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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 21 Documents
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Search results for , issue "Vol 5, No 1: Jurnal Rekayasa Lingkungan" : 21 Documents clear
KONSERVASI LAHAN TIDUR MENJADI DEMFARM KEBUN AGROMEDIKA HAMBARO (“KAMARO”) Gunarto, Anton
Jurnal Rekayasa Lingkungan Vol 5, No 1: Jurnal Rekayasa Lingkungan
Publisher : BPPT

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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
PENINGKATAN KUALITAS LIMBAH KULIT SINGKONG MELALUI PENAMBAHAN ASAM PROPIONAT SEBAGAI BAHAN BAKU PAKAN TERNAK Akhadiarto, S.
Jurnal Rekayasa Lingkungan Vol 5, No 1: Jurnal Rekayasa Lingkungan
Publisher : BPPT

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Abstract

Feed represent especial factors of animal husbandry because owning biggest expense from production cost. Feed effi ciency must be done to increase earnings. One of effort for the matter of that is look for alternative of raw material feed of cheaper livestock that is cassava peels. Cassava peels represent waste product from cassava industry with amount 1,998 million ton in the year 2006 in Indonesia (10 percentage of corm of yielded cassava). As constraint is its amount is which have the fl uctuation so that need depository effort of cassava peels. This research aim to know infl uence of use propionic acid as preservative to quality of nutrient of cassava peels. A period of depository observed too for its quality. Research conducted by during six-month in feed industrial laboratory of indicate that addition of 0.3% propionic acids and depository period infl uence quality of nutrient of cassava peels manifestly (P<0.05). Addition of 0.3% propionic acid gratuity not yet able to pursue growth of microorganism during depository. Growth of mould during depository infl uence to descend of water percentage, organics substance, protein, digesting of organic substance and digesting of dry substance.Key words : cassava pells, waste, propionic acids, nutrient.
PENGARUH PENAMBAHAN DOSIS UREA DALAM AMONIASI LIMBAH TONGKOL JAGUNG UNTUK PAKAN TERNAK TERHADAP KANDUNGAN BAHAN KERING, SERAT KASAR DAN PROTEIN KASAR Fariani., dkk, A.
Jurnal Rekayasa Lingkungan Vol 5, No 1: Jurnal Rekayasa Lingkungan
Publisher : BPPT

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Abstract

The objective of this research was to study the effect of urea dose in corn cob ammoniation on the dry mater , crude fi ber and crude protein. This research was done in two processes. The fi rst process was producing corn cob ammoniation within 7 days. The second process was analyzed the nutritive value of corn cob ammoniation. This research used Completely Randomized Design with 4 treatments and 4 replications were : A (control), B (corn cob+ 2% urea), C (corn cob + 4% urea), D (corn cob + 6% urea), each treatment added with poultry manure 15% of corn cob dry weight. The parameters measured were dry matter, crudefi ber and crude protein. The result showed that all the treatments resulted signifi cantly differences on dry matter, crude fi ber and crude protein. The conclusion of the research was that the treatment by addition urea 4% gave the best result.Key words : Corn Cob, urea dose, poultry manure and ammoniation
FRONT COVER Cover, Front
Jurnal Rekayasa Lingkungan Vol 5, No 1: Jurnal Rekayasa Lingkungan
Publisher : BPPT

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Abstract

UPAYA PENINGKATAN PRODUKTIVITAS LAHAN DENGAN SISTEM BUDIDAYA LORONG DAN PEMBERIAN KAPUR DOLOMIT DI KABUPATEN CIREBON, JAWA BARAT Mulyono, Daru
Jurnal Rekayasa Lingkungan Vol 5, No 1: Jurnal Rekayasa Lingkungan
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Abstract

