Measurement of mass transfer coefficients for the evaporation of liquids by reversed-flow gas chromatography

Establishment of Physicochemical Measurements of Water Polluting Substances via Flow Perturbation Gas Chromatography

“…The conclusion can be drawn from this table is that the K G values increased with the increase of the temperature in accordance with the Arrhenius equation (Karaiskakis et al 1986), as depicted in Figure 4, when the K G values are plotted against reciprocal of their temperatures. From the Arrhenius equation,…”

“…Previous works (Karaiskakis et al 1986;Khalid et al 2012) have calculated the activation energy, E a of the pure alcohols and they found that the values were smaller than 40 kJ mol -1 (Katsanos 1988). This was expected since K G values were rate coefficients for evaporation, which is a physical phenomenon (Karaiskakis et al 1986).…”

“…Previous works (Karaiskakis et al 1986;Khalid et al 2012) have calculated the activation energy, E a of the pure alcohols and they found that the values were smaller than 40 kJ mol -1 (Katsanos 1988). This was expected since K G values were rate coefficients for evaporation, which is a physical phenomenon (Karaiskakis et al 1986). Besides, we obtained a linear Arrhenius plot with negative slope, which portrays that the activation energy, E a of the selected alcohols changed with temperature (Khalid et al 2012) and the type of alcohols.…”

Establishment of Physicochemical Measurements of Water Polluting Substances via Flow Perturbation Gas Chromatography

“…The conclusion can be drawn from this table is that the K G values increased with the increase of the temperature in accordance with the Arrhenius equation (Karaiskakis et al 1986), as depicted in Figure 4, when the K G values are plotted against reciprocal of their temperatures. From the Arrhenius equation,…”

“…Previous works (Karaiskakis et al 1986;Khalid et al 2012) have calculated the activation energy, E a of the pure alcohols and they found that the values were smaller than 40 kJ mol -1 (Katsanos 1988). This was expected since K G values were rate coefficients for evaporation, which is a physical phenomenon (Karaiskakis et al 1986).…”

“…Previous works (Karaiskakis et al 1986;Khalid et al 2012) have calculated the activation energy, E a of the pure alcohols and they found that the values were smaller than 40 kJ mol -1 (Katsanos 1988). This was expected since K G values were rate coefficients for evaporation, which is a physical phenomenon (Karaiskakis et al 1986). Besides, we obtained a linear Arrhenius plot with negative slope, which portrays that the activation energy, E a of the selected alcohols changed with temperature (Khalid et al 2012) and the type of alcohols.…”

Study of the evaporation of pollutant liquids under the influence of surfactants

“…The evaporation of pure liquids as well as of liquid mixtures has been studied in the past utilizing RF‐GC 9–12. However, the evaporation in the presence of surfactants is a more complex process than that of a simple liquid mixture.…”

Parameter Estimation in a PO3G Model with Temperature Effects

“…Similarly, equilibrium constants are expressed using Mass‐transfer coefficients are also assumed to have Arrhenius behavior where x = W , AD , L (1), …, L (5), C (2), …, C (6) because several studies have shown that the effects of temperature on mass‐transfer coefficients can be described effectively using Arrhenius equations. [ 29–33 ]…”

Establishment of Physicochemical Measurements of Water Polluting Substances via Flow Perturbation Gas Chromatography

“…The conclusion can be drawn from this table is that the K G values increased with the increase of the temperature in accordance with the Arrhenius equation (Karaiskakis et al 1986), as depicted in Figure 4, when the K G values are plotted against reciprocal of their temperatures. From the Arrhenius equation,…”

“…Previous works (Karaiskakis et al 1986;Khalid et al 2012) have calculated the activation energy, E a of the pure alcohols and they found that the values were smaller than 40 kJ mol -1 (Katsanos 1988). This was expected since K G values were rate coefficients for evaporation, which is a physical phenomenon (Karaiskakis et al 1986).…”

“…Previous works (Karaiskakis et al 1986;Khalid et al 2012) have calculated the activation energy, E a of the pure alcohols and they found that the values were smaller than 40 kJ mol -1 (Katsanos 1988). This was expected since K G values were rate coefficients for evaporation, which is a physical phenomenon (Karaiskakis et al 1986). Besides, we obtained a linear Arrhenius plot with negative slope, which portrays that the activation energy, E a of the selected alcohols changed with temperature (Khalid et al 2012) and the type of alcohols.…”

Study of the evaporation of pollutant liquids under the influence of surfactants

“…The evaporation of pure liquids as well as of liquid mixtures has been studied in the past utilizing RF‐GC 9–12. However, the evaporation in the presence of surfactants is a more complex process than that of a simple liquid mixture.…”

Parameter Estimation in a PO3G Model with Temperature Effects

“…Similarly, equilibrium constants are expressed using Mass‐transfer coefficients are also assumed to have Arrhenius behavior where x = W , AD , L (1), …, L (5), C (2), …, C (6) because several studies have shown that the effects of temperature on mass‐transfer coefficients can be described effectively using Arrhenius equations. [ 29–33 ]…”

Establishment of Physicochemical Measurements of Water Polluting Substances via Flow Perturbation Gas Chromatography

“…The conclusion can be drawn from this table is that the K G values increased with the increase of the temperature in accordance with the Arrhenius equation (Karaiskakis et al 1986), as depicted in Figure 4, when the K G values are plotted against reciprocal of their temperatures. From the Arrhenius equation,…”

“…Previous works (Karaiskakis et al 1986;Khalid et al 2012) have calculated the activation energy, E a of the pure alcohols and they found that the values were smaller than 40 kJ mol -1 (Katsanos 1988). This was expected since K G values were rate coefficients for evaporation, which is a physical phenomenon (Karaiskakis et al 1986).…”

“…Previous works (Karaiskakis et al 1986;Khalid et al 2012) have calculated the activation energy, E a of the pure alcohols and they found that the values were smaller than 40 kJ mol -1 (Katsanos 1988). This was expected since K G values were rate coefficients for evaporation, which is a physical phenomenon (Karaiskakis et al 1986). Besides, we obtained a linear Arrhenius plot with negative slope, which portrays that the activation energy, E a of the selected alcohols changed with temperature (Khalid et al 2012) and the type of alcohols.…”

Study of the evaporation of pollutant liquids under the influence of surfactants

“…The evaporation of pure liquids as well as of liquid mixtures has been studied in the past utilizing RF‐GC 9–12. However, the evaporation in the presence of surfactants is a more complex process than that of a simple liquid mixture.…”

Parameter Estimation in a PO3G Model with Temperature Effects

“…Similarly, equilibrium constants are expressed using Mass‐transfer coefficients are also assumed to have Arrhenius behavior where x = W , AD , L (1), …, L (5), C (2), …, C (6) because several studies have shown that the effects of temperature on mass‐transfer coefficients can be described effectively using Arrhenius equations. [ 29–33 ]…”