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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
 32   33   34   35   36 
CORRELATION BETWEEN BIOMASS CONCENTRATION AND EXTENT OF SULPHATE REDUCTION IN AN ACIDOGENIC REACTOR Haris, A.; Pullammanappallil, P. C.; Keller, J.
Jurnal Air Indonesia Vol. 6 No. 1 (2010): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jai.v6i1.2443

Abstract

Two stage high rate anaerobic treatment systems comprising of an acidogenic reactor (or equalisation/ buffer tank) followed by a methanogenic reactor are becoming increasingly popular to treat high strength wastewater from industries.  In these systems, sulphate present in the wastewater is reduced to sulphide either partially or completely in the acidogenic reactor and completely in the methanogenic reactor.  The effect of fermentation products on the extent of sulphate reduction in the acidogenic reactor was investigated in a continuously-fed, well mixed laboratory-scale 3 L fermenter operating at a temperature of 35oC and pH of 6.  The feed was based on either glucose or molasses as the carbon source.  It was observed that as the carbohydrate concentration in feed was increased sulphate reduction was suppressed.  It was confirmed that volatile organic acids like acetic, propionic and butyric acids, hydrogen and residual glucose did not cause inhibition of sulphate reduction.  However, biomass concentration correlated negatively with extent of sulphate reduction.  This correlation was expressed mathematically and the same expression with the same parameters adequately predicted the effect of biomass concentration on extent of sulphate removal for both steady state and transient data irrespective of glucose or molasses feed.  It was seen from the best fit of this expression that a biomass concentration of 3300 mg-COD.L-1 would completely repress sulphate reduction in the acidogenic reactor.  Even when sulphate removal was suppressed the presence of sulphate reducing bacteria (SRB) in the reactor was confirmed through Fluorescent In Situ Hybridisation (FISH) visualisation.  Moreover, the numbers of SRB seemed to increase with carbohydrate concentration in feed.  It was speculated the suppression of sulphate removal might be due to a switch in function of SRB from sulphate reducing to fermentation or acetogenesis.    Keywords: sulphate reducing bacteria, anaerobic digestion, inhibition, sulphate reduction, acidogenic reactor, high rate anaerobic treatment
UJI KINERJA PENGOLAHAN AIR SIAP MINUM DENGAN PROSES BIOFILTRASI, ULTRAFILTRASI DAN REVERSE OSMOSIS (RO) DENGAN AIR BAKU AIR SUNGAI Said, Nusa Idaman
Jurnal Air Indonesia Vol. 5 No. 2 (2009): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jai.v5i2.2444

Abstract

Water is a very basic need for humans, especially for cooking and drinking. With the rapid growth of population in particular need of clean water for the community also increased in numbers. The problem is with the poor quality of raw water for drinking water, then in addition to expanding its production costs, the result is often less good. One of the problems or issues that are often found in drinking water in the world these days that is the emergence of compounds called Trihalomethanes or THMs abbreviated, as a side effect of the disinfection process with a chlorine gas or hypochlorite compounds.Currently, to removal organic pollutants, ammonia, detergents, odor and other micro pollutants in drinking water, PAM is usually used by the process of manufacturing processes using adsorbsi Powder Active Carbon Adsorption, continued with physicals processing is the process of coagulation, flocculation, sedimentation and disinfection with chlorine. With increasingly high prices of powdered activated carbon, coagulant and flocculant chemicals, then the cost of treating drinking water to be increasing. To solve the problem above, one alternative is to develop clean water treatment technologies using a combination of biofiltration and ultrafiltration process, and to produce drinking water to proceed with processing using the process of reverse osmosis. Within the combination of biofiltration, ultrafiltration and reverse osmosis processes to treat the river water can be produced the drinking water with a very good quality without the use of chemicals for coagulation-flocculation process, and operational costs are relatively low. Key words : Air siap minum, biofiltrasi, ultrafiltrasi, reverse osmosis
DISAIN PERENCANAAN INSTALASI PENGOLAHAN AIR LIMBAH (IPAL) DAN RE-USE AIR DI LINGKUNGAN PERHOTELAN Setiyono, Setiyono
Jurnal Air Indonesia Vol. 5 No. 2 (2009): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jai.v5i2.2446

