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Kampus Politeknik Negeri Lampung Jalan Soekarn Hatta No. 10 Raja Basa Bandar Lampung
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INDONESIA
TEKTAN
Published by Politeknik Negeri Lampung
ISSN : 20851278     EISSN : 27453472     DOI : https://doi.org/10.25181/tektan
Core Subject : Agriculture, Social, Engineering,
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Engineering Environmental Science Mechanical Engineering
Jurnal Tektan merupakan salah satu jurnal di Politeknik Negeri Lampung yang  menampung hasil penelitian berupa artikel ilmiah yang berkaitan dengan Ilmu Keteknikan Pertanian, Mekanisasi Pertanian, Teknik Kimia, Teknik Sumberdaya Lahan dan Lingkungan,dimana artikel tersebut belum pernah dipublikasikan. Jurnal TekTan di terbitkan oleh Unit Penelitian dan Pengabdian Kepada Masyarakat Polinela Unit 3x dalam setahun. Jurnal Ilmiah Teknik Pertanian Ini diterbitkan oleh Unit Penelitian dan Pengabdian Kepada Masyarakat Polinela Sebagai Wadah Bagi Dosen, Mahasiswa dan PLP untuk mempublikasikan karya penulisannya. Jurnal ini sempat mengalami Jeda Pengaktifan Selama 3 tahun mulai terbitan 2016 sampai Agustus 2019, hal ini disebabkan karena kekosongan tim pengelola Jurnal. Kemudian dengan manajemen pengelolaan yang baru maka diterbitkan kembali untuk volume 11 No. 3 pada tanggal 16 Desember 2019
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 6 Documents
 1 
Search results for , issue "Vol 7 No 2 (2015)" : 6 Documents clear
A Study on The Potency of Electrical Energy Production and Greenhouse Gas Reduction from Palm Oil Mill Effluent (Pome) (A Case Study in Lampung Province) Sarono Sarono
Jurnal Ilmiah Teknik Pertanian - TekTan Vol 7 No 2 (2015)
Publisher : Jurusan Teknologi Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/tektan.v7i2.880

Abstract

Indonesia merupakan negara penghasil minyak sawit terbesar di seluruh dunia, sekaligus sebagai penghasil limbah cair pabrik kelapa sawit (LCPKS) terbesar di dunia juga. Selama ini LCPKS ditangani secara sederhana dengan sistem kolam. Hal ini menyebabkan pencemaran lingkungan seperti bau tidak sedap, mencemari sumber air, menghasilkan gas rumah kaca. Di sisi lain LCPKS meruapakan sumber energi alternatif yang potensial jika dikonversi menjadi gas methan. Tujuan makalah ini adalah melakukan analisis potensi energi yang dihasilkan dan potensi pengurangan gas rumah kaca di Provinsi Lampung. Metode yang digunakan berdasarkan servey, analisis laboratorium, dan studi pustaka yang relevan. Hasil penelitian menunjukkan bahwa jika semua LCPKS di Provinsi Lampung dikonversi menjadi gas methan akan dihasilkan energi listrik sebesar 5.41 MW dan pengurangan gas rumah kaca sebesar 242.720 ton greenhouse gas emission (CO2e). Keywords: LCPKS, GRK, gas metana, biogas.
Pengaruh Panjang Talang Terhadap Produktivitas Air Tanaman Selada Kerinting dengan Sistem Irigasi NFT (Nutrient Film Technique) di PT. Momenta Agrikultura Lembang Bandung Barat Agus Prasetyo; Muhammad Idrus; Surya Surya
Jurnal Ilmiah Teknik Pertanian - TekTan Vol 7 No 2 (2015)
Publisher : Jurusan Teknologi Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/tektan.v7i2.881

Abstract

The research was conducted at the PT. Momenta Agrikultura Lembang West Bandung on February to April 2014. The objectives of the research were to determine amount of water used, production, and water productivity of salad (Lactuca sativa L.) with irrigation system nutrient film technique (NFT) with different lenght size of water chamfer. The result of the research showed that the size of length of water chamfer affected production and water productivity of salad.  The amount of water used of salad on long size of water chamfer of 24 m with NFT was 23.52 l/plant nearly same with short size of water chamfer of 6 m was 24.24 l/plant. Salad  production dan water productivity average by  the using short size of gabel was higher compared to using long size of gabel.  Salad production and water productivyti with using short size of water chamfer was average 217 g/plant and 8.95 kg/m3 water respectively but with using long size of water chamfer only 161g/plant and 6.85 kg/m3 nutrient.      Keywords: length size of water chamfer, nutrient film technique (NFT), production, water productivyti and  salad (Lactuca sativa L.)
Identifikasi Tingkat Pencemaran Air Permukaan di Sub Daerah Aliran Sungai (DAS) Way Kandis Hulu Diano Hadi Putra; Gisnia Amaliyah; Siti Kholofah; Didik Kuswadi
Jurnal Ilmiah Teknik Pertanian - TekTan Vol 7 No 2 (2015)
Publisher : Jurusan Teknologi Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/tektan.v7i2.882

