Dabar rodomi įrašai 61-80 iš 6135

    • Application of hydrodynamic cavitation for leachate of municipal landfill site 

      Korniluk, Marta; Ozonek, Janusz (8th International Conference “Environmental Engineering” (ICEE-2011), 2011)
      Landfill leachate is generated as a result of rainwater percolating through the landfilled waste and leaching organic and inorganic compounds formed during landfill transformation. Typically, landfill leachate is characterized ...
    • Start-up of trickling filters using novel filter medium under low temperature conditions 

      Kirjanova, Ala; Rimeika, Mindaugas; Dauknys, Regimantas (8th International Conference “Environmental Engineering” (ICEE-2011), 2011)
      Start-up of three pilot scale trickling filters (3.05 m in height and 0.6 m (1 TF), 0.8 m (2 TF) and 1.0 m (3 TF) in diameter) using the stone-wool substrate medium at low wastewater temperature (2.5–8.5 ºC) was investigated ...
    • Influence of the Klaipėda Seaport development on the water balance of the Curonian Lagoon 

      Jakimavičius, Darius; Kriaučiūnienė, Jūratė (8th International Conference “Environmental Engineering” (ICEE-2011), 2011)
      Klaipėda Seaport is near the Klaipėda Strait that joins the Baltic Sea with the Curonian Lagoon. The development of Klaipėda Seaport is implemented by the dredging of the fairway of the Klaipėda Strait and the building of ...
    • Rudinė river environmental state‘s assesment and improvement 

      Ignatavičius, Gytautas; Kreivėnaitė, Indrė; Raulinaitis, Mindaugas (8th International Conference “Environmental Engineering” (ICEE-2011), 2011)
      This article analyses the Ignalina city wastewater treatment plant‘s (WWTP) impact on water quality of the river Rudinė and presents assessment of environmental quality of this surface water body. Assessment is based on ...
    • Hydraulic characteristics of the plastic pipes of drainage colletors 

      Gurklys, Vidmantas (8th International Conference “Environmental Engineering” (ICEE-2011), 2011)
      In Lithuania, plastic drain pipes are being used when building new land reclamation systems or reconstructing already existing. It is connected with the better constructions and technological characteristics of plastic ...
    • Wastewater treatment plant hydraulic performance improvement 

      Gjunsburgs, Boriss; Neilands, Romans; Jaudzems, Gints (8th International Conference “Environmental Engineering” (ICEE-2011), 2011)
      Sloka WWTP case study. The effluent suspended solids concentration is important parameter as the high fraction of organic matter, nitrogen and phosphorus are in suspended form, and to avoid suspended solids particle escaping ...
    • Oxygen transfer rate and bod removal efficiency of constructed wetlands with dependence on construction 

      Gasiūnas, Valerijus (8th International Conference “Environmental Engineering” (ICEE-2011), 2011)
      Most cases of wastewater treatment involve three main types of constructed wetlands (CW). They are free-water surface wetlands (FWF) and subsurface flow CW including filters of vertical flow (SVF) and horizontal flow (SHF). ...
    • The influence of morphometric characteristics on the functional usage of Lithuanian lakes 

      Daubarienė, Jurgita; Valiuškevičius, Gintaras; Asijavičiūtė, Vilma (8th International Conference “Environmental Engineering” (ICEE-2011), 2011)
      Functional usage of lakes is the usage of lake shores and water area in order to meet different needs of people. A lot of factors influence the suitability of a lake for certain activities, i.e. geographical position of a ...
    • Method for evaluation water budget in small river catchments 

      Česnulevičius, Algimantas (8th International Conference “Environmental Engineering” (ICEE-2011), 2011)
      The atmospheric water infiltrating the underground predetermines the water storage of large and small rivers, groundwater and inter-stratum water supplies and base-flow. Climate fluctuation cycles affect the natural ...
    • Riparian buffer strips – foreign experience and readjustment to lithuanian conditions 

      Bastienė, Nijolė; Kirstukas, Juozas (8th International Conference “Environmental Engineering” (ICEE-2011), 2011)
      Intensification of agricultural activity, increasing areas of cultivable land and reclamation works in the river valleys (canalizing and deepening of the river bed, installation of drainage systems) have a significant ...
    • Modeling of hydraulic conductivity in the regulated streams of southeast Lithuania 

