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Issue 3

Global NEST Journal cover

Global NEST Journal

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Special Issue: Development and Evaluation of Sorbent Materials for Environmental Applications


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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

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

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

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

Heavy-metal uptake by a high cation-exchange-capacity montmorillonite: the role of permanent charge sites


Stathi P., Papadas I.T. , Tselepidou A. and Deligiannakis Y.


A High Cation Exchange Capacity (HCM) montmorillonite clay has been prepared by acetate treatment of Zenith clay. The HCM has been evaluated for metal-uptake from aqueous solutions. The present data show that the cation exchange sites can play a significant role in the adsorption of metals in...

Montmorillonite CEC +4 more

Removal of refractory organic sulfur compounds in fossil fuels using MOF sorbents


Blanco-Brieva G., Campos-Martin J.M., Al-Zahrani S.M. and Fierro J.L.G.


The stringent new regulations to lower sulfur content in fossil fuels require new economic and efficient methods for desulfurization of recalcitrant organic sulfur. Hydrodesulfurization of such compounds is very costly and requires high operating temperature and pressure. Adsorption is a non...

Adsorption organo-sulfur compounds +4 more

Poly(sodium acrylate) hydrogels as potential pH-sensitive sorbents for the removal of model organic and inorganic pollutants from water


Bekiari V. and Lianos P.


Anionic poly(sodium acrylate), PANa, hydrogels bearing negatively charged –COO- groups were used as sorbents for the removal of colored organic or inorganic model pollutants, namely Crystal Violet and Cu2+, from water. It was found that PANa hydrogels adsorb stronger Cu2+ions than Crystal Violet, as...

sodium acrylate poly +5 more

Adsorption of atrazine in packed beds


Kovaios I.D., . Paraskeva C.A, and Koutsoukos P.G


The adsorption of the herbicide atrazine in packed beds filled with solids modelling soil components, (silica and humic acid), was studied at conditions simulating the adsorption of atrazine in cultivated soils. The choice of only two constituents of soil in the experimental study was based on the...

Atrazine herbicide +4 more

Study of polyacrylic acid adsorption on the interface of hydroxyapatite – electrolyte solutions


Hafez I.T., Paraskeva C.A., Klepetsanis P.G. and Koutsoukos P.G.,


The adsorption of polyacrylic acid (PAA) on hydroxyapatite (HAP) from HAP saturated solutions was studied in this work as a function of PAA concentration, temperature, pH and ionic strength. In all experiments, the adsorption was studied under conditions of negatively charged adsorbent and adsorbate...

Hydroxyapatite polyacrylic acid +3 more

Study of the Cu(II) removal from aqueous solutions by adsorption on titania


Georgaka A. and Spanos N.


The removal of heavy metals from wastewaters is a matter of paramount importance due to the fact that their high toxicity causes major environmental pollution problems. One of the most efficient, applicable and low cost methods for the removal of toxic metals from aqueous solutions is that of their...

pzc surface charge +3 more

Polychlorinated biphenyl sorption to activated carbon and the attenuation caused by sediment


Hale S.E., Kwon S., Ghosh U. and Werner D.


Activated carbon (AC) is currently being used to treat polychlorinated biphenyl (PCB) contaminated field sediment. In the presence of sediment, the sorption capacity of AC for PCBs can be reduced. In this study, sorption attenuation of AC is investigated using previously published data from 5...

PCB activated carbon-water partitioning coefficient +5 more