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INDONESIA
Jurnal Rekayasa Lingkungan
Published by Badan Pengkajian dan Penerapan Teknologi
ISSN : -     EISSN : -     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Arjuna Subject : -
Articles 589 Documents
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PEMANFAATAN LIMBAH JAGUNG MENJADI PUPUK ORGANIK UNTUK PENYUBURAN LAHAN PERTANIAN Mulyono, Daru
Jurnal Rekayasa Lingkungan Vol 6, No 1: Jurnal Rekayasa Lingkungan
Publisher : BPPT

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Abstract

The use of maize waste plant materials (stem, leaf, and husk cover) have high economic value to be processed become organic fertilizer for agricultural land fertilizer. Maize have several and quite high contents of macro and micro nutrients. This activity was hoped that the farmers can overcome the increasing price of inorganic fertilizer recently and furthermore farmers can reap higher income. Beside higher income the use of organic fertilizer can improve the nature and behaviourof land through improving of soil chemical, soil physical, and soil microorganism. Therefore, the appropriate technology for processing of maize become organic fertilizer is very important to be diffused or socialized to farmers.Keywords: fertilizer, maize waste
PENERAPAN BIAYA LINGKUNGAN DALAM PERLINDUNGAN SUMBERDAYA ALAM DAN KELESTARIAN LINGKUNGAN Santoso, Arif Dwi
Jurnal Rekayasa Lingkungan Vol 11, No 1 (2018): Jurnal Rekayasa Lingkungan
Publisher : BPPT

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Abstract

Pada dekade belakangan ini, perusahaan dituntut untuk ikut andil dalam  perlindungan lingkungan dan bertanggung jawab terhadap kondisi sosial masyarakat di sekitar perusahaan. Dampak dari aktivitas produksi atau jasa suatu perusahaan dapat menimbulkan berbagai masalah lingkungan yang merugikan berbagai pihak. Hal ini merupakan suatu beban sosial, yang harus diatasi bersama secara serius. Tanggung jawab perlindungan lingkungan oleh perusahaan otomatis akan berdampak pada kinerja keuangan perusahaan akibat dengan bertambahnya biaya operasional. Pencatatan dan perhitungan biaya akibat pengelolaan lingkungan merupakan sebuah konsep yang membantu perusahaan dalam mengatur dan memperkirakan dampak-dampak bisnis dalam bentuk penyederhanaan unit moneter. Konsep ini dikenal dengan Akuntansi Manajemen Lingkungan yang memfokuskan pada bantuan perusahaan dalam permasalahan lingkungan dengan mencatat seluruh aktivitas produksinya untuk dilaporkan dalam laporan biaya lingkungan perusahaan. Makalah ini akan mengulas secara detail tentang pengelolaan akutansi manajemen lingkungan pada suatu perusahaan. Pembahasan akan mengupas tentang pengertian,model dan pengukuran dana lingkungan yang efektif.kata kunci: akutansi manajeman lingkungan, biaya lingkungan, perusahaan
INSIDE COVER Cover, Inside
Jurnal Rekayasa Lingkungan Vol 8, No 1: Jurnal Rekayasa Lingkungan
Publisher : BPPT

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Abstract

PENCAHAYAAN RUANG ARSITEKTUR DENGAN FIBER OPTIC SEBAGAI ALTERNATIF PENCAHAYAAN ALAMI DAN PEMANFAATAN ENERGI TERBARUKAN Anggoro, Suryo
Jurnal Rekayasa Lingkungan Vol 4, No 3: Jurnal Rekayasa Lingkungan
Publisher : BPPT

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Abstract

Natural daylighting methods for building commonly used windows and facade openings to let sunlight inside the interior of building. Hence, light quality received sometimes inadequate and unoptimal which caused natural lighting being replaced by artifi cial (electric) lighting that lead into dependency of electrical lighting. Fiber optic has a capability of transmitting optical wave including sunlight which already collected throught concentrating sunlight collector. Through fi ber optic sunlight transmitted inside building with better intensity and improved quality than artifi cial produced light.Key words: daylighting, fi ber optic
INSIDE COVER Cover, Inside
Jurnal Rekayasa Lingkungan Vol 4, No 2: Jurnal Rekayasa Lingkungan
Publisher : BPPT

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Abstract

KARAKTERISTIK FISIK DAN TINGKAT BAHAYA EROSI TANAH ULTISOL sudaryono, Sudaryono
Jurnal Rekayasa Lingkungan Vol 5, No 3: Jurnal Rekayasa Lingkungan
Publisher : BPPT

