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Volume 3

Global NEST Journal cover

Global NEST Journal

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Influence of Diphenyloxide Disulfonate Surfactants on Biodegradation of Hydrocarbons


Rouse J. D., Osamu Hirata and Kenji Furukawa


Testing was conducted with anionic diphenyloxide disulfonate (DPDS) surfactants (C12 and C16 alkyl moieties) with naphthalene in aqueous systems and phenanthrene in soil systems to investigate the influence of these surfactants on biodegradation of hydrocarbons. A potential for enhancement in the...

Anionic surfactant solubilization +4 more

The ways to prevent formation of water-soluble fluorine compounds when producing phosphate fertilizers


Molchanov P.A., Denanov G.A., Podobna Y.Y. and Korniychuk T.K.


Natural phosphate raw materials contain up to 3.5% of fluorine. In reprocessing natural phosphate raw material 30 - 100 % of fluorine emits into the environment as toxic compounds. The acid is used for decomposing the carbon dioxides that are contained in raw materials. The way and technology of...

Phosphate raw material fluorine toxic compounds +1 more

Setting priorities for wildfires suppression policy in Greece, using a relation between yearly burned areas and recovery time


Hadjibiros K.


In the Mediterranean region, fire is a natural factor, which contributes in the shaping of landscape and the preservation of a high degree of biodiversity. However, often repeated burning has negative impacts on the forested landscapes. When the processes of natural or artificial regeneration are...

wildfires Mediterranean +6 more

Using GAC to Control THMs in drinking water, an experimental study at the Athens Water Works and an economic evaluation of the method


Koumenides K., Lekkas D.F. and Xylourgidis N.


An experimental study has been carried out in an attempt to verify the efficiency of GAC (granular activated carbon) in removing THMs (trihalomethanes), and in particular CHCl3, CHCl2Br, CHClBr2 and CHBr3 from drinking water. The experiments have been conducted at a pilot scale filtering plant that...

Water filtration Drinking Water Quality +1 more

Determination of Heavy Metals in Wet Deposition of Athens


Kanellopoulou Helen


The concentrations of ten industrial metals (Pb, Cd, Ni, As, Cr, Zn, Fe, Cu, Al and Mn) in 20 samples of rainwater collected at the station of Athens University Campus (AUC) during the cold period 1/10/97 - 31/3/98 were determined. In general, low concentrations were observed. The Spearman...

Wet deposition Heavy metals +1 more

Water demand and supply analysis using a spatial decision support system


Manoli E., Arampatzis G., Pissias Ev., Xenos D. and Assimacopoulos D.


A prototype Spatial Decision Support System for the evaluation of water demand and supply management schemes is presented. The water basin is topologically mapped to a network of spatial objects representing the physical entities and their connections. Several GIS functions, which include data input...

Integrated Water Resources Management spatial decision support system +1 more