Investigation of the technology for obtaining thin coatings of vanadium pentoxide for the production of smart windows

This article deals with the doping of vanadium pentaoxide with tungsten in various quantities and obtaining coatings used in the production of “smart windows” from the resulting melt. The properties of the obtained coatings were determined using X-Ray diffraction (XRD) and scanning electron microscope (SEM). The thermo-optical properties, namely solar reflectance and IR emittance, were investigated and were correlated with the doping tungsten effect in thin vanadium oxide films

Investigation of the technology for obtaining thin coatings of vanadium pentoxide for the production of smart windows

This article deals with the doping of vanadium pentaoxide with tungsten in various quantities and obtaining coatings used in the production of “smart windows” from the resulting melt. The properties of the obtained coatings were determined using X-Ray diffraction (XRD) and scanning electron microscope (SEM). The thermo-optical properties, namely solar reflectance and IR emittance, were investigated and were correlated with the doping tungsten effect in thin vanadium oxide films

Niobium(v) recovery from leaching solution of titanium wastes: kinetic studies

This paper deals with the removal of Nb content from chemically leached solutions of titanium wastes using static ion exchange technology. The chemically leached solutions contained 2 g/L of Nb. The investigations involved the optimization of process parameters, such as contact time at different concentrations of niobium at room temperature. Sorption experiments are performed to evaluate the optimum conditions at a concentration of HCl 3,0 M, 1,0 g resin dose for 3,5 h contact time at room temperature. The maximum sorption capacity reaches to 0,089 g/g. Kinetics studies were proposed for the process by pseudo-first-order, pseudo-second-order, and intraparticle diffusion models

Niobium(v) recovery from leaching solution of titanium wastes: kinetic studies

This paper deals with the removal of Nb content from chemically leached solutions of titanium wastes using static ion exchange technology. The chemically leached solutions contained 2 g/L of Nb. The investigations involved the optimization of process parameters, such as contact time at different concentrations of niobium at room temperature. Sorption experiments are performed to evaluate the optimum conditions at a concentration of HCl 3,0 M, 1,0 g resin dose for 3,5 h contact time at room temperature. The maximum sorption capacity reaches to 0,089 g/g. Kinetics studies were proposed for the process by pseudo-first-order, pseudo-second-order, and intraparticle diffusion models