Abstract

Denpasar is one of the number one tourist destination in the world. This city needs a lot of water resources with high quality to meet the needs of the hotel. While the Bali island with a relatively small area can not save the water resources in large numbers, the good management of water resources and efficiency use of water is realy needed. Hotel is one of the largest water users in the city of Denpasar. The water source is from deep ground water and PDAM with the same quality. If someday deficit water and sea water intrusion in Denpasar happened, the hotel will be accused as one major cause of this problem. To overcome these problems, environmentally friendly hotel management will be needed to achieve "GREEN HOTEL & RESORT" programs in Bali, such as water usage efficiency, water recycle and protect environment from wastewater polution. To achieve this without reducing the amount of water consumption, can be done by using the technology of wastewater reuse, with technology Waste Water Treatment Installation (WWTP) and continued with the water quality improvement technology using multi media filters, ultra-filtration or reverse osmosis. Key words : Hotel yang ramah lingkungan, re-use air limbah
METODA PENGHILANGAN LOGAM MERKURI DI DALAM AIR LIMBAH INDUSTRI Said, Nusa Idaman
Jurnal Air Indonesia Vol. 6 No. 1 (2010): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jai.v6i1.2447

Abstract

Industry is a potential source of water pollution, it produces pollutants that are extremely harmful to people and the environment. Many industrial facilities use freshwater to carry away waste from the plant and into rivers, lakes and oceans. Inorganic industrial wastes are more difficult to control and potentially more hazardous Industries discharge a variety of toxic compounds and heavy metals. The most pollutans heavy metals are Lead, Cadmium, Copper, Chromium, Selenium,  Mercury, Nickel, Zinc, Arsen and Chromium. Heavy metals are dangerous because they tend to bioaccumulate. Mercury for example, causes damages to the brain and the central nervous system, causes psychological changes and makes development changes in young children. Normally Mercury is a toxic substance which has no known function in human biochemistry. There are several methods to eliminate or remove mercury in water such as chemical oxidation process, ion exchange process, adsorption process, an electrochemical process, reverse osmosis process and other alternative methods likes biosorption. Each method has strengths and weaknesses, therefore to choose the method of removing of mercury in wastewater depending on pollutants conditions such as concentrations of mercury in wastewater, types of mercury, mercury concentrations in treated water, land availability, flow rate of wastewater will be processed and other parameters. This paper discusses several methods of removal of mercury heavy metals in industrial wastewater such as chemical precipitation and oxidation processes, adsorption and ion exchange process. Keywords : water pollution, heavy metals, mercury, industrial wastewater, removal methods.
APLIKASI TEKNOLOGI EKSPLORASI UNTUK MEMAHAMI KONDISI AIR TANAH DI DAERAH PADANG LUAS KABUPATEN TANAH LAUT Prayogo, Teguh
Jurnal Air Indonesia Vol. 5 No. 2 (2009): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jai.v5i2.2448

Abstract

Groundwater is water that comes from the ground. Groundwater comes from rain, snow, sleet, and hail that soaks into the ground. The water moves down into the ground because of gravity, passing between particles of soil, sand, gravel, or rock until it reaches a depth where the ground is filled, or saturated, with water. Groundwater is stored in the ground in materials like gravel or sand. Water can also move through rock formations like sandstone or through cracks in rocks. Groundwater is one of solution to overcome a problem of the need of drinking water in the PadangLuas Area, because the availability of surface water is not enough. The objective of research is finding out characteristic and condition of ground water in PadangLuas, Tanah Laut district. To meet the objective, it was applied method of geophysical technology, namely electrical resistivity method by injecting current into the ground through current electrodes that are grounded at the earth's surface and measuring the difference of the electrical potential between the potential electrodes. Based on data processing, modeling and interpretation, it was gained result concerning the existence of aquifer in PadangLuas area that is predicted to occupy between 30 – 60 meter and 70 – 120 meter depth. Keywords : Groundwater, Electrical Resistivity
STUDI DINAMIKA KUALITAS AIR DAS CILIWUNG Soewandita, Hasmana; Sudiana, Nana
Jurnal Air Indonesia Vol. 6 No. 1 (2010): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jai.v6i1.2449

Abstract

Ciliwung River which has upstream in Bogor, while downstream in Jakarta presence has very important role for the region in its path. Positive role of the river for the public interest in this area include the need of clean water sources, irrigation / agriculture, industry and others. Conversely Ciliwung River is also a source of flood disaster in Jakarta. Will consider its use, the risk of disaster resources and environmental burdens are received by the waters and the water catchment area is very large, then the existence of river quality should be monitored both the water catchment conditions or water quality. For future purposes, it would require a management with specific deadlines (5 th, 10 th, 15 th) and targets based on the quality of the water quality standards (BMA) class III, II and I. The results of the current monitoring parameters BOD, COD, fecal Coli, Coliform has a value above the threshold of water quality standards specified. While DO in the downstream segment has a value below the water quality standards. Other parameters such as pH, TSS and nitrogen have a greater trend downstream, but the value of the water quality is still under water quality standards that are targeted. Keywords: Water quality, Water Quality standards, Ciliwung river.
PERAN TEKNOLOGI DALAM PENENTUAN KEBIJAKAN PENGELOLAAN SUMBERDAYA AIR NASIONAL Herlambang, Arie
Jurnal Air Indonesia Vol. 5 No. 2 (2009): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jai.v5i2.2450