Abstract

Generally, pollution in the waters is indicated with the presence of oxygen in the water or dissolved oxygen condition. To determine status of oxygen in the water as water pollution level  necessary to measure the COD (Chemical Oxygen Demand), TSS (Total Suspended Solid), TDS (Total Dissolve Solid) and turbidity (turbidity) as parameters of river water pollution. The purpose of this study is (1) to analyze the water quality of the sub watershed upstream Way Kandis, (2) make a map of the level of contamination of surface water in Sub Watershed (DAS) upstream Way Kandis. Stages of research include (i) gathering information and data, (ii) analysis of land use in sub watershed upstream Way Kandis, (iii) the analysis of water quality of upstream Way Kandis (iv) making maps contamination levels upstream Way Kandis, (v) the analysis of the level of River pollution Way Kandis. The results of this research, namely: (1) upstream Way Kandis watershed covering an area of 4603.76 hectares which includes the city of Bandar Lampung Territory and South Lampung regency and spread over four districts, namely Kemiling, Rajabasa, Natar and Jatiagung, (2) Usage land upstream Kandis Way watershed includes residential area of 3285.71 ha (71.37%), plantations covering an area of 429.52 ha (9.33%), a mixture of agricultural land area of 627.19 ha (13.62%), and poor land identified as the source map cloud-covered area of 118.98 ha (2.59%), (3) The level of water pollution in the upstream Way Kandis watershed divided into five zones, namely zones not polluted, slightly polluted zone, the critical zone polluted, heavily polluted and heavily polluted, (4) the highest COD pollution level in the class Very polluted covering an area of 2250.98 hectares or 48.79% of the total upstream Way Kandis watershed with area zoning highest form of residential areas in the amount of 1877.85 ha. (5) The highest pollution level in the class TSS Somewhat Polluted covering an area of 2635.85 hectares or 57.25% of the total upstream Way Kandis watershed with area zoning highest form of residential areas in the amount of 2148.06 hectares, (6) No TDS contamination occurred across the study area upstream Way Kandis watershed because of all extents of land cover (4603.76 ha) included in the category Not contaminated, (7) the level of Turbidity pollution occurs only in the category of pollution class Not contaminated covering an area of 3348.15 ha or 61.54% of the total upstream Way Kandis watershed with area zoning highest form of residential areas in the amount of 2398.45 H and Somewhat Polluted covering an area of 1255.61 ha or 38.46% of the total upstream Way Kandis watershed The highest area of zoning in the form of a residential area in the amount of 887.26 Ha. Keywords: identification, pollution, water surface, upstream, Way Kandis watershedGenerally, pollution in the waters is indicated with the presence of oxygen in the water or dissolved oxygen condition. To determine status of oxygen in the water as water pollution level  necessary to measure the COD (Chemical Oxygen Demand), TSS (Total Suspended Solid), TDS (Total Dissolve Solid) and turbidity (turbidity) as parameters of river water pollution. The purpose of this study is (1) to analyze the water quality of the sub watershed upstream Way Kandis, (2) make a map of the level of contamination of surface water in Sub Watershed (DAS) upstream Way Kandis. Stages of research include (i) gathering information and data, (ii) analysis of land use in sub watershed upstream Way Kandis, (iii) the analysis of water quality of upstream Way Kandis (iv) making maps contamination levels upstream Way Kandis, (v) the analysis of the level of River pollution Way Kandis. The results of this research, namely: (1) upstream Way Kandis watershed covering an area of 4603.76 hectares which includes the city of Bandar Lampung Territory and South Lampung regency and spread over four districts, namely Kemiling, Rajabasa, Natar and Jatiagung, (2) Usage land upstream Kandis Way watershed includes residential area of 3285.71 ha (71.37%), plantations covering an area of 429.52 ha (9.33%), a mixture of agricultural land area of 627.19 ha (13.62%), and poor land identified as the source map cloud-covered area of 118.98 ha (2.59%), (3) The level of water pollution in the upstream Way Kandis watershed divided into five zones, namely zones not polluted, slightly polluted zone, the critical zone polluted, heavily polluted and heavily polluted, (4) the highest COD pollution level in the class Very polluted covering an area of 2250.98 hectares or 48.79% of the total upstream Way Kandis watershed with area zoning highest form of residential areas in the amount of 1877.85 ha. (5) The highest pollution level in the class TSS Somewhat Polluted covering an area of 2635.85 hectares or 57.25% of the total upstream Way Kandis watershed with area zoning highest form of residential areas in the amount of 2148.06 hectares, (6) No TDS contamination occurred across the study area upstream Way Kandis watershed because of all extents of land cover (4603.76 ha) included in the category Not contaminated, (7) the level of Turbidity pollution occurs only in the category of pollution class Not contaminated covering an area of 3348.15 ha or 61.54% of the total upstream Way Kandis watershed with area zoning highest form of residential areas in the amount of 2398.45 H and Somewhat Polluted covering an area of 1255.61 ha or 38.46% of the total upstream Way Kandis watershed The highest area of zoning in the form of a residential area in the amount of 887.26 Ha. Keywords: identification, pollution, water surface, upstream, Way Kandis watershed
Modifikasi Oven Bekas sebagai Alat Pengering Multi Fungsi Subandi Subandi
Jurnal Ilmiah Teknik Pertanian - TekTan Vol 7 No 2 (2015)
Publisher : Jurusan Teknologi Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/tektan.v7i2.884

