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INDONESIA
Jurnal Rekayasa Lingkungan
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Core Subject : Agriculture,
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Articles 19 Documents
Search results for , issue "Vol 8, No 1: Jurnal Rekayasa Lingkungan" : 19 Documents clear
INFORMATION SYSTEM DEVELOPMENT FOR WATER TREATMENT TECHNOLOGY IN DISTRICT PANDEGLANG USING OPEN SOURCE SOFTWARE (OSS) Wahjono, Heru Dwi
Jurnal Rekayasa Lingkungan Vol 8, No 1: Jurnal Rekayasa Lingkungan
Publisher : BPPT

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Abstract

Clean water needs in almost all regions in Indonesia became a very important thing nowadays, although the areas not experiencing drought. This is due to existing water is no longer eligible for use as daily life water. In some areas the water have been polluted and certain natural conditions make it difficult for population to get their water. Pandeglang district is one of disadvantaged areas that experiencing problems of clean water needs, although this area has water resources are abundant. To help residents in solving this problem, it will be required an information of water treatment technology that can be widely accessed by residents in the Pandeglang district. By using opensource software applications, the information system for water treatment technology can be developed to provide information of appropriate technology needs for solving the problem of providing clean water in Pandeglang.keywords : information system for technology, clean water management, waste water treatment, environmental technology, hypertext document, free open sourcesoftware (OSS).
DELIVERY MODEL FORAGE FEED FOR SUPPORTING SUSTAINABLE DEVELOPMENT OF BALI CATTLE ON MARGINAL LAND (Case Study District Gerokgak, Buleleng, Bali) Yasa., dkk, I Made Rai
Jurnal Rekayasa Lingkungan Vol 8, No 1: Jurnal Rekayasa Lingkungan
Publisher : BPPT

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Abstract

This research is aimed at overcoming the limited forage problem at marginal land that adversly affects the sustainability of forest. The research was done at Gerokgak District, Buleleng Regency, Bali Province from April 2010 until March 2011. Because the feed problem is complex and dynamic, systems dynamic modelling was used as the method. This method supported with participatory rural appraisal methods for system identification, mean absolute percentage error method for analysis validity of model, and sensitivity analysis to determine the scenarios of feed scenarios. Simulation results showed that the feed available on the actual conditions (in 2009) is only able to meet 64.5% of the total feed required, and potentially to 48.5% in the long term (year 2034). In that period, the feed supply of 52,629 tons / year increased to 74,886 tons/year while consumption increased from 81,403 tons/year to 155,834 tons/year, thus it potentially increases the damage of forest because the burden of forests as the source of feed would increase from 35.5% to 51.5%. To overcome these problems, five scenarios was developed to increase the feed supply. From the five alternative scenarios, the highest increase of feed supply successively given by Scenario 2 (planting field boundary with forage plants), followed by Scenario 1 (introducing the new technology in maize and rice cultivation), Scenario 5 (building feed storages), Scenario 4 (increasing the number of forest community groups from four to 14) and the last is the Scenario 3 (plantingcorn in the dry season by utilizing irrigation ponds) Those scenarios give the potential additional supply of feed 51.6%, 30.1%, 10.1 %, 3.1% and 0.1% respectively. Partially, no single scenario can provide sustainable feed supply; to do so the combination of at least two scenarios must be implemented.keywords: forage supply model, Bali cattle, marginal land, system dynamicRai
INSIDE COVER Cover, Inside
Jurnal Rekayasa Lingkungan Vol 8, No 1: Jurnal Rekayasa Lingkungan
Publisher : BPPT

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Abstract

MEDICINE HERBS (TOBA) PARK PLANNING IN STRUCTURING PUBLIC HEALHT CENTER (PUSKESMAS) Gunarto, Anton
Jurnal Rekayasa Lingkungan Vol 8, No 1: Jurnal Rekayasa Lingkungan
Publisher : BPPT

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Abstract

Medicine Park Herbalia or Toba Puskesmas (Public Health Center) designed in their yards with the goal as a liaison between the human and the natural environment created to meet the spiritual needs (a beautiful atmosphere, secure, peaceful, relaxed, passive recreation, as a means of social and education) and physical needs (as ingredients, versatile, active recreation) for the occupants of Public Health Center or the owner of Toba. Toba can be said to succeed if the owner liked toba extent of the function and aesthetic value in accordance with the principles of design (theme, gradation, contrast, control) which is expressed in design elements (size, shape, texture, color). For simplicity in selecting the elements forming the park and in maintaining the design Toba need appreciation of art and science and technology through the introduction of the factors softscape and hardscape.keywords : medicine herbs park, public healht center (puskesmas)
PERFORMANCE TESTS OF COMPOST AND PADDY SOIL MEDIA BED ON GHG (CH4 & CO2) ELIMINATION IN LANDFILL Purwanta, Wahyu
Jurnal Rekayasa Lingkungan Vol 8, No 1: Jurnal Rekayasa Lingkungan
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Abstract

