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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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TEMPAT PENGOLAHAN SAMPAH TERPADU (TPST) URGENSI DAN IMPLEMENTASINYA Sahwan, Firman L.
Jurnal Rekayasa Lingkungan Vol 6, No 2: Jurnal Rekayasa Lingkungan
Publisher : BPPT

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Abstract

TPA is the main priority in handling municipal solid waste in Indonesia, with many problems and challenges. TPST is one of other alternatives in handling solid waste in accordance with Solid Waste Management Law No. 18 year 2008, therefore it has an important role in reducing heavy burden of TPA. Activities that can be done in TPST are collecting, sorting, re-using, re-cycling, treatment of fi nal processing, either for organic solid waste or for inorganic solid waste. However, based on characteristic of municipal waste, it’s better the stressing activities are pointed to organic solid waste treatment that make composting as the main alternative activity. Government support and help are much needed in order that TPST activity can be optimally done.Keywords : municipal solid waste, integrated treatment facility, composting
STUDY ON PROPAGATION AND GROWTH OF ARROWROOT (Maranta arundinaceae L.) AVAILABILITY IN A DIFFERENT LIGHT CONDITION Wawo., dkk, Albert H.
Jurnal Rekayasa Lingkungan Vol 7, No 2: Jurnal Rekayasa Lingkungan
Publisher : BPPT

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Abstract

Study on propagation and growth of arrowroot (Maranta arundinaceae L.) on different availability light condition. Arrowroot is a rhizome herbaceous plant that has potential as carbohydrate resources. The aims of this research are to use rhizome efficiently as material propagation on different availability light condition in order to get the best plant growth and arrowroot production. The research included 2 factors, which were internodes number of rhizome and shading, consisted of 6 combined treatments as factorial with Randomized Complete Design and three repetitions. The result of this research shown that by using 3 internodes of rhizome is the best material for propagation and produced the highest rhizome. The height of arrowroot was higher under shading than without shading. Arrowroot plants without any shading produced the highest fresh weight of rhizome compared to with 30% shading in Bogor condition.keywords: arrowroot, propagation, number of internode, shading.
KEBIJAKAN DAN STRATEGI PENGELOLAANAIR LIMBAH DOMESTIK DI INDONESIA Yudo, Satmoko; Said, Nusa Idaman
Jurnal Rekayasa Lingkungan Vol 10, No 2 (2017): Jurnal Rekayasa Lingkungan
Publisher : BPPT

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Abstract

Masalah pencemaran lingkungan di kota-kota besar menunjukkan gejala yang cukup serius khususnya pencemaran air. Penyebab pencemaran tersebut tidak hanya akibat air limbah industri tetapi hal ini juga air limbah rumah tangga/permukiman (domestik) yang semakin hari makin besar sesuai perkembangan penduduk. Upaya-upaya pemerintah dalam menanggulangi permasalah tersebut telah banyak dilakukan antara lain telah dikeluarkan undang-undang maupun peraturan-peraturan baik dari pemerintah maupun dari kementerian serta lainnya. Akan tetapi hasilnya masih belum signifikan, permasalahan masih terus berlanjut. Tujuan dari penulisan ini adalah untukmemberikan informasi tentang kebijakan dan strategi pengelolaan air limbah domestik dalam rangka mendukung pengelolaan air limbah permukiman yang terpadu, efisien dan efektif dalam perencanaan, pembiayaan dan pembangunaan serta pelaksanaannya. kata kunci : pencemaran air, air limbah domestik, kebijakan dan strategi 
FRONT COVER Cover, Front
Jurnal Rekayasa Lingkungan Vol 9, No 1 (2016): Jurnal Rekayasa Lingkungan
Publisher : BPPT

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Abstract

PENGOLAHAN DAN PEMANFAATAN AIR LIMBAH INDUSTRI BIODIESEL Mulyanto, Adi
Jurnal Rekayasa Lingkungan Vol 5, No 1: Jurnal Rekayasa Lingkungan
Publisher : BPPT

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Abstract

As a tropical country, the availability of biomass is very abundant in Indonesia. Biomass is a source for renewable energy. One of the renewable energy is biodiesel. Biodiesel is produced by trans-esterifi cation of oil/fat. During the process, biodiesel industry produces either wastewater and/or solid waste. The wastes should be treated carefully. The wastes from biodiesel industry are categorized as organic wastes. Therefore, the treatment and utilization of such wastes is done biologically. The wastewater will be treated through in series of anaerobic, aerobic process and artifi cial wetland. Gas resulted from the stripping process in aerobic lagoon will be treated by using biofi lter. The solid waste will be utilized for producing compost by wind row composting. Wastewater from biodiesel industry contains high organic matter. The Chemical Oxygen Demand (COD) and Biological Oxygen Demand (BOD) are 21.300 mg/L and 6.300 mg/L. Therefore, during treatment the process should be carefully handled. The quality of treated wastewater will be improved by treating it in an artifi cial wetland. When the treated wastewater has a positive impact towards the plant growth in the artifi cial wetland, then the treated wastewater will be utilized for liquid fertilizer by adding the macro and micro nutrient such as N, P, K, Ca, Mg, Mn, Co,Mo, S, and so forth. The prototype of wastewater treatment facility has been built in PUSPIPTEK Serpong with the capacity of 2.5 m3 of wastewater/day. The anaerobic process is established in an anaerobic digester (fi xed bed). The bed used is made of plastic. The aerobic digester is an activated sludge. Therefore, side products from this activity are biogas, compost and liquid fertilizer.Key words: fixed bed digester, activated sludge, biofi lter, compost, artifi cial wetland.
FRONT COVER Cover, Front
Jurnal Rekayasa Lingkungan Vol 5, No 3: Jurnal Rekayasa Lingkungan
Publisher : BPPT

