Refine search
Results 1-7 of 7
Oxidation of high concentrations of ammonia from groundwater - example: purification of drinking water in the Grocka municipality [Serbia]
2006
Perisic, M. (Univerzitet u Beogradu, Beograd (Serbia). Centar za multidisciplinarne studije), E-mail: perisicmi@sezampro.yu | Stevanovic, S. (JKP Vodovod, Grocka (Serbia)) | Natic, D. (Institut za zastitu zdravlja Republike Srbije Dr Milan Jovanovic Batut, Beograd (Serbia)) | Karadzic, V. (Institut za zastitu zdravlja Republike Srbije Dr Milan Jovanovic Batut, Beograd (Serbia))
The paper analyses application of different methods for removal of the high content of ammonia from groundwater sources of the Grocka municipality neighborhoods Umcari and Pudarci. According to the relevant data from this field method, biochemical oxidation with the Nitrosomonas and Nitrobacter bacteria was used. Parameters of biological processes of the ammonia oxidation were defined on the pilot model located at the groundwater source. On the pilot model, consisting of a trickling filter and a fast gravel filter, quantitative oxidation NH4 to NO3 was done. Purification plant was designed with parameters of the pilot model, with minimal investment and exploitation expenses, without undesired side products and ecological risks characteristic for procedure of chemical oxidation of ammonia, which recommends this procedure as the optimal solution.
Show more [+] Less [-]Physico-chemical and microbiological characteristics of agricultural soil of groundwater source of city Velika Plana [Serbia] - Livade
2006
Brebanovic, B. (Institut za zemljiste, Beograd (Serbia)), E-mail: soilscis@eunet.yu | Sikiric, B. (Institut za zemljiste, Beograd (Serbia)), E-mail: soilscis@eunet.yu | Perovic, V. (Institut za zemljiste, Beograd (Serbia)), E-mail: soilscis@eunet.yu | Zdravkovic-Boreli, Dj. (Institut za vodoprivredu Jaroslav Cerni, Beograd (Serbia))
In the frame of the project Water Supplying of the Cities and Protection of the Groundwater Quality in the Velika Morava Valley, was obtained the analysis of potential polluters of groundwater sources of town Velika Plana - Livade. This paper presents results of water physical, chemical and microbiological characteristics of soil. According to the results of research and way of usage of the soil, it was concluded that agricultural production does not have negative influence on quality of the groundwater source.
Show more [+] Less [-]Transboundary groundwater bodies - basis for shared resource management
2006
Djuric, D. (Institut za vodoprivredu Jaroslav Cerni, Beograd (Serbia)), E-mail: dusan.djuric@cerni.co.yu
The EU Water Framework Directive imposes special requirements for transboudary groundwater bodies, and thereby emphasizes their significance. The management of a common resource calls for an integrated approach to monitoring and status assessment, as well as implementation of improvement measures. Serbia, Hungary and Romania share a water body in the Pannonian Basin, for which cooperation has already been established within the framework of the ICPDR and at the bilateral level.
Show more [+] Less [-]Protection of groundwater by changing hydrological conditions on example of the groundwater source of Cemovsko Polje [Montenegro]
2006
Vukcevic, S.V. (Institut za tehnicka ispitivanja, Podgorica (Montenegro))
Protection of raw water quality at the water source is delicate and often very expensive. As it is known, the majority of hydrotechnical structures are complex and big in both technical and financial terms. This paper is aiming to show necessity to provide, if possible, multipurpose use of these structures in order to reduce and distribute the costs.
Show more [+] Less [-]Conditions of physico-chemical and microbiological characteristics of agricultural soil of groundwater source of city Smederevska Palanka - Trnovce [Serbia]
2006
Pivic, R. (Institut za zemljiste, Beograd (Serbia)), E-mail: soilscis@eunet.yu | Rasulic, N. (Institut za zemljiste, Beograd (Serbia)), E-mail: soilscis@eunet.yu | Nikolovski, M. (Institut za zemljiste, Beograd (Serbia)), E-mail: soilscis@eunet.yu | Popovic, V. (Institut za zemljiste, Beograd (Serbia)), E-mail: soilscis@eunet.yu
In the frame of the project Water Supplying of the Cities and Protection of the Groundwater Quality in the Velika Morava Valley, was obtained the analysis of potential polluters of groundwater source of city Smederevska Palanka - Trnovce. This paper presents results of water physical, chemical and microbiological characteristics of soil. According to the results of research and way of usage of the soil, it was concluded that agricultural production does not have negative influence on quality of the groundwater source.
Show more [+] Less [-]Formation of ozonation byproducts in groundwater subjected to aeration/preozonation and coagulation
2006
Agbaba, J. (Prirodno-matematicki fakultet, Novi Sad (Serbia)), E-mail: agbaba@ih.ns.ac.yu | Dalmacija, B. (Prirodno-matematicki fakultet, Novi Sad (Serbia)) | Klasnja, M. (Tehnoloski fakultet, Novi Sad (Serbia))
This work considers the effect of the ozonation process on formation of aldehydes in groundwater pretreated by aeration/preozonation (2.0 g O3/cubic meter) and coagulation with polyaluminium-chloride (5 and 10 g Al/cubic meter). Experiments were carried out on a semi-industrial plant of 2 cubic meter/h capacity. It was found that in the course of ozonation NOM content shows a decrease (up to 54% TOC), whereas content of aldehydes increases by 1.0-14 microgram/L, depending on the water pretreatment and applied ozone dose. The most prominent changes in specific aldehydes content during ozonation were detected after applying ozone dosages of 0.5-2.0 mg O3/mg TOC.
Show more [+] Less [-]Adventage of ozonization in treatment of groundwater
2006
Kaut, I. (Vodovod i kanalizacija, Pancevo (Serbia)), E-mail: kaut@eunet.yu | Savic, Z. (Vodovod i kanalizacija, Pancevo (Serbia))
Treatment of groundwater with increase contents of ammonia, iron and manganese, needs more content of oxigen then realized in proceeding of aeration. Beside enriching water of oxigen, ozonization gives other important effects. For the first time, ozonization is practicaled on plant in Pancevo (Serbia), and it is base for define all of positive experiences. From this, we can recognize priorities of this proceeding, which will be aranged in this report.
Show more [+] Less [-]