Abstract

Laboratory equipment is a basic nees that must be available in the laboratory to support the implementation of learning for students both the laboratory, research, and experiments on the theory gained in lectures. Some units laboratory equipment such as ovens, incubators and others were damaged and difficult to repair because the parts difficult to obtain or the cost to repair is very high, the procurement of new equipment not necessarily every year could be sufficient so that the equipment that is needed is not available, thus the implementation of laboratory services could not walk properly. Modification of the second-hand oven into the multi function dryer is a refinement of previous studies is an oven that can be used for various drying, thus will greatly assist the smooth implementation of learning and service in the laboratory. It the quality of learning and good laboratory services, is expected to produce graduates who have the competence of industrial and entrepreneurial spirit and morality so as to compete at both local and regional levels in order to face global competition. Keywords: equipment, laboratory services, graduates who are competent
Rancang Bangun Alat Kontrol Operasional Pompa Air pada Dua Pemakai Skala Rumah Tangga Tanda Saputra; Muhammad Hafidz; Muhammad Fajrian Akbar; Bastaman Syah; Yose Sabastian
Jurnal Ilmiah Teknik Pertanian - TekTan Vol 7 No 2 (2015)
Publisher : Jurusan Teknologi Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/tektan.v7i2.885

Abstract

Indonesia still through water scarcity, ironicaly Indonesia included in 10 countries with rich sources of fresh water.  In urban areas generally people can get fresh water source from water pump with making an artesian well or deep well. Artesian well water pump is very expensiveif it’s used only in one house.  To make efficient, using one pump for two or more houses can be overcome by making “operational control device pumps water”.  Utilizing the interlock system used on two houses and one well, so if one house pump turned on, another house can’t be turned on an off except after reservoir tank fulled of water, another house can be turned on the water pump. Reservoir tank is used automatically by using a ball floater switches.  When the water in the reservoir tank is full, the pump doesn’t work so that water is not wasted in vain. This tool design cane save half the cost compared to each house makes its own borehole and pump water, because the system is supplied electrical energy to the water pump from each house. Keywords: water pump, artesian well, interlock, reservoir tank automatic
Pola Rencana Penanganan Air Limbah Domestik Pemukiman Kumuh Perkotaan di Kabupaten Lampung Utara Ismadi Raharjo
Jurnal Ilmiah Teknik Pertanian - TekTan Vol 7 No 2 (2015)
Publisher : Jurusan Teknologi Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/tektan.v7i2.886

Abstract

Urban Slum in North Lampung District according to a decree contained in 14 locations located in 4 Districts. Among the 14 locations there are 10 locations of slum on the edge of the river (inhabited by about 700 families) in North Lampung district estimated directly discharge wastewater into rivers results of their activities (times) Uban and Rarem Way. This may give a negative impact on the aquatic environment in the two rivers for daily flow of waste water flow rate of about 35,000 liters with a load of BOD (Biologycal Oxygen Demand) approximately 18.76 kg. It is necessary for the direction of domestic waste water treatment patterns construct Waste Treatment Plant (WWTP) for communal housing residents around the two rivers. Each communal WWTP will serve five families or about 25 residents of the dwelling. In consideration of the position of residential location, the communal formed on communal distinguished which is right by the river and the communal were about 25-50 m from the river. In the treatment of domestic waste water in communal needs to be established septic tank to treat sewerage of toilets (WC) is equipped with a biofilter combination of anaerobic-aerobic (to treat black water processed from the sewage and gray water from waste water non toilet) with a capacity of 2000 liters of water of waste per day, the residence time of about 1.69 days, and the ability of polluters BOD allowance of about 80%. WWTP construction standards biofilter used is concrete construction size: effective length of 225 cm, 100 cm effective width, volume cavity biofilter media types bioball 0.70 m3, and equipped with hiblow 40 liters / minute and  circulation pump of 24 watts for the aerobic process. Keywords: domestic waste water, slums, WWTP biofilter communal

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