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INDONESIA
Jurnal Teknik Lingkungan
Published by Universitas Diponegoro
ISSN : -     EISSN : -     DOI : -
Core Subject : Social,
Environmental Science
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Articles 99 Documents
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PENURUNAN KADAR BOD DAN AMONIA PADA AIR LIMBAH DOMESTIKMENGUNAKAN TEKNOLOGI BIOFILM DENGAN MEDIA FILTER BUNGA PINUS, POTONGAN BAMBU, DAN BIOBALL Brian Angga Kusuma; Endro Sutrisno; Sri Sumiyati
Jurnal Teknik Lingkungan Vol 2, No 4 (2013): Jurnal Teknik Lingkungan
Publisher : Departemen Teknik Lingkungan Fakultas Teknik Universitas Diponegoro

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Abstract

Activitiesofhouseholdsgenerateawastewatereffluent. One effortthat can be takenin minimizing theimpact ofdomestic wastewaterin a simpleandfastas well asprovidingeconomic benefitsto the villagersDalanganprocessingisdoneby usingbiofilmtechnology. Inthisstudy, usethree(3) filtermediaonbiofilmtechnology. Mediaused werepieces ofbamboo, pinefloral, andbioball. Withvariationsresidence time60, 90, 120, 150, 180minutes. Based onthese results, itwas found thattreatmentof domesticwastewaterwithbiofilmtechniqueis able toreducethe concentration ofBODby 95% andammoniaby 42%.
STUDI PENENTUAN TINGKAT KUALITAS AIR SUNGAI BERDASARKAN METODE INDEKS KUALITAS AIR – NATIONAL SANITATION FOUNDATION (NSF-IKA) SEBAGAI DASAR PENENTUAN RENCANA AKSI PENGELOLAAN SUNGAI (Studi Kasus Sungai Tuntang, Jawa Tengah) Niken Anggraeni P
Jurnal Teknik Lingkungan Teknik Lingkungan Volume 1 Nomor 1 Tahun 2012
Publisher : Departemen Teknik Lingkungan Fakultas Teknik Universitas Diponegoro

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Abstract

Tuntang river has 111.319 km long river, is one of the rivers located in Java, which has an important role for residents with daily activities around the river. Watershed Tuntang past several environmental setting such as residential, agriculture and plantations, which could potentially degrade water quality in the river water bodies. River water quality determination method Tuntang-Water Quality Index's National Sanitation Foundation (NSF-IKA). Tuntang River water quality monitoring conducted at 9 segments and 12 sampling points. The results obtained from the calculation of the NSF-IKA status of segmen one is good, segment two to segment nine is the status of medium. Land use in the surrounding watershed can affect water quality Tuntang Tuntang River. Pollutant sources are dominant Tuntang River BOD, turbidity, and fecal coliform caused by domestic waste, plantations, agricultural waste into rivers and erosion. In such conditions the proposed river management to do is provision for residents around the septic tank, the optimal use of fertilizer, reforestation and community participation in maintaining the water quality of the river Tuntang.
STUDI IDENTIFIKASI PENGELOLAAN AIR LIMBAH DOMESTIK KECAMATAN TEMBALANG, CANDISARI, BANYUMANIK DAN PEDURUNGAN KOTA SEMARANG Nova Henri Rahmawan
Jurnal Teknik Lingkungan Vol 2, No 1 (2013): Jurnal Teknik Lingkungan
Publisher : Departemen Teknik Lingkungan Fakultas Teknik Universitas Diponegoro

