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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 40 Documents
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Search results for , issue "Vol. 11 No. 3 (2010)" : 40 Documents clear
PRODUKSI GAS METANA DARI PENGOLAHAN SAMPAH PERKOTAAN DENGAN SISTEM SEL Herlambang, Arie; Sutanto, Henky; Wibowo, Kusno
Jurnal Teknologi Lingkungan Vol. 11 No. 3 (2010)
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1488.109 KB) | DOI: 10.29122/jtl.v11i3.1184

Abstract

Waste to energy now become one of the technology solution that is in many developed  countries, in an effort to reduce greenhouse gas emissions from waste. Urban organic waste is a potential source of greenhouse gases. Methane gas is an energy source that can be used as fuel. It is difficult to find land for Landfill alocation in the major cities and often becomes a difficult social problem. Structured Landfill Cell is used to treat the waste at the landfill, with the aim to use land more scalable, easier waste management and control, better sanitation, better water control leachate and gas produced can bemanaged optimally and compost can be utilized with the production and quality control.This new system was first used in Indonesia by PT Navigats Organics Energy Indonesia in landfill Suwung, Denpasar, Bali. There are 5 cells already built in Suwung and two of cells have been filled with garbage. Each cell contains 12,000 m3 soliswaste. Observations carried out on gas productivity of two cells that have been filled, with a dry treatment on cell 1 (dry cell) and a wet treatment in cell 2 (wet cell). The observed gas is CH4, CO2,and O2 as the main parameters, with the addition parameters are CO and H2S. The instrument used is the GA 2000 Plus. Observations of two cells made for 4 months, with the content of CH4 around 40 to 50% in the first month and gradually decreased to reach 18 to 25% in the fourth month. Carbondioxyde going up and down following condition of CH4 and its value ranges between 16 and 28%. Oxygen consentration around 2 to 14%.For keeping engine performance the consentration of methane should more than 28%and O2 content lower than 6%. Cell with watering will temporarily reduce CH4 and CO2 and O2 increase, but it is slowly rising again. Carbonmonoside values tend to increase with age garbage (10 sd 350 ppm), whereas irregular H2S values ranging 0 up to 24 ppm, allegedly associated with the low protein content in the trash. Sewage treatment system is proven to increase CH4 gas, yet still needed modifications of structure and the gas collector pipe system so that productivity can be improved.Key Words : Solidwaste, Metana, Cell System
PENDAYAGUNAAN DUA JENIS ZINGIBERACEAE [C. mangga (temu mangga) dan K. angustifolia (kunci menir)] SEBAGAI SUMBER BAHAN IMUNOMODULATOR SECARA IN VITRO ., Praptiwi; ., Chairul
Jurnal Teknologi Lingkungan Vol. 11 No. 3 (2010)
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (682.251 KB) | DOI: 10.29122/jtl.v11i3.1189

Abstract

Observation of imunomodulation properties of methanol extract derive (hexane,ethyl acetate, methanol/water) of Curcuma mangga (temu mangga) and Kaempferia angustifolia (kunci menir) had been carried out by in vitro assay. It was done by determining the phagocytised activity and capacity of macrophage cells of mice (Mus musculus) peritonium inducted with Staphyllococcus epidermidis. The result showed that each fraction had different phagocytised activity and capacity. Almost all of the fractions tested improved the activity (50–96 %) and capacity macrophage cells phagocytised compared to negative control (52 dan 502) and positive control (97 dan 1076). The positive control was 1000 ug Stimuno (Phyllanthus niruri extract), while the negative control was aquadest. The ethyl acetate fraction of Z. cassumunar (bangle) had highestphagocytised activity and capacity followed by C. mangga (temu mangga) and K. Angustifolia (kunci menir). It can be concluded that there were significant differences of phagocytised activity and capacity among fraction tested.Keywords : Zingiberaceae, Curcuma mangga, Kaempferia rotunda, Zingibercassumunar, immunomodulator, phagocytised, macrophage cells.
INVENTARISASI JENIS-JENIS TUMBUHAN DAN KESESUAIAN LAHAN UNTUK KONSERVASI DAERAH TANGKAPAN SUMBER MATA AIR ’WETIHU’ DESA BAUDAOK KECAMATAN TASIFETO TIMUR – BELU Widiyono, Wahyu
Jurnal Teknologi Lingkungan Vol. 11 No. 3 (2010)
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (270.649 KB) | DOI: 10.29122/jtl.v11i3.1180