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Abstract

PEMANFAATAN TANAMAN GULMA KAYAMBANG (Salvinia Molesta) SEBAGAI BAHAN PAKAN AYAM BURAS MELALUI ENERGI METABOLISMENYA Akhadiarto, Sindu
Jurnal Rekayasa Lingkungan Vol 6, No 1: Jurnal Rekayasa Lingkungan
Publisher : BPPT

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Abstract

Kayambang is water seed from Indonesia which can be used for animal feed. In village it is usually used for duck and village fowl (kampong chicken). Kayambang grows very much on water surface and have hight nutrition include energy and protein. Animal feed are used for growth requirement and to support sintetics reactionsform its body. Energy from the feed is not used for animal infull. In each ingredient at least has 4 kind of energy : Gross Energy, Digestible energy, Metobalic energy and netto energy. Metabolic energy is impotant to measure form each ingredient because it is used for all requirement such as maintanance, growth, feedlot and layer. This research has goal for knowing about metabolic energy which can be used for animal especially for village fowl.The methodology was done by 14 male village fowl (11 chicken for metabolic energy, 3 chicken for endogenous nitrogen). Individual was caged to collect feces. Kayambang was used as meal and given to the chicken. The results showed that Kayambang has energy contains potentially for village fowl. Total metabolic energy is 2857,56 and apparent metabolic energy is 2433,66 Kkal/kg.Key words : kayambang, village fowl, animal feed, nutrition.
OTOMATISASI TEKNOLOGI ULTRAFILTRASI KAPASITAS 5 M3/HARI, NAGARI SAGO SALIDO KABUPATEN PESISIR SELATAN SUMATERA BARAT setiadi, Imam
Jurnal Rekayasa Lingkungan Vol 11, No 1 (2018): Jurnal Rekayasa Lingkungan
Publisher : BPPT

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Abstract

Pemenuhan kebutuhan dasar berupa air bersih serta akses untuk mendapatkan air bersih yang sehat menjadi kebutuhan dasar yang harus dipenuhi terutama di daerah-daerah yang rawan air. Terutama daerah-daerah yang sulit dijangkauatau tidak terjangkau sama sekali oleh layanan air bersih yang disediakan oleh Perusahaan Daerah Air Minum, dan secara geografis memang susah untuk mendapatkan sumber air yang baik. Adanya sarana penyediaan air bersih sistemultrafiltrasi yang dikembangkan oleh Pusat Teknologi Lingkungan BPPT memungkinkan untuk diterapkan dilokasi-lokasi sulit air, dan dengan demikian masalah kesulitan air dapat teratasi. Hanya saja perlu pengelolaan yang baik, serta operator yang cakap, sehingga memungkinkan alat tersebut dapat beroperasi secara berkesinambungan. Kemudahan dalam menjalankan, serta otomatisasi menjadi pertimbangan tersendiri terhadap kemudahan dalam pengoperasian alat tersebut. Pemilihan pompa-pompa, serta peralatan pengontrol tangki-tangki dipilih sedemikian rupa agar tidak menyulitkan masarakat ketika mencari suku cadangnya. Untuk mengontrol tangki-tangki air pada sarana penyedia air bersih sistim ultrafiltrasi digunakan teknologi yang sederhana, yaitu radar untuk mengatur tinggi muka air serta twin timeruntuk produksi dan pencucian balik (backwash). Sistem kontrol radar dan twin timer berharga murah, mudah dalam penerapanya dan jaminan ketersediaan suku cadangnya bahkan banyak di kota-kota kecil. kata kunci : air bersih, ultrafiltrasi, otomatis, murah, mudah
FRONT COVER Cover, Front
Jurnal Rekayasa Lingkungan Vol 8, No 1: Jurnal Rekayasa Lingkungan
Publisher : BPPT

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Abstract

KEMAMPUAN DAN KEKUATAN BIOREMEDIASI AGEN HAYATI JAMUR FUNGI PELAPUK PUTIH dkk, Donawati
Jurnal Rekayasa Lingkungan Vol 4, No 3: Jurnal Rekayasa Lingkungan
Publisher : BPPT

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Abstract

Indonesia is a tropical country and the richest country in the world for biodiversity, including fl ora and fauna, invertebrates, phytoplankton, bacteria, and huge number of fungus such as mushrooms, molds, mildews and smuts. White rot fungi is one of the ubiquitous creatures in Indonesia. Results indicated that white rot fungus has ability to degrade successfully some organic pollutansin the environment, such as polycyclic aromatic hydrocarbons (PAH), Polychlorinated Biphenyls (PCB’s), Trinitrotoluence (TNT), and DDT. This organism has ability to release intra and extra-cellular enzymes. There are three important rules in these degradation processes, called lignin modifi ed enzymes (LME’s) including Lignin peroxidase, Mn-dependent peroxidase and Laccase. White rot fungi contains all three enzymes and able to breakdown and mineralize several environmental pollutants into non toxic forms. This paper discuss several processes responsible for this degradation.Key words: White rot fungi, bioremediation, lignin modifi ed enzymes, persistent organic pollutants.

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