The composite materials prepared from clay and iron oxides in different weight ratios and temperatures denoted as A85 and E20 were heated at 300 °C in reductive atmosphere and up to 650 °C in inert atmosphere. The changes in the structure, surface and pore properties were examined by XRD, N2 adsorption method and TG, DTA method. The morphology was ...

By Annamária Mockovčiaková, Zuzana Danková, Jaroslav Briančin

Wastewater treatment plant is an integral part of the sewerage systemof the town of Bijeljina and it is located at the distance of 10 kilometers.Given the factthat it comprises several objects of different significance, it was necessary to select a suitable location to set up all facilities required. The site is located immediately next to the MPC ...

By Neđo Đurić

The use of modern global navigation system (GPS-GNSS) is massively being used in the modern research. Therefore, the use of these methods in science can do much to facilitate scientific research work. In this scientific work we analyzed the database obtained by the GPS device and field testing engineers, and the data is used to produce maps of the ...

By Nermin Taletović, Dean Osmanović, Jasmin Isabegović

Presence of certain polluting substances in the atmosphere causes disturbance of natural pH values that leads to acidic precipitation occurrence. Measurement of pH of precipitation in the area of the town of Bijeljina has been done since 2008 and the sampling has been performed at three points. This paper presents measurement results of surveys for...

By Mira Vidaković, Neđo Đurić, Petar Savković, Radenko Babić

Economic analysis is the key requirement of EU Water Framework Directive. On a level of river basin area, economic analysis includes three dimensions: 1. economic characterization of water use: current and future projected economic importance of capacities and potentials of water resources; 2. program of measures for achieving good water status: co...

By Mesud Adžemović, Mirjana Bartula, Jordan Aleksić

The noise is meant by all unwanted sounds. As the years were passing by the noise has become more and more intense. European Union adopted Directive 2002/49/EC recognizing noise pollution problem. During the processes of planning and designing, and after the construction of new roads, it is of major importance to determine the level of traffic nois...

By Mirza Pozder

Earthquakes are one of the biggest hazards of humanity. Even today it is not possible to predict the exact magnitude, location and time of an earthquake, but, nevertheless, modern seismology and science are able to point to the potential danger and risk of earthquake-like movements in an area, at one time. Some of the signs that announce the earthq...

By Uzeir Spona

The key problem of water utility companies in Bosnia and Herzegovina in the fight to reduce the level of non revenue water (NRW) is the lack of a unique methodology with clearly defined steps. The aim of this paper is to show the possibility of accepting the concept for the control of water loss in water supply systems, which provides the Internati...

By Dalibor Vlaški, Goran Orašanin

Wells conditions are different in wide range of temperature and depth. Cement slurries in such conditions have to remain pumpable and after setting to stay homogenous in production well life. For cementing operations in wide range of temperature and pressure and to accommodate cement slurries for individual well requirements more than 50 additives ...

By Zvonimir Bošković, Vladimir Čebašek, Nebojša Gojković

The paper presents the potential areas in Bosnia and Herzegovina (BiH) for injecting CO2 into underground geological formations by boreholes. Areas are determined based on the geological structure of Bosnia ana Herzegovina, and development of Miocene formations which are the most prevalent in the northern and northeastern parts of the country, in t...

By Almir Šabović, Jasmin Isabegović, Zvjezdan Karadžin, Edin Delić