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Abstract

Domestic wastewater is one of the complex problems of the city of Semarang, and almost shadowed compared with waste management, is no exception to the District Tembalang, Candisari, Banyumanik and Pedurungan. To identify studies that have been done on the management of domestic waste water in District Tembalang, Candisari, Banyumanik and Pedurungan as the study area.          The method used is the method of qualitative analysis. Data were obtained through interviews using questionnaires and secondary data backed up from the relevant agencies to determine the existing conditions of the study area with the analysis of institutional aspects, public participation, regulatory, financing and operational techniques. Based on the analysis of the obtained data that the domestic waste water management study area was limited to disposal of waste water showers (gray water) in the wastewater drainage and stools (black water) with the processing of septic tanks suspected of using inadequate structures.        Based on the SWOT analysis in policy get domestic wastewater management strategies such as the pursuit of environmentally sound sanitation systems both on-site and off-site, community involvement, and local organizations in the management of domestic waste water, use of technology (decomposing microorganisms) as water treatment plant improvements waste and determining which areas a priority to serve as a pilot area of wastewater management systems are centralized / communal. The area is a priority the implementation of centralized wastewater treatment systems including Sub Sendangmulyo, Meteseh, Bulusan and Housing in Urban Areas Srondol Wetan and Padangsari.
PENGARUH PENGENCERAN DAN PENGADUKAN LIMBAH INDUSTRI IKAN NILA TERHADAP PENINGKATAN PRODUKSI BIOGAS DENGAN MENGGUNAKAN RUMEN SAPI SEBAGAI STARTER Muhammad Fachri Maulana; Sudarno Sudarno; Irawan Wisnu Wardhana
Jurnal Teknik Lingkungan Vol 2, No 3 (2013): Jurnal Teknik Lingkungan
Publisher : Departemen Teknik Lingkungan Fakultas Teknik Universitas Diponegoro

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Abstract

Tilapia fish industry solid waste is resulting from the process of weeding, washing, and preparation. Tilapia fish industry solid waste has a high content of organic material. This would give to environmental issues when waste disposed into the environment. Therefore, an alternative processing by converting solid waste into biogas from Tilapia fish industry solid waste with anaerobic process. This research aims to enhancement of biogas production from Tilapia fish industry solid waste by using a rumen as a starter. The treatment was by dilution and stirring intencity in a samples with crushed and without crushed. This research is an experimental-laboratoris, where research is done in a scale laboratory. Methods used to research is a batch reactor using in anaërobic fermentation process. The results of this research show that Fish tilapia industry solid waste can generate biogas after rumen fluid with anaerobic processes continuously until 20 days. On the variable of the total volume production results in dilution of wastewater occur at the highest addition of water 150 ml with the treatment without chrushed i.e. 816 ml. On the variable total production volume result of stirring biogas high occur in stirring 3 x 150 ml with the dilution of the treatment without chrushed i.e. 1057 ml. On these variables was determine the influence measurement of chemical oxygen demand (COD) allowance against the production of biogas produced. The efficiency removal of COD occur at the highest stage without stirring sample A 100 ml a dilution that is 91%. The whole pH measurements on a variable decrease from the initial pH values 7 to pH 5.
PEMANFAATAN SLUDGE HASIL PENGOLAHAN LIMBAH CAIR PT. INDOFOOD CBP DENGAN PENAMBAHAN SAMPAH DOMESTIK SERTA EFFECTIVE MICROORGANISM (EM4) DAN LUMPUR AKTIF SEBAGAI AKTIVATOR MELALUI PROSES PENGOMPOSAN Anitia Arumsari Arumsari
Jurnal Teknik Lingkungan Teknik Lingkungan Volume 1 Nomor 1 Tahun 2012
Publisher : Departemen Teknik Lingkungan Fakultas Teknik Universitas Diponegoro

