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Volume 5

Global NEST Journal cover

Global NEST Journal

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Pilot - Plant Experiments For The Removal of Thms, Haas and Doc from Drinking Water by Gac Adsorption- Galatsi Water Treatment Plant, Athens


Babi K.G., Koumenides K.M., Nikolaou A.D., Mihopoulos N.S., Tzoumerkas F.K., Makri C.A. and Lekkas T... View all


A pilot-plant study was carried out with the water supply to Athens water works filtered through a granular activated carbon (GAC) filter- adsorber. The objective of this study was to evaluate the performance of GAC for the removal from drinking water of the two main groups of disinfection by...

THMs HAAs +4 more

Quality of Groundwater in Western Thessaly the Problem of Nitrate Pollution


Dimopoulos Μ., Chalkiadaki Μ., Dassenakis Μ. And Scoullos M.


The results of a research study about the groundwater quality in western Thessaly, that took place during the period 2001-2002, are presented in this paper. The study included two samplings during May and August of 2002. In May the water table is at high level while at the end of the summer the...

groundwater nitrogen compounds +2 more

Nitrogen, Phosphorus and Organic Carbon in Main Rivers of the Western Greece


Ovezikoglou P., Ladakis M., Dassenakis M. and Skoullos M.


Results of a monitoring project for the water quality of three important rivers of western Greece (Acheloos, Louros and Acherontas) are presented in this paper. The results include the concentrations as well as the temporal and spatial distributions of nitrates, nitrites, phosphates, ammonia and...

River Acheloos +4 more

Determination, Interpretation and Modeling of Chlorination by-Products Concentrations in Surface Waters


Nikolaou A., Arhonditsis G., Kolovoyiannis V., Golfinopoulos S. and Lekkas T.


The formation of chlorination by-products (CBPs) was investigated by bench-scale chlorination experiments with surface waters from different sources in Lesvos island, Greece. The main factors studied were organic matter content of water (expressed as UV-272 absorbance), time and chlorine dose. The...

chlorination by-products multifactor analysis of variance +2 more

Optimization of Analytical Methods for the Determination of Trace Concentrations of Toxic Pollutants in Drinking and Surface Waters


Lekkas T.D., Kostopoulou M., Kolokythas G., Thomaidis N., Golfinopoulos S., Kotrikla A., Pavlogeorga... View all


Pollutants posing health risks to human health and to the aquatic environment often occur in drinking and surface waters, as a result of disinfection practices, agricultural and industrial activities, wastewater discharges. Toxic pollutants belong to different chemical categories, including...

analytical methods chlorination by-products +5 more

Corn Irrigation with Reclaimed Municipal Wastewater


Panoras A., Evgenidis G., Bladenopoulou S., Melidis B., Doitsinis A., Samaras I., Zdragkas A. and Ma... View all


The effects of effluent from Thessaloniki, the second most populated Greek city, reclaimed either by activated sludge or by stabilization ponds, were studied on field-grown corn. The experimental layout was that of a split- plot design with six replications, three water qualities and two irrigation...

Greece furrow +1 more

Evaluation of Treatment Schemes Appropriate for Wastewater Reuse in Greece


Andreadakis A., Mamais D., Gavalaki E. and Panagiotopoulou V.


The scope of this paper is the evaluation of wastewater reuse quality criteria and treatment specifications, appropriate to Greek conditions. The parameters that affect wastewater reuse criteria were taken into consideration, concerning among others reuse priorities, available treatment plants and...

wastewater reuse criteria +4 more

GIS Integration of Aster Stereo Imagery for the Support of Watershed Management


Chrysoulakis N., Diamandakis M. and Prastacos P.


In this study, ASTER (Advanced Spaceborne Thermal Emission and Reflection Radiometer) stereo imagery was analysed in combination with Global Positioning System (GPS) data and field observations, using Geographical Information Systems (GIS) techniques to examine the potential of satellite remote...

Digital Elevation Model Stereoscopic Analysis +3 more

GFIS (Geographic Forecasting Information System): A Case Study in Water Resources Management


Pagourtzi E., Nikolopoulos K. and Assimakopoulos V.


The current study presents the development of a Forecasting Information System for geographic data (cross-sectional time-series for different geographic regions). GFIS, Geographic Forecasting Information System, was developed with MS Visual Basic (User Interface), ArcView (GIS) and MS Access (DBMS)...

Time-series forecasting +4 more

Testing Alternatives for Salt Wedge Management in an Estuary with the Use of Monitoring and a Mathematical Model


Haralambidou K.I., Sylaios G.K. and Tsihrintzis V.A.


The intrusion of salt wedge in rivers is a natural phenomenon, which occurs in many estuaries. Saline water tends to propagate upstream from the river mouth, due to the limited freshwater and the tidal and density currents developed, resulting in deterioration of water quality in the lower river...

saline intrusion salt wedge +4 more