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Volume 12

Global NEST Journal cover

Global NEST Journal

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Removal of ammonia by clinoptilolite


Zabochnicka-Swiatek M. and Malinska K.


The important advantage of zeolite applied to water treatment is its high porosity when comparing to other minerals. The porosity results in good hydrodynamic properties (the increase in the pressure loss on the zeolite filters is 1.5-2.0 times smaller than in the case of sand filters) and...

clinoptilolite ammonium ion removal +1 more

Effect of growth conditions on biosorption of cadmium and copper by yeast cells


Anagnostopoulos V.A., Symeopoulos B.D. and Soupioni M.J.


The dependence of Cd(II) and Cu(II) uptake by yeast cells on the age and temperature of cell culture was studied. Saccharomyces cerevisiae, Kluyveromyces marxianus and Debaromyces Hansenii were chosen as typical yeasts, while Cd(II) and Cu(II) as typical metal pollutants. Our results revealed that...

uptake Removal +5 more

The mechanism of retention of vanadium oxo-species at the “titanium oxide / aqueous solution" interface


Tella E., Panagiotou G.D., Petsi T., Bourikas K., Kordulis C., and Lycourghiotis A.


The mechanism of retention of vanadium oxo-species at the “titanium oxide/aqueous solution” interface was investigated over a wide pH range (4-9) and V(V) solution concentration (10-5-2×10-2 M) by combining equilibrium deposition experiments, potentiometric titrations, microelectrophoresis and...

titania vanadates +8 more

Eroded plastic pellets as monitoring tools for polycyclic aromatic hydrocarbons (PAH): laboratory and field studies


Karapanagioti H.K., Ogata Y. and Takada H.


Through transportation accidents or intentional releases, plastic pellets (small granules 1-5 mm in diameter) are widely distributed in the ocean all over the world. These pellets accumulate organic pollutants and can be used for the determination of diffusive seawater pollution. Pellets...

Polyethylene Polypropylene +4 more

Decentralized aerobic composting of urban solid wastes: Some lessons learned from Asian-EU cooperative research


Karagiannidis A., Theodoseli M., Malamakis A., Bilitewski B., Reichenbach J., Nguyen T., Galang A. a... View all


Composting of organic solid wastes is gaining in importance worldwide, in the frame of integrated municipal solid waste management and, in particular, the diversion of biodegradables from landfilling. At the post-consumer stage, this can be achieved by composting practices ranging from large-scale...

composting local scale +2 more

Evaluation of postfire restoration in peri-urban forest of Thessaloniki, Northern Greece


Spanos I.A., Ganatsas P.P. and Tsakaldimi M.N.


Postfire plantation results and pattern of natural revegetation process were monitored for six years after wildfire in the artificial Pinus brutia forest of the suburban park of Thessaloniki, northern Greece. Some flood-preventing treatments and plantings took place on half of the burned area...

natural revegetation Pinus brutia +2 more

Discarded tyre rubber as concrete aggregate: a possible outlet for used tyres


Mavroulidou A. and Figueiredo J.


Discarded vehicle tyres constitute one important part of solid waste which had historically been disposed of into landfills. Recent EU policies on the Landfilling of Waste (Council Directive 1999/31/EC) have however put a ban on the landfilling of whole or shredded tyres, creating an imminent need...

Solid waste management used vehicle tyres +1 more

A comparative study of human thermal comfort conditions in two mountainous regions in Greece during summer


Kamoutsis A., Matsoukis A., Chronopoulos K. and Manoli E.


Human thermal comfort conditions were determined in two mountainous regions of Greece, Gerania mountains (MG) in east continental Greece, and mountainous Nafpaktia (MN) in west continental Greece. Both regions are unexploited with considerable tourist potential. Four sites in each study region were...

thermohygrometric index Artificial neural networks +2 more