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Abstract

This research uses a sludge of waste from IPAL PT. Indofood CBP Semarang as raw material compost in composting process. The composting process was conducted in 28 days by an aerobic condition with 8 variations of compost. In this experiment, rubbish were added as mixed material; and we were also added effective microorganism (EM4) and some activated sludge as activator in order to accelerate in composting process. The result showed that quality of compost from sludge waste has been following the standard quality of SNI 19-7030-2004, but the pH of variation control by adding EM4 and a content of moisture in variation A2, B2 and control with activated sludge are not appropriate. From this research, the quality of matured compost with the addition of EM4 and activated sludge as activator were not significantly different. The best compost subsist on variations C1 with proportion of sludge and rubbish is 10:1 and additional aktivator of EM4 with the result (C-organic= 10,13%; N= 0,74%; ratio C/N = 13,66; P= 0,51%; K= 0.45%; moisture= 42,68 % ).
Penentuan Rasio BOD/COD optimal pada reaktor Aerob, Fakultatif dan Anaerob Arifani Rakhma Putri
Jurnal Teknik Lingkungan Vol 2, No 1 (2013): Jurnal Teknik Lingkungan
Publisher : Departemen Teknik Lingkungan Fakultas Teknik Universitas Diponegoro

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Abstract

ABSTRACTThere are a variety of wastewater substances both organic and non-organic. The content of the wastewater can be harmful to living things when directly discharged into river or water bodies. Organic substances are safe for the environment is the end result in the wastewater treatment. BOD and COD are simple and important parameters for checking the content of organic matter. The BOD / COD ratio  is an indicator of the impact of organic matter so that the required for the output of the wastewater treatment. The purpose of this study is to determine the BOD / COD ratio optimal in a good treatment for aerobic, facultative and anaerobic process by artificial Glucose monohydrate-Glacial Acetic Acid with batch reactor. The BOD / COD ratio optimum obtained in each process is the aerobic process that is at ratio of 0.1, the ratio of the facultative and anaerobic processes are at ratio 0.2 . But the most optimal among all the views from the best efficiency is the ratio of aerobic BOD / COD initial 0.1. The study is expected to be a reference because this study is a preliminary study with laboratory scale so that the need for further research to provide more optimal.
STUDI PENURUNAN KROMIUM DAN NIKEL DALAM PENGOLAHAN LIMBAH CAIR ELEKTROPLATING DENGAN METODE ELEKTROKOAGULASI Wenny Dwi Retna Prihartanti; Ganjar Samudro; Junaidi Junaidi
Jurnal Teknik Lingkungan Vol 2, No 2 (2013): Jurnal Teknik Lingkungan
Publisher : Departemen Teknik Lingkungan Fakultas Teknik Universitas Diponegoro

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Abstract

ABSTRACTEnvironmental pollution that caused by electroplating waste disposal into the environment can cause harmful effects for human life. Before it is discharged into the environment need the method to treatment this waste. Electro coagulation is one of the wastewater treatment methods which are interchangeable to treat the electroplating industrial waste. This electroplating waste contain heavy metals such as chromium (Cr), Nickel (Ni) and Copper (Cu). Electro coagulation experiments have been conducted with the independent variable which are the type of plate alumunium (Al) and Iron (Fe), and also Current density 40 mA/cm2, 50 mA/cm2, 60 mA/cm2 and 70 mA/cm2. This study uses a powerful current 5 Amperes, time operation 120 minutes, with the sampling time every 15 minutes, number of plate 4 pieces, 2 cm distance between electrodes. Based on experiments have been conducted that obtained best results at the highest current density removal efficiency of chromium allowance  99,60 % for using iron electrodes. Whereas for nickel removal, the best results at the highest current density removal efficiency of nickel allowance  96,20 % for using alumunium electrodes. Other measurements in this study that may affect the process of electro coagulation include pH, temperature, TSS, TDS and turbidity.
STUDI PEMANFAATAN AKTIVATOR LUMPUR AKTIF DAN EM4 DALAM PROSES PENGOMPOSAN LUMPUR ORGANIK, SAMPAH ORGANIK DOMESTIK, LIMBAH BAWANG MERAH GORENG DAN LIMBAH KULIT BAWANG Ardhi Ristiawan
Jurnal Teknik Lingkungan Vol 2, No 1 (2013): Jurnal Teknik Lingkungan
Publisher : Departemen Teknik Lingkungan Fakultas Teknik Universitas Diponegoro

