In this article are presented the analysis of ore losses in bauxite underground exploitation as well as the manner and possibility to increase recovery factor of ore deposit and exploitation with minimum of diluted ore with overburden. The largest losses of ore are the caracteristics of the mining process itself and the results of model studies of ...

By Slobodan Majstorović, Dražana Tošić

Modrac hydroaccumulation is the largest and most important multi-purpose water resource for water supply to large industrial capacities of importance for Bosnia and Herzegovina, but also for public water supply of Tuzla and Lukavac. Since the water quality of the hydroaccumulation is threatened by the waste water of a large number of different poll...

By Nedim Suljić, Jasmin Hrnjadović

Improvement of the quality of the route is necessary because of its importance in connecting countries of the Western Balkans to central and western Europe. This is the worst section of the road from Albania via Montenegro and Bosnia and Herzegovina to the corridor Vc, which passes through the central part of Bosnia and Herzegovina. The route of th...

By Neđo Đurić, Andja Djujic

Jablanica gabbro represents the highest quality architectural building stone in Bosnia and Herzegovina. Knowledge of the physical and mechanical characteristics of gabbro is an important prerequisite for the proper usage of this rock material. This paper presents a brief review of the geological characteristics Jablanica gabbro deposit, with distin...

By Kenan Mandžić, Adnan Ibrahimović

The computer program ADINA is used for the pressure analysis on the model of the underground opening, trapezoidal in shape in layers of lignite. An analysis was made before, during and after the setting of three and five anchors. The theory about pressure distribution for secondary and tertiary pressure condition in the roof and board sides of the ...

By Semir Fejzić, Jovo Miljanović, Edin Fazlić

Curent situation of raw material base and study of limestone like construction stone deposits in the Republic of Serbian were relatively poorly considered during the last decades, and the main problems are the following: low production capacity,fragmentation of production, needs for raw materials homogenization and delivering of standard quality, u...

By Slobodan Majstorović, Vladimir Malbašić

Taking into consideration the current situation in the field of energy, the specific conditions of our mining and contemporary achievements in the field of underground exploitation, it can be stated that new circumstances in terms of techno-economic and security parameters of exploitation in the whole system of the exploitation of the coal deposits...

By Edin Fazlić, Semir Fejzić

Spices and herbs have been used for centuries by many cultures to enhance the flavor and aroma of foods. Early cultures also recognized the value of using spices and herbs in preserving foods and for their medicinal value. In the present study the essential oil of wild growing Thymus praecox Opiz ssp. polytrichus was isolated by hydrodistillationpr...

By V. Nada Petrović, S. Slobodan Petrović, Dubravka Jovičić, Marina Francišković

Levels of physicochemical parameters (pH, electrical conductivity, sulphates, chlorides, temperature, turbidity, total hardness, iron, manganese, copper, dissolved oxygen, oxygen saturation, total suspended solid, ammonium nitrogen, total nitrogen and orthophosphates ) were determined in the water samples collected from Pek River at 4 sample sites ...

By V. Nada Petrović, P. Dejan Marković

One of basic problems faced in practice of landfill waste treatment is a problem relating to landfill leachate. The intensity of their production, thus their quantity, depends on numerous factors: landfill age, waste types, microclimatic parameters and similar. This leachate must not be discharged directly into the environment without its previous ...

By Nebojša Knežević, Siniša Cukut, Saša Dunović