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INDONESIA
JURNAL AIR INDONESIA
Published by Badan Pengkajian dan Penerapan Teknologi
ISSN : 02164140     EISSN : -     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
This journal focus on the result of research, information technology and fresh ideas on the technological problems of water management and waste water, industrial water and management of water resources and the environment.
Arjuna Subject : -
Articles 366 Documents
 18   19   20   21   22 
ANALISIS CURAH HUJAN PENYEBAB BANJIR BESAR DI JAKARTA PADA AWAL FEBRUARI 2007 Nugroho, Sutopo Purwo
Jurnal Air Indonesia Vol. 4 No. 1 (2008): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (286.397 KB) | DOI: 10.29122/jai.v4i1.2394

Abstract

Flood that has occured in Jakarta in 27 January - 2 February 2002 was a result of heavy rain and impact of over discharge streams within its catchment area. Furthermore, occurence of low air pressure around northern Australia and Intertropical Convergence Zone (ITCZ) around Java Sea up to Banda Sea, has driven moists in the Asia into the area. Precipitation resulting flood is a return period about 1 to 1000. In Ciliwung watershed, mean rainfall of 142,5 mm/day and return period of about 100 years. This was bigger than mean rainfall during the period of 29 January 2002 about 110 mm/day that return period 200 years. Katakunci : hujan, banjir, periode ulang.
PERMASALAHAN TEKNIS INSTALASI PENGOLAHAN AIR LIMBAH PABRIK MINYAK KELAPA SAWIT Rahardjo, Petrus Nugro
Jurnal Air Indonesia Vol. 1 No. 1 (2005): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jai.v1i1.2290

Abstract

Crude palm oil produced in Indonesia has already been known as the second largest in Asia. Unfortunately tens of palm oil factories (CPOF) spread out in Indonesia have not good wastewater treatment plants (WWTP) yet. PT. Kertajaya, as an example, which is located in Regency Pandeglang, still has BOD contained in its final effluent of the wastewater treatment plant more than 200 ppm. In fact the capacity and capability of WWTP in PT. Kertajaya are much more than enough for only 288 m3 per day. Because of improper operation and maintenance of the WWTP, the technical problems are accumulated, such as, increasing the sediment, decreasing the retention time and channelling of the wastewater being treated. The following affect is the treatment process is not going well and the quality of effluent is getting worse. To solve the technical problems, it is very important to remove the sediment periodically and give aeration in the aerobic pond. A recommendation for the wastewater treatment system has been proposed. The system has eight processes including oil separation or first sedimentation, neutralization, equalization, anaerobic degradation, aerobic degradation,  final sedimentation and sludge drying. Katakunci : BOD, technical problem, wastewater, anaerobic. Aerobic process
KONDISI PENCEMARAN LOGAM BERAT DI PERAIRAN SUNGAI DKI JAKARTA Yudo, Satmoko
Jurnal Air Indonesia Vol. 2 No. 1 (2006): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jai.v2i1.2275

Abstract

River is a place where people do their cleaning activities and one of drinking water source and also where we could find fish. But nowadays river condition in Jakarta  area are seriously polluted. The reasons of water pollution are not only domestic waste but also from industrial waste, factories take out their waste to the river without proccessing it first. One of the pollution materials is heavy metal which could have bad effect on human body. This paper analyses every element of heavy metal contain on rivers in DKI Jakarta area.  Katakunci : Pencemaran, sungai, logam berat, DKI Jakarta.
APLIKASI BIO-BALL UNTUK MEDIA BIOFILTER STUDI KASUS PENGOLAHAN AIR LIMBAH PENCUCIAN JEAN Said, Nusa Idaman
Jurnal Air Indonesia Vol. 1 No. 1 (2005): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jai.v1i1.2276