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Abstract

Abstract In the process of waste water treatment produced a by-product in sludge. Sludge made a problem for the environment and for industry when no handling and processing. In this research is done using studies sludge become compost. Sludge mixed with rubbish organic domestic waste, waste of onion’s skin and fried onions waste. This study used activator EM4 and activator from activated sludge to optimize the composting process. The result showed that compost with activator EM4 likely matured faster because had the lower C/N ratio. Quality of compost on both  activators have met the requirements of SNI 19-7030-2004 and did not shows  significant differences. The best result at variations on activator em4 with  ratio of organic sludge : rubbish domestic waste : onion’s skin waste : fried onions waste with % = 14: 3: 1: 1. Compost matured in the 3rd week with result (C-org 13.52; N = 0.85; P = 0.70; K = 0.58). In the same variation that used activator from activated sludge had a result (C-org = 16.96; N = 0.96; P = 0.80; K = 0.46). Based on these results, activated sludge can be used as an alternative activator in the composting process.
PENGOLAHAN LOGAM BERAT KHROM (Cr) PADA LIMBAH CAIR INDUSTRI PENYAMAKAN KULIT DENGAN PROSES KOAGULASI FLOKULASI DAN PRESIPITASI Maria Giacinta AS; Zainus Salimin; Junaidi Junaidi
Jurnal Teknik Lingkungan Vol 2, No 2 (2013): Jurnal Teknik Lingkungan
Publisher : Departemen Teknik Lingkungan Fakultas Teknik Universitas Diponegoro

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Abstract

ABSTRACTLeather tannery industry waste water treatment research by coagulation flocculation and precipitation process has been carried out. The study aims to determine the treatment process with coagulant what is most optimum in removing the heavy metal content in leather tannery waste water, which includes coagulant lime, aluminum sulfate, and ferrous sulfate, and barium chloride, coagulant concentration, and pH optimum. Jar test result available optimum pH for coagulant lime at pH 8, for aluminum sulfate at pH 6, and for ferrous sulfate at pH 8. The optimum ratio of lime is 6,4; aluminum sulfate is 0,8; and ferrous sulfate is 0,48. The optimum concentration of barium chloride after treatment with lime, aluminum sulfate, and ferrous sulfate are 0,005; 0,043; and 0,005.
PERMODELAN TRANSPORT KADMIUM (Cd) DAN NIKEL (Ni) DALAM LINDI MENGGUNAKAN SOFTWARE POLLUTE V7 (STUDI KASUS: TPA SANGGRAHAN, TEMANGGUNG) Lintang Tyas Perdana; Badrus Zaman; Mochtar Hadiwidodo
Jurnal Teknik Lingkungan Vol 2, No 4 (2013): Jurnal Teknik Lingkungan
Publisher : Departemen Teknik Lingkungan Fakultas Teknik Universitas Diponegoro

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Abstract

Sanggrahan Landfill (Temanggung), completed with  gravel, geotextile, geomembrane, and compacted clay. It’s still has  potential of contaminant mobilization through those liners that comes from solid waste in landfill. The purposes of this research  for knowing the movement cadmium (Cd) and nickel(Ni) in leachate vertically in every depth.  The contaminant movement  from active zone head  for control 1-well and  from active zone head for control 2-well could be predicted by using model pollute v7 software. Pollute v7 is one dimension model, where needed the characteristic of the liners (depth, permeability, porosity, dry density, coef dispersion of hydrodinamics). This model describe the contaminant mobilization affected by dispersion, advection, diffusion, and retardation phenomenon. Based on 12 years forward model simulation in this study, the concentration of Cd and Ni will get increase. The results showed, value of cadmium concentration in control 1-well is 0,496 mg/l and in control 2-well  is 0,4064 mg/l. Whereas, the value of nickel concentration in control 1-well is 0,382 mg/l and in control 2-well is 0,3665 mg/l. This prediction showed that  Sanggrahan Landfill has potential in leachate mobilization. The study suggests that the application of geomembrane should has lower permeability than 0,5x10-12m/s for retarding contaminant transport.

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