      Barvidienė, Oksana; Šaulys, Valentinas (8th International Conference “Environmental Engineering” (ICEE-2011), 2011)
      The presented work aims to evaluate the changes in hydraulic conductivity and the planning possibilities for the naturalization of regulated streams in the Southeast Lithuania. The investigations have been carried out in ...
    • Runoff fluctuation in river basins of different size in regard to meteorological conditions 

      Bagdžiūnaitė – Litvinaitienė, Lina; Vertelkaitė, Vilma (8th International Conference “Environmental Engineering” (ICEE-2011), 2011)
      It is very important to keep a close watch on river runoff, because this is one of the indicators that show changes in the climate. Meteorological conditions alter with climate getting warmer and therefore influence river ...
    • Feasibility study of asynchronous generator at Kruonis pumped storage plant 

      Ališauskas, Darius; Deksnys, Rimantas Pranas; Ragauskas, Vytautas (8th International Conference “Environmental Engineering” (ICEE-2011), 2011)
      Variable speed turbine with asynchronous generator is planned to build in Kruonis Pumped Storage Plant for plant schedule chart improvement. The fifth unit with variable speed turbine and asynchronous generator is planned ...
    • The removal of iron-organic complexes from drinking water using coagulation process 

      Albrektienė, Ramunė; Rimeika, Mindaugas; Lubytė, Ernesta (8th International Conference “Environmental Engineering” (ICEE-2011), 2011)
      The main problem of drinking water in Lithuania is high iron concentrations. Traditional methods can be used to remove iron from water; however, if drinking water contains organic matters, these matters have a negative ...
    • Research of organic carbon loss in sewage sludge compost by using composting covers 

      Zigmontienė, Aušra; Zuokaitė, Eglė (8th International Conference “Environmental Engineering” (ICEE-2011), 2011)
      Soil and climate change relation is highly important. Soil is part of climate change problem, but it could be a part of this problem solution. For better understanding and estimation of climate gasses emission and for ...
    • Environmental impact assessment in context of water structures 

      Zelenakova, Martina; Zvijakova, Lenka (8th International Conference “Environmental Engineering” (ICEE-2011), 2011)
      The process of Environmental Impact Assessment (EIA) has been successfully applied as a tool for environmental planning and environmental policy in many countries. It can be seen as a process of identification, prediction, ...
    • Effects of herbicides on target and nontarget organisms 

      Žaltauskaitė, Jūratė; Brazaitytė, Vilija (8th International Conference “Environmental Engineering” (ICEE-2011), 2011)
      Pesticides have significant environmental and public health impact. This study examined the target and nontarget effects of herbicide Sekator OD 375 (amidosulfuron and iodosulfuron) to target weed species Chenopodium album ...
    • Research on physico-chemical pretreatment of wastewaters from animal-origin waste utilization 

      Zak, Slawomir (8th International Conference “Environmental Engineering” (ICEE-2011), 2011)
      This paper presents the results of one-year research carried out on the installation built to pretreat post-condensate effluents from the process of thermal pressure destruction of animal originated wastes. This prototype ...
    • Investigation of efficiency of cassette biofilters, designed for air cleaning from xylene 

      Zagorskis, Alvydas; Spiečiūtė, Renata (8th International Conference “Environmental Engineering” (ICEE-2011), 2011)
      The experimental investigations were carried out, using the biofilter BIOF-I with the system of III cleaning stages, loaded with charge, composed of zeolite granules, wood chips, barks and foam, as well as the biofilter ...
    • The study of aerodynamics regular packing in the form of streamlined profile of the polymer network 

      Zagorskis, Alvydas; Pushnov, Alexander; Masagutov, Damir (8th International Conference “Environmental Engineering” (ICEE-2011), 2011)
      Presents the results of experiments on the aerodynamics of dry and irrigated regular packing. Elements of the nozzle in the form of streamlined profiles. The material of the nozzle used polymer network made of Mylar ...