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Abstract

Soil erosion is a major factor leading to cause land damage in the upstream region. Therefore, erosion control should be done in the preservation of land resources and the environment can be maintained and the welfare of farmers can be improved. Land Ultisol widespread in many Kalimatan Islands, ultisol soil types other than guilty of fertility, soil types have the property ultisol easy erosion. As a result of coal mining activities carried out by PT KPC lead to peeling layers of top soil to the depth of rock. This stripping has directly changed the soil condition. Ultisol soil physical conditions in Kalimanan (available water capacity, density lumps, texture, structure, pore space and permeability of the soil) are relatively low, so they need to improve theaddition of organic materials, and lime. The process of reclamation of former coal mining PT. KPC has been done very well. The analysis of fertility levels and the amount of potential soil erosion occurs indicates that the post-miningrehabilitation revegetation way to post-mining land with the procedure referred. It can be seen from the parameters of soil fertility and erosion rates of post-mining land have been rehabilitated (56.5614 erosion rates tons/hectare/year) with areas of pristine forests (erosion rates 52.175 tons/hectare/year) were not show significant changes.Keywords: ultisol, rehabilitation, physical soil, erosion
BACK COVER Cover, Back
Jurnal Rekayasa Lingkungan Vol 10, No 1 (2017): Jurnal Rekayasa Lingkungan
Publisher : BPPT

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Abstract

MASALAH DAN ALTERNATIF TEKNOLOGI PENGOLAHAN AIR UNTUK MASYARAKAT MISKIN KOTA Herlambang, Arie
Jurnal Rekayasa Lingkungan Vol 6, No 3: Jurnal Rekayasa Lingkungan
Publisher : BPPT

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Abstract

Clean water to poor communities who live in crowded municipal area is stillexpensive and a luxury. This condition is evidenced by the number of people whouse ground water for their daily water, because water taps still seems expensivefor them. Diarrheal disease is still relatively high for Indonesia, where nearly 16thousand people suffer from diarrhea due to poor sanitation. To help the poor inthe city, there are several alternative technologies that can be applied to publicaccess to clean water and adequate low-cost, including ground water treatmenttechnology with a filter system equipped with an ultraviolet sterilizer, or ozonegenerators, or using ultrafiltration, if possible can also use the reverse osmosismembrane that for fresh water. Arsinum is the best alternative should be chosenfor fulfilled potable water in slump area.Keywords : Sanitation, water treatment technology, portable water, low-cost, slump area
XYLANASE, AN ENVIRONMENTALLY FRIENDLY BLEACHING AGENT FOR PULP AND PAPER: Characterization And Stabilization Study Of Bacillus licheniformis I-5 CRUDE Xylanase Wahyuntari., dkk, Budiasih
Jurnal Rekayasa Lingkungan Vol 7, No 3: Jurnal Rekayasa Lingkungan
Publisher : BPPT

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Abstract

Isolate I-5 was isolated from Ciseeng hot spring, West Java and was identified as Bacillus licheniformis I-5. The isolate produces extracellular xylanolytic enzymes on Oatspelt containing Luria broth agar medium. Optimal activity of the crude enzyme was  observed at 50ºC and pH 7. The effect of sodium dodecyl sulphate, b-mercaptoethanol and Triton-X100 were observed. Incubating the crude enzyme in 1.5% SDS and 1.5% b-mercaptoethanol at 50oC for 90 minutes then adding Triton-X100 at final concentration of 3.5% for 45 minutes only reduced 5.75% of the initial enzyme activity. SDS/PAGE and zymogram analysis showed that at least two xylanolytic enzymes presence in the crude enzyme. The molecular weight of the enzyme was estimated about 127 and 20kD. The enzyme hydrolysed xylan into xylobiose, xylotriose and other longer xylooligosaccharides. Thermal stability of the crude enzyme was observed at 50, 60, and 70oC and pH 7 and 8. The results showed that the half time of the crude enzyme incubated at 50, 60, and 70oC pH 7 was 2 hours 55 minutes; 2 hours 33 minutes and 1 hour 15 minutes respectively. The half time at 50, 60 and 70oC, pH 8 was 2 hours 48 minutes; 1 hour 22 minutes and 1 hour 9 minutes respectively.keywords: Xilanase, Bacillus licheniformis I-5, thermal stability
AKLIMATISASI BENUR UDANG WINDU (Penaeus Monodon) SEBAGAI UPAYA BUDIDAYA DI LUAR LINGKUNGAN HIDUPNYA: SEBUAH KASUS DI KABUPATEN LAMONGAN Maryadi, Maryadi
Jurnal Rekayasa Lingkungan Vol 4, No 2: Jurnal Rekayasa Lingkungan
Publisher : BPPT

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Abstract

Penaeus monodon or tiger prawn is the most prominent farmed crustacean product in international trade and has driven a signifi cant expansion in aquaculture in many developing countries in Asia. Market prices during its early development were quite good due to little competition and strong demand from the international markets, mainly Japanese market. Culture technology in inland areas has been improved using a very minimal amount of seawater (only 2-3ppt) and closed systems to prevent salinization offreshwater resources. The model of culturing commercial tiger prawn on minimal amount of seawater in Lamongan Regency was applied since 1987.Key words : benur udang windu, Peneaeus Monodon

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