Abstract

In the national water resource management, the data is the basis for the calculation of water reserves. In a large scale and wide, searching the data will require substantial funding, as well as with the updates. Data colecting becomes a problem and not useful if not managed with the system efficiently and effectively. Technology occupies an important role in accelerating the work, such as remote sensing technology using a satellite to determine the condition of forests and water, or a weather that can see the concentration of clouds and wind movement. Determination of catchment areas of water and protected areas, may of them using remote sensing technology. Water treatment technologies for drinking water and the development of efficient recycling technology of waste water, is very supportive in increasing water use efficiency. Technological developments also influence government policy and the implementation of water resource management. National Policy of Water Resource Management is influenced by economic factors, environmental sustainability and socio-cultural conditions. The role of technology are  facilitate, accelerate and improve the efficiency of the process, so that the process can be more economical and environmental impact is reduced, and does not conflict with the socio-cultural conditions. Keywords : Kebijakan nasional sumber daya air, potensi sda, teknologi pengolahan air
APLIKASI UNDANG-UNDANG TENTANG INFORMASI DAN PELAYANAN PUBLIK DALAM KASUS SISTEM INFORMASI TEKNOLOGI PENGELOLAAN AIR BERSIH DAN LIMBAH CAIR Komarudin, Komarudin; Yudo, Satmoko
Jurnal Air Indonesia Vol. 5 No. 2 (2009): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jai.v5i2.2451

Abstract

The Law of Information and Electronics Transaction, the Law of Public Information Transparency, the Law of Ombudsman of the Republic of Indonesia, and the Law of Public Services  is a part of the legal system related to information and public services. These four laws should be scrutinized in terms of technology application. To create prime services in the management of clean water and waste water, it has been developed the technology information system of clean water and waste water processing (SITPABLC). SITPABLC is the information system to provide information and technology services due to supporting the implementation of these four laws.         Keywords: informasi, transaksi elektronik, informasi publik, keterbukaan informasi publik, pelayanan publik, ombudsman, dan good governance. 
KONDISI KUALITAS AIR SUNGAI CILIWUNG DI WILAYAH DKI JAKARTA DITINJAU DARI PARAMATER ORGANIK, AMONIAK, FOSFAT, DETERJEN DAN BAKTERI COLI Yudo, Satmoko
Jurnal Air Indonesia Vol. 6 No. 1 (2010): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jai.v6i1.2452

Abstract

Jakarta city has 13 rivers one of which is Ciliwung river. It flows across the city amid a lot of dense housing, slums and villages. As a result the river is experiencing the most severe pollution compared to other rivers that flow in Jakarta. To find out how much pollution in the Ciliwung river, this paper will discuss several pollutant parameters such as, BOD, COD, ammonia, phosphates, detergent and coli bacteria. Overall, that the concentrations of these parameters continue to increase annually, this causing pollution in the Ciliwung river higher. Keywords : Ciliwung rivers, water pollution from domestic wastewater, river water quality, organic parameters, ammonia, phosphates, detergent and coli bacteria.
ANALISIS FAKTOR PENYEBAB JEBOLNYA TANGGUL SITU GINTUNG Harsoyo, Budi
Jurnal Air Indonesia Vol. 6 No. 1 (2010): Jurnal Air Indonesia
Publisher : Center for Environmental Technology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jai.v6i1.2453

Abstract

Spatial and hidrology analysis has been done to find out the main factor of causing the burst of Situ Gintung dam incident on March 27, 2009. Spatial analysis was done to get some parameters that needs as input for hidrology analysis. The analysis results indicating that rain fall actually was be one of cause factors that incident, but not as the main factor. The condition of dike which already broken as the consequence of its life time and also the condition of  spill way which has not function as like as innitialy built by Nederland Goverment, is more as principal factor of causing the burst of Situ Gintung dam incident. Keywords : Situ Gintung, analysis, spatial, hidrology, cause factors.

Page 34 of 37 | Total Record : 366

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