Abstract

The textile industry is one of the most popular industries in Indonesia. Although it’s giving a positive value towards economic value, it also contributes a bed effect towards environmental quality. One of those industries is small-scale laundry industry located in Kelurahan Sukabumi Selatan, West of Jakarta. The lack of land and money, most of the jeans laundry industry throws away their wastewater straight to the river system without any process. The present study describes the application plastic media called bio-ball as a biofilter supporting media for treating of jeans laundry industry wastewater using combined anaerobic and aerobic process. The type of reactor that is used in this research is a continuous flow biological reactor which has total volume 195 litter and divided into 5 zones, i.e. presedimentation , 2 anoxic zone, aerobic zone and post sedimentation zone. Reactor effluent is recirculated into presedimentation zone with hydraulic recycle ratio (HRR) 1:1. Seeding is done in a natural way by directly flowing the domestic wastewater into reactor with retention time 72 hours, until a biofilm layer is formed on the surface of bio-ball media. Acclimatization is done gradually by replacing domestic with laundry jeans wastewater in 72 hours retention time, until domestic wastewater was 100 % replaced, The main research were conducting by continuous operation under condition 72 hours, 48 hours and 24 hours retention time. The result of experiment shows that within the combined anaerobic and aerobic process using bio-ball plastic media under conditions 1 - 3 days retention time, the removal efficiency of COD 78 – 91 %, BOD 85 – 92 %, Total Suspended Solids (TSS) 80 – 93 %, and Colour 48 – 57 % respectively.  The longer retention time has resulted in higher removal efficiency
PENCEMARAN AIR DAN STRATEGI PENGGULANGANNYA Herlambang, Arie
Jurnal Air Indonesia Vol. 2 No. 1 (2006): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jai.v2i1.2280

Abstract

The rapid growth of population in developing country causes environmental contamination by increasing significantly pollution load in  river and other water body. It needs efficient and effective strategy to overcome contamination in certain areas. Technical identification of pollution source and its influence to environmental quality is important to should be known and socialized to community. Land use to is important to get  priority  and should be  managed consistently environmentally sound, beside solid waste and domestic wastewater. Law enforcement also should be applied, especially to company or industry which significantly gives contribution to environmental degradation. Environmental restoration need fund, so government as regulator need partner  from private to overcome environmental problem. Environmentally based industries and services is needed to be developed as government counterpart, but up to now the development of them retarded caused by non competitive interest of commercial bank. Environmental fund should be collected from polluter through regulated mechanism and In the next future  environmental bank should possible manage the fund and finance environmental industry and services to overcome environmental pollution, in this case government act as regulator only.Key words : water polution, management, water resources, strategies
RANCANG BANGUN PAKET IPAL RUMAH SAKIT DENGAN PROSES BIOFILTER ANAEROB-AEROB, KAPASITAS 20-30 M3 PER HARI Widayat, Wahyu; Said, Nusa Idaman
Jurnal Air Indonesia Vol. 1 No. 1 (2005): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jai.v1i1.2283

Abstract

It is obvious that hospital waste water is one of the most potential pollutant to the evironment. Thus the waste must be treated properly before it is disposed of to the public sewage facilities. However, limited fund usually become an obstacle when hospitals will construct waste treatment facilities, especially for midle and small typed hospitals.Considering the problem, development of proper waste treatment facilities which is cheap in terms of technology and price and easy operated is very important.This paper describes scheme of biological waste water treatment unit for hospitals which is suitable for Anaerob-aerob Biofilter waste water treatment process. By applying this system Anaerob-aerob Biofilter, concentration of COD, BOD and suspended solid material can be reduced significantly as well as detergen and ammonia. Keywords : rancang bangun, waste water, biofilter, Anaerob-aerob
DENITRIFIKASI LIMBAH NITRAT PADA BERBAGAI TINGKAT KEASAMAN DENGAN MEMANFAATKAN MIKROBA AUTOTROPH Nugroho, Rudi
Jurnal Air Indonesia Vol. 1 No. 1 (2005): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jai.v1i1.2284