One method to reduce emissions of CH4 from municipal solid waste landfill is to modify the final cover layer. Methane (CH4) oxidation by methanotrophs bacteria in the soil cover layer can reduce the concentration of the CH4 emission to the atmosphere. Through field experiments, tested the effect of media bed thickness, moisture and nutrient content in the form of a media bed type that is compost and paddy soil. In general, the efficiency of oxidation by using compost media is higher than the use of paddy soil cover. For both media bed, moisture content 30% more efficient in the oxidation of CH4 compared to 20%. Moisture content determines the rate of gas diffusion between media bed with its gas phase (CH4 and O2). While for a thickness of 25 cm also produced a higher oxidation rate than the 15 cm because of the methanotrophs population.keywords: landfill gas; biofiltration; methane oxydation
PREFACE Preface, Preface
Jurnal Rekayasa Lingkungan Vol 8, No 1: Jurnal Rekayasa Lingkungan
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IN VITRO TEST OF MANNOSE SPECIFIC ADHESIN (MSA) of Lactobacillus sp. AND ETHANOL EXTRACT OF SKIN FRUIT Garcinia mangostana L. BY USING Saccharomyces cerevisiae Yulinery., dkk, T.
Jurnal Rekayasa Lingkungan Vol 8, No 1: Jurnal Rekayasa Lingkungan
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Abstract

Infection disease is a threat for human life. Research on preventing infection disease is very important. The aim this research was to improve the preventing of infection disease. This research was the basic on identification of MSA activity. The in vitro result of MSA which was isolated from mangosteen (Garcinia mangostana L.) and the extract of the fruit skin byusing Saccharomyces cerevisiae. The result showed that there were 11 isolates of potential Lactobacillus, that have variation in MSA activities. Four isolates of them showed that the higher activities between 9.6-11.8 were TM1, BST1, BST2, and BST5. The MSA activities showed by reducing coagulation after adding D-Mannose. The highest activities showedby isolate TM1, and the lowest showed by isolate BST7. By using this method it is clearly found that the skin fruit not contain MSAkeywords : mannose-specific adhesin (msa ), probiotic, Saccharomyces cerevisiae.
FRONT COVER Cover, Front
Jurnal Rekayasa Lingkungan Vol 8, No 1: Jurnal Rekayasa Lingkungan
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Abstract

PROTEASE FROM Bacillus sp. AS A DEGRADING CHICKEN FEATHER FOR PRODUCING FEATHER MEAL Setyahadi., dkk, Siswa
Jurnal Rekayasa Lingkungan Vol 8, No 1: Jurnal Rekayasa Lingkungan
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Abstract

Chicken feathers are a significant source of protein for livestock because ofhigh protein content and contain large amounts of cystine, glycine, arginine, and phenylalanine. Chicken feathers are not hydrolyzed, it is very difficult to digest by nonruminant animals because they contain high keratin. Hydrolyzed chicken feathers are not very difficult to digest by nonruminant animals because they contain high keratin. Raw chicken feathers must be hydrolyzed to be used as a feed ingredient for nonruminant species. Processing through bio-fermentation of chicken feathers would lead to overhaul the structure of the network, termination of disulfide bonds,hydrogen bonds and decreased levels of keratin. One of the processing of chicken feathers into feather meal is to utilize the specific proteases that degrade keratin. Bacillus sp. which has been isolated from Kawah Putih crater, Ciwidey, Bandung is a protease-producing bacterium. Fermentation using a medium containing: 2.8% (w/ v) glucose, 0.5% (w / v) urea and 0.005% (w / v) yeast extract with the conditions of the process carried out at pH 7.5; temperature 37 0C; shaker incubator 150 rpm will produce protease with the activity of 121 U / ml and prote in content 6.65 mg /ml in 36 hours. Hydrolysis of chicken feather needs to be pepsin digestibility tested to ensure that it has been processed correctly. Chicken feathers was obtained from slaughterhouses in Bogor. Pepsin digestibility of feather meal after hydrolyzed by proteases from Bacillus sp. is 67.4%.Keywords: feather meal, protease, fermentation, Bacillus sp.
WISDOM LOCAL EMPOWERMENT IN SUSTAINABLE DEVELOPMENT PERSPECTIVE Mawardi, Ichwanudin
Jurnal Rekayasa Lingkungan Vol 8, No 1: Jurnal Rekayasa Lingkungan
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Abstract

Local wisdom is the people knowledge which comes from long evolved period between the people and their environment. Local wisdom by the some people is made as a basis in environment management based on sustainable development. Technology advancement in globalization era has impact to the development and existence of local wisdom, are values or the customs are considered have been outdated compared to the modern age advancement. On the other side, in fact the if reviewed the principles and concept of local wisdoms can live side bi side with this globalization era, even they can be made as a reference for the sustainable development, certainly after they going through empowerment of values and the local wisdom. Empowerment of local wisdomcan be conducted through various aspect such as : enhancing local values through application and utilization of advanced technology, strengthening people institutional of those who manage natural resources, enforcing implementation through establish of regulations (positive law) and so on.keywords : local wisdom, sustainable development, management based on people

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