Abstract

District, East Nusa Tenggara Province. However, some wells in this area need to be conserved by planting of selected species at the watershed area in order the water available continually during a year. To understand the native and crop species that suitable to plant conservation the survey at the watershed of ‘Wetihu’, Baudaok-Belu was conducted in 2008. Aim of survey was to inventory the species and to understand land suitability based on its soil fertility and microclimate condition. Watershed landscape of ‘Wetihu’ in Baudaok Village, Belu District are characterized by rolling to hilly altitude,coral reef and limestone of soil material and the low soil fertility. Micro-climate in thisarea resulted the marginal land watershed and due to this problem the crop almost can not be planted by the local people. The observation by the distance of 1.5 km from ‘Baudaok’ well to the southern was found 39 wild and crop species. Some species which are able to adapt to the drought ecosystem and has potential to plant as economic crops are recommended to be selected, i.e.: the main food (Zea mays, Cajanus cajan), fruits (Musa paradisiaca, Mangifera indica), cattle feeding (Leucaene leucocephala, Sesbania grandiflora), handmade material (Bambusa sp.), fire wood, wind break trees and covercrops (Zizyphus mauritiana, Alstonia scholaris, Erythrina orientalis, Gmelina arborea,Schleichera oleosa), perfume oil producer (Santalum album).Key Words: native species, crops, watershed, conservation, Belu, East NusaTenggara Province
AKTIVITAS ENZIM PELARUT FOSFAT DAN EFEKTIVITAS MIKROBA ASAL WAMENA UNTUK MENUNJANG PERTANIAN RAMAH LINGKUNGAN PADA DAERAH MARGINAL Widawati, Sri
Jurnal Teknologi Lingkungan Vol. 11 No. 3 (2010)
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (776.933 KB) | DOI: 10.29122/jtl.v11i3.1194

Abstract

The activity of phosphate solubilizing enzyme and the effectivity of microbe from Wamena for support agriculture of environmental friendliness at marginal area. Phosphate dissolution of enzyme by microbial effective in compost plus from Wamena forest was stored in the freezer for 4 years, have been conducted in Ecofisiology laboratory,Microbiology devision, Research Center for Biology, Indonesian Institute of Science. This research was conducted to know the microbial affectivity and the activity of phosphate solubilizing enzyme of 20 microorganisms in inoculants stored 4 years in refrigerated room and to support soil fertility and biofertilizer agent in organic farming system. This research used plate count methode for counting the amount of microbial population, Scinner method was used toanalizer enzyme of alkaline and acid PME-ase,and statistical analysis use Duncan methode. The storage of 20 inoculants invected 20microorganisms for 4 years in refrigerated room showed that the microbial activity still high with the amount of mean population 107 and the activity of phosphate solubilizing enzyme with mean diameter of clear zone (holozone) 1 cm – 2 cm. The effectivity and the highest activity of phosphate solubilizing enzyme were : Azotobacter indicus (A), Bacillus panthothenticus (D), Bacillus megaterium (M), Bacillus thuringiensis (O), Ceratia sp. (R),Chromobacterium lividum (G), Chromobacterium violaceum (S), Flavobacterium breve(T), Klebsiella aerogenes (H), Pseudomonas fluorescent (J), Rhizobium legurxinosarium (L), and the lowest were: Streptomyces sp. (I) .Key word: Alkaline and acid PMEase, Phosphate solubilizing bacteria,Biofertolizer
PERUBAHAN TUTUPAN LAHAN DAN LINGKUNGAN: AKUNTING SUMBERDAYA ALAM PROPINSI KALIMANTAN SELATAN M. Bishry, Rony
Jurnal Teknologi Lingkungan Vol. 11 No. 3 (2010)
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (202.008 KB) | DOI: 10.29122/jtl.v11i3.1185

Abstract

The natural resources utilization for economic development has became the driver of land cover and and environmental change. The policy of natural resources utilization for development in Kalimantan Selatan has changed the net value of its natural resource capital. For Kalimantan Selatan Province it is recorded that between the year of 2004 - 2007, the economic value of its natural resources has changed as much as Rp. 621,9 billion. However comparing to the need of annual budget to treat the critical land amounting to Rp 555,9 billion and the depreciation of its roads amounting to the Rp. 1 Trillion, the net value of its natural resources capital is relatively small. Key Word: natural resources and environment, regional developmentKey Word: natural resources and environment, regional development
PROFIL PERUBAHAN AMONIUM, NITRIT DAN NITRAT PADA PERCOBAAN CURAH DARI PDAM BOGOR DAN SURABAYA Imamuddin, Hartati
Jurnal Teknologi Lingkungan Vol. 11 No. 3 (2010)
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (395.601 KB) | DOI: 10.29122/jtl.v11i3.1190

Abstract

Nitrification is often not effective because the characters of nitrifying bacteria is always slow growing and temperature, pH, DO, amonia concentration, nitrite and C/N ratio as the limited factors. Batch experiment was operated for 6 hours, every half an hours ammonium, nitrite and nitrate were measured.The results showed that added C sourse (glucose) in medium from PDAM Bogorand Surabaya have a significant effects of ammonium degradation, nitrite and nitrate production. Degradation of ammonium in batch reactor from PDAM Bogor showed that both  naerobic and aerobic condition have a different fluctuation. Production of nitrite was stable from the middle of reaction to last of aerobic phase. In aerobic condition nitrate production is reduced to 49,21 % (+ glucose) and 60,87% (+ acetate) Batch reactor from PDAM Surabaya differ from PDAM Bogor particularly on degradation of ammonium. Added glucose as C source cause the concentration of ammonium was increased and acetate as C source showed stable with a slightly fluctuation. Nitrite and nitrate production relatively small in both C source.
EFEK PENGGUNAAN PUPUK ORGANIK DAN INOKULAN MIKROBATERHADAP PERTUMBUHAN JATI SUPER (Tectona grandis L.f.) PADA LAHAN BEKAS TAILING POND PENAMBANGAN EMAS DI CIKOTOK Supriyati, Dyah; Agustiyani, Dwi
Jurnal Teknologi Lingkungan Vol. 11 No. 3 (2010)
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (664.01 KB) | DOI: 10.29122/jtl.v11i3.1181

