TWO DECADES OF DEPOPULATION IN SERBIA 2002-2022

The Hair Accessories main characteristic of the population changes in Serbia since the beginning of the 21st century is increasingly pronounced depopulation.The difference in the number of births and deaths is continuously increasing to the detriment of births, and emigration traditionally exceeds immigration during the entire analyzed period 2002-

This paper aims to analyze options for the utilization of waste heat at oil refineries, specifically focusing on the rectification column.The study was carried out using the Aspen HYSYS software package.In this paper, two fundamentally different solutions were considered, which were modeled in the mini jug Aspen HYSYS software package, the proposed