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Volume

Volume number
14
Publication year
2012

Use of alternative fuels obtained from renewable sources in Brayton cycles

by

Escudero M., Jimenez A., Lopez I. and Rodriguez J.

General

Analysis and simulation of the behaviour of gas turbines for power generation using different nonconventional fuels obtained from different renewable sources are presented. Three biomass-tobiofuel processes are considered: anaerobic digestion of biomass (biogas), biomass gasification (synthesis gas)...

Renewable energy sources Bioenergy +4 more

Using an informational entropy-based metric as a diagnostic of flow duration to drive model parameter identification

by

Pechlivanidis I.G., Jackson B.M., McMillan H.K. and Gupta H.V.

General

Calibration of rainfall-runoff models is made complicated by uncertainties in data, and by the arbitrary emphasis placed on various magnitudes of the model residuals by most traditional measures of fit. Current research highlights the importance of driving model identification by assimilating...

calibration Model identification +5 more

Determination of beryllium in various types of natural waters by electrothermal atomic absorption spectrometry

by

Hagarová I., Macháčková ., L. Žemberyová M. and Návojová V.

General

The procedure for the reliable determination of Be in natural waters by ETAAS was elaborated. Various modifiers (EDTA, Ca(NO3)2, Mg(NO3)2, Pd(NO3)2 and the mixture of Pd(NO3)2 and Mg(NO3)2) for the determination of beryllium was examined. The applicability of the selected Mg(NO3)2 as the appropriate...

Beryllium ETAAS +3 more

Impact from road transport of radioactive wastes in Spain

by

Calleja J.A., Gutierrez F. and Colon C.

General

This work focuses in transport of high level radioactive wastes, mainly consisting of spent fuels from nuclear power utilities in Spain. To date, these wastes are being stored in the own generating facilities, or they are sent to France; but these options are not any more technically or economically...

high-level nuclear transports central storage facility +4 more

An environmental approach for the management and protextion of heavily irrigated regions

by

Stathatou P.G., Tsoukala V.K., Papadopoulou M.P., Stamou A., Spiliotopoulou N., Theochari C.and Papa... View all

General

In this paper the results of a preliminary study that investigates water footprint (WF) concept, as a useful tool to address water management problems in cultivated areas are presented. The two basic methodologies reported in the literature, their applicability, benefits and challenges were...

Water Footprint environmental water resources management +4 more

Determination of Hydrogen Peroxide in Abas abad River Water Based on Catalytice effect of TiO2 Nano Particle on Peroxy Oxalate Chemiluminescenc of Triaznyl Dye Derivative

by

Yeganeh Faal A., Amini M. and Bordbar M.

General

This work is first report showed that supported TiO2 NPs on alumina could act catalytic activity on peroxyoxalate chemiluminescence system. In this work the catalytic effect of supported Titanium dioxide nanoparticles (TiO2 NPs) on the trichloroperoxy oxalate – hydrogen peroxide (PO-CL) reaction is...

Peroxyoxalate Chemiluminescence hydrogen peroxide +1 more

Combustion characterization of producer gas from biomass gasification

by

Hernandez J.J., Barba J. and Aranda G.

General

In the present work, premixed flames from the combustion of producer gas have been analyzed. Two different compositions have been tested, corresponding to air and steam gasification processes (the latter leading to a better quality gas due to its higher CO and H2 concentration and its lower N2...

Producer gas flame stability region +3 more

Spectophotometric studies on the competitive adsorption of boric acid (b(iii)) and chromate (cr(vi)) onto iron (oxy) hydroxide (fe(o)oh)

by

Demetriou A. and Pashalidis I.

General

Various pollutants (e.g. boron and hexavalent chromium) are introduced into the aquatic environment from a variety of industrial operations causing damages to environment and affecting human health. Boron in irrigation water is of particular interest because it can have beneficial or toxic effect on...

Boron chromate +4 more

Bioethanol production from thermochemically pre-treated olive mill solid residues using the yeast Pachysolen tannophylus

by

Senkevich S., Ntaikou I. and Lyberatos G.

General

Olive oil mill solid residue (OMSR) is the solid waste generated during olive oil production process in three-phase olive mills. It consists of the remaining pulp of olive processing after the extraction of oil, as well as the cracked seeds of the olive fruits, containing thus mainly lignocellulose...

Bioethanol solid wastes +3 more