DSpace at VGTU: Recent submissions
Now showing items 161-180 of 47774
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Possibilities to recycle plastic waste in cementitious materials
(11th International Conference “Environmental Engineering” (ICEE-2020), 2020)In the paper, the changes of properties of expanded clay concrete when a part of the coarse aggregate is replaced with plastic waste are discussed upon. First of all, standard expanded clay concrete specimens were formed, ... -
Particulate matter from non-exhaust sources
(11th International Conference “Environmental Engineering” (ICEE-2020), 2020)Air pollution is an important issue worldwide. Solid components in air (particulate matter, PM) originate from a variety of natural or anthropogenic sources and have different morphological, physical, and chemical properties. ... -
Bioremediation efficiency of heavy metal contaminated soil using earthworm Eisenia Fetida
(11th International Conference “Environmental Engineering” (ICEE-2020), 2020)The amount of sewage sludge (SS) used in agriculture and forest plantations is constantly growing in EU. It’s known that even after various treatment methods some of contaminants still remain. The main risks of using SS ... -
Investigation of sorbents for phosphorus removal
(11th International Conference “Environmental Engineering” (ICEE-2020), 2020)Nowadays, the problem of water pollution with phosphorus compounds is especially important. Wastewater treatment plants do not always meet the strict requirements for the residual total phosphorus concentration – 1 mg/l ... -
Using biofilter packed with different wood waste charges for purification of air contaminated with benzene
(11th International Conference “Environmental Engineering” (ICEE-2020), 2020)The main aim of this work was the analysis and assessment of benzene removal from air using bio-filter packed with a mixture of wood waste. The results of this work show that the small scale bio-filter with various coniferous ... -
Use of natural sorbent for stormwater treatment
(11th International Conference “Environmental Engineering” (ICEE-2020), 2020)Stormwater runoff is an important avenue for pollutant transport from impermeable surfaces to surface waters. Consequently, stormwater pollutions require additional treatment processes to achieve water quality goals. Natural ... -
Influence of factors of a healthy working environment on employee labor productivity (on the example of higher educational institutions of Georgia)
(14th International Scientific Conference “Business and Management 2024”, 2024)In today’s global landscape, human capital stands as the paramount force driving organizational success – a pivotal and irreplaceable asset. The challenges posed by the recent pandemic have underscored the significance of ... -
Populism and marginalized communities: how politicians in Slovakia abused poverty during election
(14th International Scientific Conference “Business and Management 2024”, 2024)Based on a 2019 study carried out by the Government Commissioner for the Roma community, the Roma community in Slovakia makes up approximately 8% of population. Marginalized groups are often targets of exploitation by ... -
Modelling of incident wave sound absorption coefficient of paper sludge panels
(11th International Conference “Environmental Engineering” (ICEE-2020), 2020)Paper sludge is the water treatment waste, which produced during paper production. Paper sludge (PS) waste utilization is the common problem in the EU and internationally. According to authors Frías et al. paper sludge is ... -
Study of thermal reduction of barium sulphate for barium sulphide preparation
(10th International Conference “Environmental Engineering” (ICEE-2017), 2017)Industrial wastewaters, particularly those associated with mining and mineral processing, can contain high concentrations of sulphate. There are various methods of sulphate removal e.g. reverse osmosis, ion exchange, ... -
Harmonized index of consumer prices impact on real estate market in Baltic countries
(14th International Scientific Conference “Business and Management 2024”, 2024)The real estate market is a significant component of the global economy, attracting the attention of both investors and economists. Its dynamic nature has made it a widely studied subject, especially concerning its impact ... -
Exploring the relationship between government DEBT and real GDP: a panel ARDL analysis
(14th International Scientific Conference “Business and Management 2024”, 2024)This study explores the impact of government debt on real GDP in 37 high-income economies from 1990 to 2019, using quarterly data and panel ARDL models with the PMG estimator to distinguish between short-run and long-run ... -
Phenomenon of retroeconomics in post-Soviet countries: necroeconomics as the past and the future of retroeconomics
(14th International Scientific Conference “Business and Management 2024”, 2024)In Post-pandemic world, after global shutdown and involuntary “break” for the world globalized economic system, the world witnesses the unavoidable changes in the economic processes and in the world economic geography. One ... -
From barriers to bridges: enhancing labour market dynamics through refugee integration in Europe
(14th International Scientific Conference “Business and Management 2024”, 2024)This article examines the critical role of refugee integration into labour markets as a solution to workforce shortages faced by companies across Europe. With a growing gap between labour demand and the available workforce, ... -
Assessment of heavy metals bioconcentration factor (BCF) and genotoxicity response induced by metal mixture in Salmo salar tissues
(10th International Conference “Environmental Engineering” (ICEE-2017), 2017)The aim of this study was to evaluate metals bioconcentration factor (BCF) in gills, liver, kidneys and muscle in relation with genotoxicity effects of metal mixture in peripheral blood, kidneys, gills and liver erythrocytes ... -
Soil surface pollution with heavy metals caused by coal-fired boilers
(10th International Conference “Environmental Engineering” (ICEE-2017), 2017)One of the goals for environmental experts is to help avoid, prevent or reduce harmful effects on human health and the environment as a whole. The idea is that the public and the polluting companies would be informed of ... -
Mathematical modelling for copper and lead adsorption on coffee grounds
(10th International Conference “Environmental Engineering” (ICEE-2017), 2017)Research studies on the adsorption kinetics are conducted in order to determine the absorption time of heavy metals on coffee grounds from liquid. The models of adsorption kinetics and adsorption diffusion are based on ... -
Research and evaluation of the aromatic hydrocarbons in the polluted wooden railway sleepers
(10th International Conference “Environmental Engineering” (ICEE-2017), 2017)Wooden railway sleepers are impregnated with the chemicals that prevent the disassembling of the wood splitter. Such chemical wood impregnator as creosote or shale oil have been widely used to prolong the lifetime of wooden ... -
Effect of modification with FeCl3 and MgCl2 on adsorption characteristics of woody biochar
(10th International Conference “Environmental Engineering” (ICEE-2017), 2017)Due to high specific surface area, well-developed porous structure and surface functionality biochar has a potential for being used as low-cost adsorbent for adsorption of organic and inorganic contaminants from aqueous ... -
Integrated evaluation of road transport pollution impact on the urban air
(10th International Conference “Environmental Engineering” (ICEE-2017), 2017)With the number of vehicles increasing, the analysis of urban air pollution becomes expedient. This article deals with the integrated evaluation of road transport realised pollutant impact on the urban air. During research, ...