Konferencijų straipsniai / Conference Articles: Recent submissions
Now showing items 21-40 of 15192
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Evaluation of biofiltration materials for H2S removal
(12th International conference "Environmental Engineering", 27-28 April 2023, Vilnius Gediminas Technical University, Lithuania, 2023)H2S concentrations in Biogas are limited by environmental regulations. Hence, there are multiple purification methods as biological filtration are developed to meet the standards. In a typical biofiltration process, a bed ... -
Sustainable technology of wastewater treatment by environmentally friendly modified natural sorbents for removal of nitrogen and phosphorus
(12th International conference "Environmental Engineering", 27-28 April 2023, Vilnius Gediminas Technical University, Lithuania, 2023)The work deals with the issues of nitrogen and phosphorus removal from wastewater. Natural and modified sorbents: zeolite, glauconite, and bentonite were tested under laboratory conditions. The studies used effluent from ... -
A bibliometric analysis of river restoration
(12th International conference "Environmental Engineering", 27-28 April 2023, Vilnius Gediminas Technical University, Lithuania, 2023)Increasing environmental pollution and human intervention in nature today require the restoration, study, and monitoring of the positive effects on water quality in the restored rivers. Consequently, the main research ... -
Study on the inflow of biogenic substances into lakes
(12th International conference "Environmental Engineering", 27-28 April 2023, Vilnius Gediminas Technical University, Lithuania, 2023)Changes in the ecosystems of lakes and their shores caused by anthropogenic impact have a huge influence on the quality of the landscape. The article analyzes the inflow of biogenic substances into lakes Lūkstas and ... -
Investigation of acoustic agglomeration efficiency using different working conditions of acoustic chamber
(12th International conference "Environmental Engineering", 27-28 April 2023, Vilnius Gediminas Technical University, Lithuania, 2023)Particulate matter pollution is one of the main factors of atmospheric pollution. Due to its negative impact on both human health and the environment, it has become an actual problem in Lithuania and around the world. This ... -
Evaluation of dynamic adsorption of dyes from aqueous solutions by applying mathematical modelling with the VS2TDI program and experimental studies
(12th International conference "Environmental Engineering", 27-28 April 2023, Vilnius Gediminas Technical University, Lithuania, 2023)Dyes, heavy metals, sulphates, chlorides, petroleum products and other substances can be found in industrial wastewater. Synthetic dyes are divided into different groups according to their chemical composition. It is known ... -
The metakaolin waste effect on the physical and mechanical properties of high-performance concrete
(Modern Building Materials, Structures and Techniques MBMST 2023, 5-6 October, Vilnius, Lithuania, 2024)This paper discusses the structure and properties of high-performance concrete (HPC) analysed by scanning electron microscopy, X-ray diffraction analysis, exothermic temperature, density, bending, and compressive strength. ... -
Properties of biomass fly ash-phosphogypsum based pastes
(Modern Building Materials, Structures and Techniques MBMST 2023, 5-6 October, Vilnius, Lithuania, 2024)Biomass fly ash (BFA) and phosphogypsum (PG) are by-products of wood biomass combustion in thermal power plants and phosphoric acid production. PG is formed during the decomposition of phosphate raw materials by sulfuric ... -
Analysis of soil-geogrid interaction and alternative soil layer approach for improved road embankment stability
(Modern Building Materials, Structures and Techniques MBMST 2023, 5-6 October, Vilnius, Lithuania, 2024)Road embankments are critical elements of modern transportation infrastructure that provide support and stability to the roadway. However, embankments can be vulnerable to slope instability due to factors such as poor soil ... -
Preliminary analysis of mechanical bearing faults for predictive maintenance of electrical machines
(Proceedings of the 2023 IEEE 14th International Symposium on Diagnostics for Electrical Machines, Power Electronics and Drives, SDEMPED 2023, 09 October 2023, Chania, Greece, 2023)Nowadays, electrical machines are used in numerous applications, where unexpected faults are to be prevented. Sophisticated technologies are demanded to be able to manage big data of machines conditions and store these ... -
