In this research, the resulsts of bentonite characterization by XRF before and after adsorption are presented. The influence of temperature and pH on the capacity and efficiency of adsoption of lead (II) ions using bentonite is determined by adsorption experiments for initial lead (II) concentrations of 200, 300 and 400 mg/L, adsorbent dosage of 1 ...

By Amna Karić, Amra Odobašić, Edisa Papraćanin, Azra Halilović

Because of their properties, superalloys are primarily used for the production of structural parts whose operating conditions correspond to elevated temperatures and often extremely aggressive environments. Because of that, they require a combination of high strength, good fatigue and creep resistance, and good corrosion resistance. Nimonic 80A is ...

By Raza Sunulahpašić, Mustafa Hadžalić

Formability is the ability of a material to deform without fracturing, and the assessment of this property depends on various factors such as temperature, deformation speed, and stress state. There are two main approaches to determining formability: one is based on testing different materials under controlled stress conditions, and the other on dev...

By Ibrahim Plančić, Amina Ćurić, Amila Brkić-Omić

Traditionally, the design of manufacturing technology and tool construction for metal forming processes relies on literature guidelines and the extensive experience of engineers. Today, the technology of deformation processing is in rapid development based on the application of computers, which enable extensive research and studies. This is also tr...

By Ibrahim Plančić, Amina Agić

Aluminum dross contains high amount of metallic Al (up to %60 wt. Al) and regarded as a waste in aluminum casting operations. High metallic value in Al dross can be utilized via recycling procedure. In this study, Al dross was used in aluminothermic ferrochromium production with chromite ore and mill scale. Enthalpy, Gibbs Free Energy and Entropy o...

By Selçuk Yeşiltepe

  This study presents the results of applied phytoextraction as a soil phytoremediation method, based on the analysis of selected heavy metal content in soil and plant material. The selected locations where phytoextraction was applied as a phytoremediation method (Gradišće, Podbrežje, and Tetovo) are situated in the city of Zenica, in ...

By Farzet Bikić

Measuring the material's microhardness is generally easy and quick. However, since the operator reads the dimensions, i.e., the ends of the imprint formed in the material, the measurement result is greatly influenced by the operator's assessment. We present the research results in which three operators measured Vickers microhardness on the same im...

By Amra Salčinović Fetić, Melisa Baždar, Belma Husković, Ajla Karić

Phytoremediation with wild plant species could be environment friendly and economical solution. Selected wild plants like mint, oregano, chamomile, nettle and St. John’s wort, from rural area in Bosnia and Herzegovina, were collected, lyophilized and acid digested for heavy metals analysis. Nickel (Ni), copper (Cu), chromium (Cr), cadmium (Cd...

By Šaćira Mandal, Aida Šapčanin

 ABSTRACT Safety management is the implementation of activities that guarantee the achievement of high safety standards in accordance with minimum regulatory requirements. The premises of the Zenica steelwork are classified, from the point of view of safety and health protection, as hazardous areas. Occupational safety and health tasks are or...

By AIDA IMAMOVIC

In order to meet the increasingly stringent requirements and growing needs of customers across most industrial sectors, particularly in the modern automotive industry, environmental protection, and energy consumption reduction, new materials and methods for their joining that cannot be performed using conventional joining technologies are increasin...

By Ibrahim Plančić, Benjamin Čukle