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INDONESIA
JURNAL TEKNOLOGI LINGKUNGAN
Published by Badan Pengkajian dan Penerapan Teknologi
ISSN : 1411318X     EISSN : 25486101     DOI : -
Core Subject : Social,
Environmental Science
Jurnal Teknologi Lingkungan (JTL) is a journal aims to be a peer-reviewed platform and an authoritative source of information. JTL is published twice annually and provide scientific publication for researchers, engineers, practitioners, academicians, and observers in the field related to science and environmental technology. We publish original research papers, review articles and case studies focused on Environmental Sciences, Environmental Technology as well as other related topics to Environment including sanitation, environmental biology, waste water treatment, solid waste treatment, environmental design and management, environmental impact assessment, environmental pollution control and environmental conservation.
Arjuna Subject : -
Articles 14 Documents
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Search results for , issue "Vol. 10 No. 3 (2009)" : 14 Documents clear
STATUS KONSORSIUM MIKROBA LOKAL PENDEGRADASI MINYAK Komarawidjaja, Wage; Lysiastuti, Esi
Jurnal Teknologi Lingkungan Vol. 10 No. 3 (2009)
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (279.782 KB) | DOI: 10.29122/jtl.v10i3.1481

Abstract

Laboratory observation were conducted to study the effect of media containing oil spillon microbial ability in utilizing oil spill as carbon sources. Microbial consortia which wasisolated from Cepu oil spill sample was inoculated on the Bushnell-Haas (BH) mediacontaining 5% Cepu crude oil.The experiment proved that microbes could be able utilizing oil as carbon source fortheir cell multiplication, the more the turbidity concentration increase, the more themicrobial population rise. Concentration of oil dissolved trend and availability that wasmeasured show a microbial surfactant generation. Furthermore, microbial density thatwas measured along experiment period indicate an increase in density.The result indicate that remediation of oil spill study which is utilizing indigenous microbesas in situ bioremediation technologies can be implemented.
INOVASI TEKNOLOGI BIOHIDROGEN DARI LIMBAH BIOMASA KE ENERGI LISTRIK DENGAN TEKNOLOGI FUEL-CELL Rahman, Mahyudin Abdul; Dewi, Eniya
Jurnal Teknologi Lingkungan Vol. 10 No. 3 (2009)
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (324.974 KB) | DOI: 10.29122/jtl.v10i3.1478

Abstract

Enterobacter aerogenes ADH-43, Bacillus pumillus Asp-8 and co-culture of bothmicroorganism was inoculated and fermented by using molasses as by product ofsugar factory, sugar starch, and glycerol as by product of biodiesel into hydrogen gas(H2). Both producing double mutant bacteria as a facultative anaerobe and who wasobtained by classical mutagenetically treated in order to enhance H2 producing. Wehave obtained that E. aerogenes ADH-43 has highest ability for molasses fermentation,and the volume H2 reached 4,0 l H2/l molasses.The fermentation was carried out in 50ml vial bootle, 37 oC, pH 5.8 and 20 hrs. Optimization of molasses concentration wasperformed in order to study the inhibition, and finally, 2 % of molasses was found. Toenhance the yield and H2 flow rate, the fed-batch system was applied into 6 l StirredTank Fermentor (STR). Innitial volume 2 l of medium was fermented, 1 l fresh mediumwas added into reactor at 6 and 9 hrs of fermentation time. Finally the achieved volumeH2 was 6,5 l H2/l molasses, the remained molases was 0,2 %, and the fermentationtime could be prolonged 4 hrs compare to bacth fermentation. We have also found therelationship between the H2 evolution rate and the voltage of electrical formed whenwe connected into 7 stack of fuel-cell.
IDENTIFIKASI SENYAWA KIMIA DAN AKTIVITAS ANTIBAKTERI EKSTRAK Piper Sp. ASAL PAPUA Priyono, Sumarnie; Praptiwi, Praptiwi
Jurnal Teknologi Lingkungan Vol. 10 No. 3 (2009)
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (94.327 KB) | DOI: 10.29122/jtl.v10i3.1473

Abstract

The aim of this study was to identity the chemical compounds of the piper sp.Fruit originated from Papua, that has been used as “sirih pinang”(chew betle)and to determine the antibacterial activity of hexane and chloroform extraxt ofpiper sp. to Gram + bacteria isolates(Bacillus subtilis, Listeria monocytogenesdan Staphylococcus aureus) and Gram – bacteria isolates(Salmonellatyphimurium, Eschericia coli and Pseudomonas pseudomallei). The extractconcentration were 50 % and 25 %, and every treatment consisted of 3replications. The bacteriae growth media was Mueller Hinton Agar(MHA). Theresult of phytochemical screening of Piper sp.fruit(ether, alcohol,and waterextracts)showed that it contained esential oil, lipid,emodol,tannin,reducingsugar, anthrasenoid,polyuronide,glucocide,steroid glycoside.
INDUKSI MUTASI KULTUR IN VITRO Amorphophallus muelleri Blume DENGAN IRRADIASI GAMMA Poerba, Yuyu S; IMELDA, MARIA; WULANSARI, AIDA; MARTANTI, DIYAH
Jurnal Teknologi Lingkungan Vol. 10 No. 3 (2009)
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (149.166 KB) | DOI: 10.29122/jtl.v10i3.1482

Abstract

Amorphophallus muelleri Blume (Araceae) is valued for its glucoman content for use infood industry (heathy diet food), paper industry, pharmacy and cosmetics. The cultivationof A. muelleri is hampered by limited genetic quality of seed. The species is triploid(2n=3x=39), the seed is developed apomictically, and pollen production is low. Thespecies is only propagated vegetatively. This may explain that the species is difficultto breed conventionally and genetic variability in the existing landraces cultivars israther limited. Conservation of this species, therefore, is important for availability of thespecies in the future use of this plant. The objective of present research is to increasegenetic variation by induce mutation using gamma-rays irradiation of shoot culturesof A. muelleri and to identify DNA polymorphism induced by gamma irradiation usingrandom amplified polymorphic DNA (RAPD), so the mutants produced can be used forbreeding purposes and for conservation program. Results of the experiment showedthat gamma irradiation less than 5 gray was effective to induce mutation of A. muelleri.Four RAPD primers generated 35 scorable bands with 100% polymorphic bands. Sizeof the bands varied from 350bp to 2.0kbp. Clustering analysis was performed based onRAPD profiles using the UPGMA method. The range of genetic distance among individualgenotypes was from from 0.00 to 0.72, while genetic variance of the population was0.21 + 0.13. The eighteen genotypes were proof to be mutants. The mutants producedin this experiment could be used as new germplasms for breeding purposes as well asfor use in conservation strategy

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