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INDONESIA
Jurnal Rekayasa Lingkungan
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Core Subject : Agriculture,
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Articles 589 Documents
ANALYSIS FOR POTENCY AND PRODUCTION OF GRANULE ORGANIC FERTILIZER BASED ON MANURE Sahwan, Firman L.
Jurnal Rekayasa Lingkungan Vol 7, No 2: Jurnal Rekayasa Lingkungan
Publisher : BPPT

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Abstract

Organic materials that are generally used as raw material for organic fertilizer granules (POG) is a natural organic material that has been degrade, smooth and dry. One of the main raw materials are always used with a very high percentage of usage, is manure. Manure potential in Indonesia is very high, amounting to 113.6 million tons per year, or 64.7 million tons per year to the island of Java. From this amount, it will be generated numbers POG production potential of 17.5 million tons per year (total Indonesia) or 9.9 million tons per year for the island of Java. While the realistic POG production predictions figures made from raw manure is 2.5 million tons annually, a figure that has been unable to meet the number requirement of POG greater than 4 million tons per year. Therefore, in producing POG, it should be to maximize the using of the potential of other organic materials so that the use of manure can be saved. With the use of a small amount of manure (maximum 30% for cow manure), it would be useful also to avoid the production of POG with high Fe content.keywods: organic material, manure, granule organic fertilizer
ENERGI NUKLIR SEBAGAI SOLUSI UNTUK MENGHAMBAT PEMANASAN GLOBAL Finahari, Ida Nuryatin
Jurnal Rekayasa Lingkungan Vol 4, No 1: Jurnal Rekayasa Lingkungan
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Abstract

Global warming is the increase in the average temperature of the earth surface, atmosphere and oceans.The global warming in recent years has been international issues. The issues come to the surfacebecause global warming has the very big impact to the world and the lives of animal, plant and human,such as world climate change. The main cause of global warming is the combustion of fossil fuel suchas coal, oil and natural gas, that released carbon dioxide and other gases to atmosphere as greenhousegases. One of alternative to retard this global warming is by replacing fossil fuel with utilization of nuclearenergy for power plant. As a comparison, a 1,000 MWe nuclear power plant as a substitute for coal fi redpower plant at the same capacity, will reduce 6,000,000 tons of CO2 gas emission per year. Consideringenvironmental aspect, the nuclear power plant is not emitting CO2 gas, so that the use of nuclear powerplant can retard the global warming. Considering economic aspect, based on operational experienceof nuclear power plants in advanced countries, it is shown that cost of generating electricity of nuclearpower plants is more competitive than fossil fuel power plant. Considering safety aspect, nuclear powerplant operating in the world, have passed by a technological test. They have also an excellent operationreliability and a very good safety system.
PREFACE Preface, Preface
Jurnal Rekayasa Lingkungan Vol 9, No 1 (2016): Jurnal Rekayasa Lingkungan
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Abstract

KONSERVASI LAHAN TIDUR MENJADI DEMFARM KEBUN AGROMEDIKA HAMBARO (“KAMARO”) Gunarto, Anton
Jurnal Rekayasa Lingkungan Vol 5, No 1: Jurnal Rekayasa Lingkungan
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Abstract

Hambaro Agriculture Medical Farm (Kamaro) is sleeping land which is used for demonstration farming (demfarm) for agriculture medical plants. The aims of this research are (1) to plan, prepared and build demfarm for medical plants especially ginger, turmeric and temulawak, agriculture infrastructure, and another supporting building, (2) implemented land conservation technology with terrace-bench, cultivation and post harvest technology, and (3) introduce the technology to farmers’ around the farm. Form 2004 t0 2008 demfarm ginger production increased from 2.67 ton/ha to 3.50 ton/ha, turmeric production increased from 7.9 ton/ha to 16 ton/ha and temulawak production increased from 17.5 ton/ha to 25 ton/ha.Keywords : Land conservation, medical plants, Hambaro
PREFACE Preface, Preface
Jurnal Rekayasa Lingkungan Vol 5, No 3: Jurnal Rekayasa Lingkungan
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Abstract

STRATIGRAFI BATUAN DAN KONDISI AKUIFER DI KAWASAN WISATA CANDI BOROBUDUR DAN PRAMBANAN Purnama, Ig. Setyawan
Jurnal Rekayasa Lingkungan Vol 6, No 1: Jurnal Rekayasa Lingkungan
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Abstract

Borobudur and Prambanan Temples are icons of cultural tourism in Central Java and Yogyakarta. Increasing settlement, tourist and new facilities, especilly garden, cause the icreasing of groundwater usage. In the long term, the usage of groundwater that exceed the recharge can cause various impact such as land subsidence that can make damage of temples structure. The objectives of this study are to identify the rock stratigraphy in research area and know thecondition of aquifer and its groundwater potency. To achieve these goals, it is carried out geoelectric sounding in 10 samples point, namely five points in Borobudur Temple and five points in Prambanan Temple. To analyse sounding data, the resistivity data from field sounding are interpreted by Schlumberger O’Neil Programme. Base on the interpretation, can be determined rock stratigraphy, aquifer condition and qualitative potency estimation of groundwater in the research area. The results showed that the rock stratigraphy in sourrounding Borobudur and Prambanan Temples are different. The area surrounding Borobudur Temple consist of sand, gravel, tuff, lapilli, claystoneand sandstone, whereas in Prambanan are consist of sand, gravel, soil, rock fracture and sand clayed. Aquifer layer in Borobudur area are consist of sand, gravel , tuff and lapilli, whereas in Prambanan area are consist of sand and gravel. Base on its aquifer material, the groundwater potency in Prambanan area is higher than Borobudur area.Key words : rock stratigraphy, aquifer condition.
Jurnal Rekayasa Lingkungan Lingkungan, Jurnal Rekayasa
Jurnal Rekayasa Lingkungan Vol 11, No 1 (2018): Jurnal Rekayasa Lingkungan
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Abstract

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
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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).
PERANCANGAN PENGOLAH LIMBAH CAIR KOMBINASI PROSES KONTAK DAN AEROBIC LAGOON DENGAN MENGGUNAKAN VISUAL BASIC 6 Subagyo, Heru
Jurnal Rekayasa Lingkungan Vol 4, No 3: Jurnal Rekayasa Lingkungan
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Abstract

Application of computer programming is cheaper and faster method to design waste water treatment reactor. The aim of the program are to calculate dimension of unit operation of waste water treatment type contact process, aerobic lagoon and sedimentation pond and to count BOD output from waste water treatment and arrange of unit operation. It uses Computer Language Visual Basic 6.Key words: Contact Proses, Aerated Lagoon, dimension, BOD, computer programming
PREFACE Preface, Preface
Jurnal Rekayasa Lingkungan Vol 4, No 3: Jurnal Rekayasa Lingkungan
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Abstract

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