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JURNAL TEKNOLOGI LINGKUNGAN

JTL
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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.

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Articles 28 Documents

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Search results for , issue "Vol. 9 No. 2 (2008): JURNAL TEKNOLOGI LINGKUNGAN" : 28 Documents clear

STUDI EFEK PENGGUNAAN BIODIESEL TERHADAP EMISI PADA SEKTOR TRANSPORTASI DI JAKARTA Wirawan, Soni S
Jurnal Teknologi Lingkungan Vol. 9 No. 2 (2008): JURNAL TEKNOLOGI LINGKUNGAN
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Biodiesel has been proven by world wide numerous studies as an environmental friendly alternative diesel fuel. Biodiesel is essentially sulfur free. Engines fueled by biodiesel emit significantly fewer particulates, hydrocarbons and less carbon monoxide than that operating conventional diesel fuel. The maximum utilizationof biodiesel in Indonesia could improve the air quality level in major cities especially in Jakarta. The objective of this study is to assess the effect of biodiesel utilization in transportation sector to the air pollution level in Jakarta. The targeted emission in the study are carbon monoxide (CO), nitrogen oxides (NOx),hydrocarbons (HC), sulfur oxides (SOx) and particulate matter (PM) from vehicle sources. The scenarios used in this study are the utilization of B10 in 2010 and increased to B20 in 2015, B30 in 2020 and B50 in 2025 as an automotive diesel fuel substitution in Jakarta. The result showed that the utilization of biodieselcould improve the air quality level in Jakarta, especially on SO2 and PM emission. By using B10 in 2010, the emission of SO2 and PM will decrease 7,95% (2.070 ton) and 15,62% (1.680 ton) respectively compared to utilizing of pure fossil automotive diesel oil. The highest emission improvement was shown on B50 in2025 scenario. The reduction of SO2 and PM was reached 35,69% (16.660 ton) and 23,21% (4.360 ton) respectively.

LIMBAH GERGAJI KAYU SEBAGAI BAHAN FORMULA MEDIA JAMUR SHIITAKE (LENTINULA EDODES) Widyastuti, Netty
Jurnal Teknologi Lingkungan Vol. 9 No. 2 (2008): JURNAL TEKNOLOGI LINGKUNGAN
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

The sawdust can be utilized as mushroom formulation medium , like shiitake (Lentinus edodes /Lentinula edodes). The antitumor properties of lentinus are attributed to the presence of polysaccharide lentinan. Lentinan can be utilized as reducing diabetes, and effective to againts influenza virus. Usually, Albazia falcataria sawdust were utilized by mushroom growers in Indonesia. Optimum temperature for shiitake growth is 24oC and pH4.7 – 4.8 (mycelium phase), 20oC and pH 4.2 – 4.6.(fruit body phase). The elevation for best cultivation is 800 – 1000 m above sea level, humudity almost 95 – 100%. Ifused log system, shiitake will be harvested after 2-3 months fruiting bodies were produced. Biological efficiency (BER) was 45%.

PENGARUH PEMUPUKAN PADA TANAMAN JARAK PAGAR ( JATHROPA CURCAS L. ) TERHADAP DAYA SERAP LOGAM BERAT KROMIUM Sudaryono, Sudaryono
Jurnal Teknologi Lingkungan Vol. 9 No. 2 (2008): JURNAL TEKNOLOGI LINGKUNGAN
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Productivity of agricultural land contaminated with tannery wastes originatedchromium is decreased. Crop produced on the contaminated land is toxic for human and animal. An alternative to solve this problem is by using plants which are able to tolerate the contaminant, produce high yield, able to accumulate highconcentration of the contaminant and non consumed. The aim of this research was to find out the effect of cattle manure and biofertilizer in supporting the giant castor bean grown on tannery wastes originated-chromium contaminated land and the ability of cattle manure and biofertilizer in influencing chromium absorptionby the plant.The result showed that giant castor bean can grow normally on chromium contaminated soil. There was no interaction between cow manure and biofertilizer for all observed variables. Cattle manure and biofertilizer have no effect to almost all of the observed variables, except that cattle manure affecting total leaf number and leaf area ratio. Giant castor bean grown on contaminated soils contain 5 – 9 ppm chromium in the leaf. Therefore, giant castor bean could not be considered as higher accumulator plant.