Physicochemistry properties of water treatment sludge (WTS) as adsorbents for dyes and antibiotics removal
(12th International conference "Environmental Engineering", 27-28 April 2023, Vilnius Gediminas Technical University, Lithuania, 2023)Application of waste materials as adsorbent for water treatment has obtained special attention owning to their low cost and surface functionality. In this study the waste-treatment sludge (WTS) sludge was selected as based ... -
Gas flow experimental research in a newly developed centrifugal-electrostatic precipitator
(12th International conference "Environmental Engineering", 27-28 April 2023, Vilnius Gediminas Technical University, Lithuania, 2023)In this paper, one of the most common environmental pollution problems is investigated – air pollution with particulate matter, and the object of study is a newly created device of a hybrid type of centrifugal and electrostatic ... -
Primary study of plastic micro fibre waste for sound absorption applications
(12th International conference "Environmental Engineering", 27-28 April 2023, Vilnius Gediminas Technical University, Lithuania, 2023)Plastic and waste production has increased significantly in recent years. According to the various predictions the plastic production is not slowing down in the near future. Since 1960, plastic production has risen to 322 ... -
Effects of overall satisfaction with PV Systems and subsidy policy on energy security for rooftop buildings using system dynamics
(Modern Building Materials, Structures and Techniques MBMST 2023, 5-6 October, Vilnius, Lithuania, 2024)A significant amount of the electricity needed to operate units of residential buildings can be generated from rooftop PV systems. This study developed system dynamics models to assess the impact of the overall satisfaction ... -
Removal of ammonium nitrogen from wastewater by tertiary treatment
(12th International conference "Environmental Engineering", 27-28 April 2023, Vilnius Gediminas Technical University, Lithuania, 2023)Ammonium nitrogen present in treated wastewater effluent can cause eutrophication. Wastewater treatment plants do not always meet the strict requirements for the residual total nitrogen concentration – 10 mg/L in the treated ... -
Prediction of sound absorption of Waste Tyre Textile Fibre composite material
(12th International conference "Environmental Engineering", 27-28 April 2023, Vilnius Gediminas Technical University, Lithuania, 2023)Waste Tyre Textile Fibres (WTTF) are one of the main components of end-of-life tyres. During the recycling process, it is been separated from the rubber and the metal parts. According to the EU Directive on Landfills ... -
Application of nano zero-valent iron particles for the removal of phosphate from river water
(12th International conference "Environmental Engineering", 27-28 April 2023, Vilnius Gediminas Technical University, Lithuania, 2023)Nano zero-valent iron (nZVI) particles have attracted much attention due to their ability to eliminate phosphate (PO4-P) from water. In this study, samples of river water with a high concentration of PO4-P were collected ... -
Digital twin of wind generator for modelling various turbine characteristics
(2023 International Conference on Electrical Drives and Power Electronics, EDPE 2023 - Proceedings, 25-27 September 2023, The High Tatras, Slovakia, 2023)This article describes the digital twin of the wind generator. The model of the turbine provides a valuable tool for monitoring, controlling, and predicting the wind generator’s behavior. This type of algorithm allows for ... -
Changes of quality in agricultural drainage water between nature's seasons
(12th International conference "Environmental Engineering", 27-28 April 2023, Vilnius Gediminas Technical University, Lithuania, 2023)Agricultural drainage and related water management systems are implemented to improve farming. Get higher yields of agricultural production. Remove excess water. When removing excess water in cultivated areas, it is important ... -
Development of timber construction in European countries: Drivers, barriers, and education
(Modern Building Materials, Structures and Techniques MBMST 2023, 5-6 October, Vilnius, Lithuania, 2024)For all of the European Union countries, the European Green Deal has set ambitious objectives to become climate neutral by 2050. The global challenge is to achieve prosperity and sustainable economic development while ...