against coal quality, high combustion efficiency and relatively lower SO2 and NOx emission. This article discusses the results of a study upon the influence of operational parameter toward combustion efficiency and SO2 and NOx emission on a 100kW CFBC unit. Operational parameters examined include temperature, air excess, secondary air and speed of superficial gas. Results obtained shows that the tested operational parameters were effectively affects the combustion efficiency and SO2 and NOx emission.Kata kunci: Gasifier, circulating, katalis

Page 17 of 33 | Total Record : 322

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