The objective of the research is to know the effect of Alley Cropping to the land fertility, especially with the treatment of organic matter and combination between organic matter and dolomit, with regard to soybean production. The research used Complete Randomized Design with One Way Analysis of Variance, Regression, and Correlation in order to know the effect of treatment to the land fertility. The research was carried out in Cirebon Regency, West Java Province, during three planting seasons from 2007 to 2008. The results of the research showed that Flemengia congesta as a fence crop or hedgerows was signifi cant to land fertility through improvement of nutrients availability, increasing pH, decreasing availability of aluminium (Al). The effect of organic matter from prunning of the hedgerows into the soil to a high of 5,0 ton/ha will increase average soybean production from 13.974 kw/ha (dry grain) to 18.176 kw/ha or increase 30,07 %, whereas the effect of organic matter 5,0 ton/ha combined with dolomit 2,5 ton/ha will increase average soybean production from 13.974 kw/ha to 19.983 kw/ha or increase 43.00 %. The effect of organic matter 10,0 ton/ha combined with dolomit 2,5 ton/ha will increase average soybean production from 13.974 kw/ha to 21.966 kw/ha or increase 57.19 %.
PEMANFAATAN LIMBAH DAGING BUAH PALA TUA DI MALUKU Dumadi, Suryatmi Retno
Jurnal Rekayasa Lingkungan Vol 5, No 1: Jurnal Rekayasa Lingkungan
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Abstract

It was until the end of 2007, the meat of nutmeg was abandoned near the trees, in Mollucas Islands, especially in Ambon island and Banda island. The nutmeg meat was considered as waste of nutmeg agribusiness. An effort to make the waste become a valuable product had been done. It was used as the raw material of nutmeg syroop which gives added value to nutmeg and benefi t to those who drink it. The process and apparatus to make the syroop were simple, it begin with extraction of nutmeg meat, sterilization of the syroop container, mixing the extract with sugar, bottling, labeling. With the ratio of extracted juice to sugar 1:1, the product have good taste and fl avor, which was preferred by panels. The syroop produced contained vitamine C 1,22% and reduced sugar of 25,35%. Financial analysis showed the profi t of this product was Rp.10.000,- per bottle and could be increased by expanding market and production.Keywords : Waste of nutmeg, abandoned, added value, extracted juice, syroop, profi t, market, taste, flavor
INSIDE COVER Cover, Inside
Jurnal Rekayasa Lingkungan Vol 5, No 1: 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
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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.
PEMANFAATAN KULIT BUAH PISANG NANGKA SEBAGAI SUBSTRAT FERMENTASI PADAT PADA PRODUKSI XILANASE dkk, Trismilah
Jurnal Rekayasa Lingkungan Vol 5, No 1: Jurnal Rekayasa Lingkungan
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Abstract

Jackfruit skin bananas (Musa sp.) one of the agricultural waste that is rich nutrients for the growth of microorganisms, can be used as a substrate of xilan for the production xilanase. The research aims to know the optimum conditionsof solid fermentation for production xilanase Bacillus licheniformis I-5 using a jackfruit skin banana as substrate. Optimization includes the incubation time for 72 hours with the interval measurement activities every six hours, the moisture content variation on the 1: 1.0 (55%); 1: 1.5 (65%); 1: 2.0 (70%); 1 : 2.5 (74%) (w / v), incubation temperature variation in the 40 °, 45 °, 50 °, 55 °, 60 ° C and the addition of carbon and nitrogen source on the concentration of 1, 2,3, 4, and 5% (w / w). Fermentation carried out in erlenmeyer 250 ml, containing 10 g cod banana jackfruit, 0.4 K2HPO4, and 0.2 MgSO4 (g / l). Results of research shows that the optimum activity xilanase to 48 hours of fermentation,moisture content 1: 1.5 (65%) and incubation temperature 50 ° C with the activity of 0410 ± 0102 U / ml. The addition of glucose and prevent xilosa activities to be 0032 ± 0007 U / ml and 0053 ± 0025 U / ml concentration in 5%. Pepton addition of 4% increased the activity is not signifi cant to control the 0487 ± 0073 U / ml.
PREFACE Preface, Preface
Jurnal Rekayasa Lingkungan Vol 5, No 1: Jurnal Rekayasa Lingkungan
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Abstract

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