Abstract

A biological denitrification using autotrophic bacteria in batch suspension runs was investigated to clarify the effect of pH on denitrification rate. Elemental sulfur was employed as an electron donor. The culture of autotrophic bacteria was obtained from activated sludge by acclimatization. The effect of pH on denitrification rate could be expressed by bell-shape equation with optimum pH of 7,07. However at a pH range of 5,5 to 8,0, the denitrification rate significantly fastl. Therefore, the application of the denitrification of wastewater using autotrophic bacteria is suggested running well although without controlling pH.  Kata kunci : Denitrification, nitrate, autotrophic bacteria, elemental sulfur, pH.
APLIKASI PROSES BIOFILTRASI DAN ULTRA FILTRASI UNTUK PENGOLAHAN AIR MINUM Said, Nusa Idaman
Jurnal Air Indonesia Vol. 2 No. 1 (2006): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jai.v2i1.2285

Abstract

To reduce the organic substance and ammonia in raw water hence raw water from river have to be processed by pretreatment prior to main processing unit. One of the alternatives is biological treatment using submerged biofilter which filled with honeycomb plastic supporting media. Research conducted by operating continuous flow biofilter reactor wich filled with honeycomb plastic supporting media. The size of biofilter reactor is 59 cm x 30 cm x 210 cm, with total volume 371.7 litres.  The research was conducting by continuous operation under condition 4 hours, 3 hours, 2 hours and 1 hour retention time. The result of experiment shows that within the biofilter process under conditions 4 hours, 3 hours, 2 hours and one hour retention time, the removal efficiency of organic substance were 67.27 %, 53,89 5,45.70 % and 30.92 % respectively. And the removal efficiency of ammonia under conditions 3 hours, 2 hours and one hour retention time were 73.59 %, 67.98 %, and 48.74 % respectively. The longer retention time has resulted in higher removal efficiency. By combining biofiltration process with ultra fltration (UF) membrane technology, hence will be got technological alternative of drinking water process which able to degrade an organic matter and ammonia without chemicals instead of convensional process.  Kata Kunci : biofiltasi, membran, ultra filtrasi, air minum.    
PENDUGAAN POTENSI AIR TANAH WILAYAH PESISIR KABUPATEN PASIR KALIMANTAN TIMUR Indriatmoko, Robertus Haryoto
Jurnal Air Indonesia Vol. 2 No. 1 (2006): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jai.v2i1.2286

Abstract

Coastal aquifers are an important ground-water resource for urban, fisheries, and agriculture areas. Coastal aquifer system at coast of Tanah Grogot Regency, at East Kalimantan Province, is important to community, but existing aquifers are not productive as ground water resources and therefore to meet community needs of water, a geoelectricity survey need to be conducted to find aquifers and this information will be used for development of water resources planning and method to be used for geoelectricity survey is rock layer resistivity. Result of this survey will identify aquifer layers as source of water. Katakunci : Wilayah pesisir, geolistrik, metoda schlumberger, satu dimensi, akuifer, air tanah, kualitas air, kabupaten pasir,tanah grogot, kalimantan timur
PENGOLAHAN AIR LIMBAH INDUSTRI KECIL PELAPISAN LOGAM Yudo, Satmoko; Said, Nusa Idaman
Jurnal Air Indonesia Vol. 1 No. 1 (2005): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jai.v1i1.2287

Abstract

Water pollution in Jakarta area, especially river and shallow groundwater, had become a very serious problem. Pollution problem caused by small industrial activities had not been got attetion. Some activities, which often cause water pollution problem, were wastewater from electroplating small industry. This wastewater was one of the most potential pollutant sources, because it contains high concentration of heavy metal pollutant such as Fe, Ni, Zn, Cr, ect. To anticipate its negative effect to the environment and social life, it needs to provide a technical standard plan to manage wastewater treatment plant, especially of electroplating small industries. The purpose of these activities is to do the assessment and application of wastewater treatment technology of electroplating small industry. The target is to get design engineering and pilot plant of wastewater treatment technology for electroplating small industry. Kata kunci : Pencemaran logam berat, Pengolahan limbah cair industri kecil pelapisan logam.

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