PERSYARATAN LABORATORIUM LINGKUNGAN DAN KONDISINYA DI INDONESIA Kardono, Kardono
Jurnal Teknologi Lingkungan Vol. 9 No. 2 (2008): JURNAL TEKNOLOGI LINGKUNGAN
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

The level of environmental quality is indicated by how much the pollutants enter into and stay in it, that is whether they are still below or already above the regulated pollutants standard. In knowing pollutant concentration in the environment, pollutantmeasurement must be done by employing appropriate instrument and using qualified/ certified operator. Therefore, the role of environmental laboratory is crucial in preparing instrumentation, operator, as well as standard operating procedure (SOP) in order for sampling and analysis of pollutants to work properly and result qualified data. This type of laboratory is strongly determined by how the laboratory is operated with the standard mechanism, called good laboratory practice (GLP). GLP will be met by the laboratory that owns the current state of the art instrumentation, capability and experience of the operator/analyst in conducting sampling and analysis, availability of SOP, capability to control thequality (Quality Control) and to assure the quality (Quality Assurance) of its work and the results. Some of laboratory in Indonesia has received certification from National Committee on Acreditation (KAN). However, the granted certification from the KAN must be first checked whether it is for all or part of the laboratory capabilities. Second, whether during the analysis it is already checked the accuracy and preciseness of the instrument employed. Unlike in developed countries, this type of such check has not so far been done in Indonesia. In term of QualityAssurance, the institution that grants the laboratory certification, for example KAN in Indonesia, will send blind samples to targeted laboratory to analyze how much the concentration of certain pollutants detected by this laboratory. Third, whether the operators have strongly followed the existing SOP. Thus, in order to operate laboratory in a right procedure and accuracy, a lot of work must be done carefully in order to result a qualified data. This paper is going to describe and to evaluate how the environmental laboratory is operated and how their condition in Indonesia.

RANCANG BANGUN SISTEM PENGELOLAAN PERMUKIMAN DI KAWASAN PINGGIRAN METROPOLITAN (STUDI KASUS: KORIDOR JALAN CIRENDEU, KABUPATEN TANGERANG) Heripoerwanto, Eko D
Jurnal Teknologi Lingkungan Vol. 9 No. 2 (2008): JURNAL TEKNOLOGI LINGKUNGAN
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

People who were seeking housing in relatively good environment in the fringe area of metropolitant have found themselves experiencing the negative impact of continuing suburban sprawl and housing growth, especially when basic infrastructures and urban services are insufficient. Together with the increasingenvironmental pressure caused by traffic jam and pollution, all of these condition have absolutely been lowering their amenities, then in turn their quality of life. The problems are whether is there any lack of specific steps in formulating the policy and if not, is there any gap beetween knowledge and action in implementingthe policy? This research tries to reveal what exactly the needed processes andntype of strategic planning are to produce to make a Sustainable SettlementnManagement System Modelling possible. The research intended to establish policy model through soft system methodology (SSM), which is considered the most suitable approach to this area, that is characterized by the interwoven ofunstructured problems involving multisectors, multiactors, and multidisciplines. The findings of the research are the need of a better processes in public policy formulation upon the fringe areas of metropolitan, by involving knowledgable persons. Using this mechanism, the research come to the conclusion that astrong policy on developing infrastructure and transportation as well as the provision of social-public facilities within walking distance in an integrated way with the development of housing and settlement in order to maintain the level of amenities are needed. In addition to these findings, community-based organization,such as home-owner asssociation, has to be established in order to allow a bigger room for community participation in implementing the public policy.

PENGOLAHAN LINDI (LEACHATE) DENGAN MODEL COAGULATION - BIOFILTER UNAEROBIC Ganefati, Sri Puji
Jurnal Teknologi Lingkungan Vol. 9 No. 2 (2008): JURNAL TEKNOLOGI LINGKUNGAN
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Leachate, especially from the landfill, is a pollutant that can harm human health and pollute the environment including aquatic biota, because the leachate contains various chemicals both organic and inorganic substances and also pathogen bacteria. Laboratory test by Department of Health – Yogyakarta (2001) showed that leachate from landfill had Biological Oxygen Demand (BOD) of 1032 mg/liter in which this was much higher than the limit allowed (BOD = 150 mg/liter. In order to reduce BOD in leachate, a treatment is needed. In this experiment a treatment to reduce BOD in leachate was carried out by applying coagulation andanaerobic bio-filtration with the time of 1, 2, and 3 hours. Evaluation of the tests was conducted using pre-test and post-test with control design which analysis was made descriptive and analytically using T-test with the error of about 5% (á =0,05). Results of the experiment indicated that there was a tendency of BOD reduction of about 0.9% - 1.1% for the control samples, whereas the BOD reduction for leachate attained 82.3% -90.5%. Based on the T-Test, the probability result was 0.000 (p< á =0.05). This means that there is a significant difference in BOD reduction between control samples and leachate. In other words leachate treatment using coagulation – anaerobic bio-filtration can be taken as an alternative process to reduce BOD.

