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SOEBANDI SOEBANDI
Balai Penelitian Tembakau dan Tanaman Serat
Agriculture, Biological Sciences & Forestry Industrial & Manufacturing Engineering

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Journal : Jurnal Penelitian Tanaman Industri

 1 
REKAYASA TUNGKU BRIKET BATUBARA PADA PENGOVENAN DAUN TEMBAKAU VIRGINIA SAMSURl TIRTOSASTRO; SOEBANDI SOEBANDI; DARMONO DARMONO
Jurnal Penelitian Tanaman Industri Vol 5, No 4 (2000): Maret, 2000
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/littri.v5n4.2000.135-140

Abstract

Coal briquette furnace engineering for Virginia tobacco curingA coal briquette furnace for curing Virginia tobacco has been designed and constructed in Research Institute for Tobacco and Fiber Cops, Malang, East Java Indonesia. The furnace design was tested in East Lombok, Nusa Tenggara Barat, fom August to September, 1997. The goal of this research is to provide an alternative fuel for curing Virginia tobacco and its burning system for the product of Virginia tobacco. The coal briquette funace model is similar with wood funace with a brick wall. 125 cm long and 72% of that part positioned at the floor of the barn. The height of the curve furnace was 120 cm and the width was 105 cm. Terminal of the furnace hole was connected with the irst heat exchanger pipe made from iron plate (d = 58 cm) and than with the second heat-exchanger pipe (d = 30cm) encircle in the funace loor. Waste of the smoke coal burning was discharged through two chimneys of 5 m in height.The honey-comb coal biquette has 12.5 cm x 12.5 cm x 8 cm dimensions and 5 500-6 000 kcal or 23 027-25 121 kJ/kg calorific value. Result of the experiment showed that using of the coal briquette-fuel heat (35-70°C) in a suitable for curing tobacco leaves. The cured-leaves quality was as good as the standard. Coal briquette consumption was 5.54 pieces or 6.36/kg of cured-leaves. Based on the coal briquette price of Rp. 100 per piece, the tested pumace model gave the BC-ratio = 1.03, NPV Rp 994 218 and IRR 29.02%. The break-event point was achieved at the briquette price of Rp. 119.23/piece.
PENGGUNAAN MINYAK SOLAR DAN SINAR SURYA PADA PENGOVENAN TEMBAKAU VIRGINIA SAMSURI TIRTOSASTRO; ABI DWI HASTOMO; SOEBANDI SOEBANDI; DARMONO DARMONO
Jurnal Penelitian Tanaman Industri Vol 7, No 1 (2001): Maret, 2001
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jlittri.v7n1.2001.24-30

Abstract

The use of diesel-oil and solar energy as an alternative energyfor Virginia tobacco curingThe use of diesel oil and solar energy in the curing on Virginia tobacco was studied in two steps, i.e., the laboratory experiment al Ihe Research Institute for Tobacco and fiber Crop Malang and ield experiment (economic scale) in East Lombok, NIB. The study was conducted from July to September 1998. The laboratory experiment was aimed at evaluating the effect of diesel oil on (he aroma of cured leaves. Results showed that there was no Strange aroma of Ihe cured-leaves, as the effect of diesel-oil burning Ihe experiment using economic scale curing-bani indicated that the diesel-oil consumption was 0 76 l/kg krosok and if flat-plate solar collector was constructed as a roof, consumption decreased 7.84% which was equal with 0.06 l/kg krosok or 2.574 kJ/kg krosok. Economic analyses showed that using diesel-oil and flat-plate solar collector as a energy source gave a proit chance and an ability to pay the 18%/year of the capital interest, with B/C ratio -1.74, NPV=Rp 45 340 131, and IRR-52 93%. If only diesel-oil was used, it gave a lower proit with B/C ratio=l.77, NPV=Rp 46 425 215. and IRR=53.19%. The increase in the diesel-oil price up to Rp I 500/1 would give a profit chance and an ability lo pay the capital interest, with the B/C ratio = 1.487 and 1 .490. with IRR = 52.67% dan 52 99%, for curing the tobacco leaves with diesel-oil and solar collector, and with diesel-oil only, respectively.
Co-Authors ABI DWI HASTOMO DARMONO DARMONO SAMSURI TIRTOSASTRO SAMSURl TIRTOSASTRO