Abstract

Experiment using organic fertilizer and microbial community to support the growth of Tectona grandis L.f in the cyanide contaminated-soil has been conducted in gold tailing pond Cikotok. Microbes used in this experiment were mixed of cyanide degradingbacteria,Nitrogen fixing-bacteria, and Phosphat solubilizing-bacteria. The results show that the microbes given in the Tectona grandis L.f plantation was significantly supporting the growth of the plants and reduced cyanide from the contaminated soil, but did not influence the microbe population of the soil.Key word: Phytoremediation, Cyanide, Tectona grandis L.f.
DINAMIKA DAN STATUS MUTU AIR WADUK SEI NONGSA Garno, Yudhi Soetrisno
Jurnal Teknologi Lingkungan Vol. 11 No. 3 (2010)
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (267.553 KB) | DOI: 10.29122/jtl.v11i3.1195

Abstract

Sei Nongsa is a reservoir in the Batam Industrial Development Area (BIDA), whichdeveloped especially for source of drinking water. This research was conducted toknow the water quality status of Sei Nongsa, and the suitability for the source of drinking water. This research revealed that the water of Sei Nongsa can not directly used for drinking water due to concentrations of detergent, Cu, Cr, Cd and Pb were higher than the national standard for drinking water. Base on this result, it was suggested that the water of Sei Nongsa need threatment for decrease the above parametersKey words: Nongsa, water quality status.
GROWTH AND FATTY ACID COMPOSITION OF MARINE MICROALGA NANNOCHLOROPSIS sp IN MEDIUM ENRICHED WITH MAGNESIUM astuti, J. Tri; Sriwuryandari, Lies; Putro, Ekoputro Agung; Sembiring, T.
Jurnal Teknologi Lingkungan Vol. 11 No. 3 (2010)
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (446.868 KB) | DOI: 10.29122/jtl.v11i3.1186

Abstract

Micro-algae are to be an attractive way to produce bio-diesel due to high photosynthetic yields and lipid accumulation in cells. This high productivity combined with possibility to uptake CO2 stimulated its utilization as a biological mitigation method of CO2, at once as an alternative renewable source of energy. Growth characteristics and chemical composition of micro-algae can be altered by culture environment. Nutrient sufficiency,included magnesium element (Mg2+) is important factors on overall biochemical composition. In study, Nannochloropsis sp was cultivated in Erlenmeyer 250 ml containing 200 ml f/2 medium. There are three groups of treatment with different levelof magnesium (Mg2+), i.e. 0 (M0); 0.1mgL-1 (M1); and 1.0 mgL-1 (M2). All treatment was designed triplicate in batch system. Culture was then aerated continuously with sterile atmospheric air (1.5 L.min-1). Cells were harvested on 25th day after inoculation and analyzed. Data showed that Chlorophyll-a increased linearly with time and maximum at 18th days of growth period, i.e. 23.57; 26.44; and 27.74mgL-1, for M0; M1; and M2,respectively. Chlorophyll-a content decreased significantly when pH dropped to 5-6.Enrichment with Mg2+ increased the chlorophyll-a content 12.2-17.7%. Dry cell reached 375-400mgL-1 in all treatment. Lipid content of Nannochloropsis sp in control (M0) is 55.3%, higher than M1 and M2. Saturated fatty acid tends to increase from 80.70 (M0)to 96.70 (M1) and 94.53% (M2). Fatty acid of M0 and M1 was composed dominantly by palmitic acid (C16:0), i.e. 49.19-70.75% total fatty acids. Meanwhile, M2 treatment was dominantly by lauric acid (C12:0), i.e. 32.98%.Keywords: CO2 biological mitigation, chlorophyll-a, fatty acid, lipid, agnesium,microalgae, Nannochloropsis sp, photosynthesis.
POTENSI LIMBAH DAN KARAKTERISTIK PROSES PENGOMPOSAN TANDAN KOSONG KELAPA SAWIT YANG DITAMBAHKAN SLUDGE LIMBAH PABRIK MINYAK KELAPA SAWIT L Syahwan, Firman
Jurnal Teknologi Lingkungan Vol. 11 No. 3 (2010)
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (278.591 KB) | DOI: 10.29122/jtl.v11i3.1177

Abstract

Empty Fruit Bunches (EFB) and sludge are 2 (two) kinds of solid waste of palm oilplant that haven’t been utilized optimally. Their potency are high enough, and both have different characteristic that positively influence each other if both utilized together. The research result showing that composting process of EFB added by sludge is optimally aerobic done with processing time about 13 weeks to produce mature compost. The addition of sludge is positively influence composting process of EFB that its compost product has good quality.Key words : crude palm oil, empty fruit bunches, sludge, composting.

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