MITIGASI DAERAH RAWAN TANAH LONGSOR MENGGUNAKAN TEKNIK PEMODELAN SISTEM INFORMASI GEOGRAFIS; STUDI KASUS: KECAMATAN SUMEDANG UTARA DAN SUMEDANG SELATAN Mubekti, Mubekti
Jurnal Teknologi Lingkungan Vol. 9 No. 2 (2008): JURNAL TEKNOLOGI LINGKUNGAN
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Landslide is the main natural disaster in the study area of North Sumedang and South Sumedang sub-districts. The spatial distribution of landslide hazard and risk are not available yet that important for decision making. The aim of research is to providegeographic information system technology for developing a model for landslide hazard mitigation. The results show that a part of the area in the North Sumedang and South Sumedang subdistrict has moderate class covering 8.460,41 Ha (65,5%) and high landslide hazard is covering 2.798,44 Ha (21,67%), low landslide hazard zone = 1.570,25 Ha (12,16%) and very low landslide hazard 85,69 Ha (0,66%). By combining landslide hazard and property value, a prediction of landslide risk was produced. Despite the majority of the area has low risk class (9.564,16 Ha/74,07%), but the highrisk area occurred in minimal places (86,44 Ha/0,67%). This phenomena showed that area with high potential level of landslide hazard is not always having a high value of risk. Since the risk calculation is determined by properties value such as:infrastructure, road network and land use. While the landslide hazardous level is determined by natural factors such as : slope, soil type, geology and land use.

PENELITIAN SUMBER AIR BERSIH BAWAH TANAH DI PULAU FLORES Edyanto, CB Herman
Jurnal Teknologi Lingkungan Vol. 9 No. 2 (2008): JURNAL TEKNOLOGI LINGKUNGAN
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

One of the most important of human life is water. Water may provide easily in certain areas , however, some parts in the world are still being suffered from the lack of fresh water. In eastern part of Indonesia for example people found the source of water several kilometers from their home and meet their basic need for their life. This research was executed in Flores Island to identify and explore the underground water which might be trapped under the town of Ende.

KONSERVASI FLORA, TANAH DAN SUMBERDAYA AIR EMBUNG-EMBUNG DI TIMOR BARAT PROVINSI NUSA TENGGARA TIMUR (STUDI KASUS Ã¢â‚¬â„¢EMBUNGÃ¢â‚¬â„¢ OEMASI-KUPANG DAN Ã¢â‚¬â„¢EMBUNGÃ¢â‚¬â„¢ LEOSAMA-BELU) Widiyono, Wahyu
Jurnal Teknologi Lingkungan Vol. 9 No. 2 (2008): JURNAL TEKNOLOGI LINGKUNGAN
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

Conservation of flora, soil and water resources are very important to manage‘embung’ ecosystem, in West Timor Island. Generally, ‘embung’ watersheds in this area are degraded, and consequently resulted high runoff and erosion rate; and at the same time, ‘embung’ water has not been used efficiently yet. To conserve ‘embung’ ecosystem, three methods can be applied, i.e.: 1). Flora conservation by using priority of local species; 2). Soil conservation by usingvegetative methods; and 3). Water resources conservation in watershed area by combining flora and soil conservation; and increasing water used efficiency by using intermediate technology.

PENERAPAN SIG UNTUK PENYUSUNAN DAN ANALISIS LAHAN KRITIS PADA SATUAN WILAYAH PENGELOLAAN DAS AGAM KUANTAN, PROVINSI SUMATERA BARAT Nugroho, Sutopo Purwo
Jurnal Teknologi Lingkungan Vol. 9 No. 2 (2008): JURNAL TEKNOLOGI LINGKUNGAN
Publisher : Center for Environmental Technology - Agency for Assessment and Application of Technology

The increment of critical land extent is still undergoing because of change of land use without accompanied with conservation of land and water proportionally. Hence, it is need to carry out rehabilitation of land and forest by considering critical land map which is purposed to define priority scale, both its spatial and time. By applying technology of Geographic Information System (GIS), it can be mapped critical land according to standard of critical land criteria. In addition, the constraint of manual map can be reduced, particularly in information processing and map reproduction. In Agam Kuantan Watershed, critical land of forest has extent of 778.704,2 ha, and outside there area is about 496.486,7 ha.

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