Dhia Aldeen M. Kassim
Abstract
The solubility of CO2 in the non-volatile compounds of n-Hexadecane,Diphenylmetnane, Diphenyl ethane, Ethyl benzene and of Nitrogen in n-Hexadecane, at temperature range 298.15-358.15 ...
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The solubility of CO2 in the non-volatile compounds of n-Hexadecane,Diphenylmetnane, Diphenyl ethane, Ethyl benzene and of Nitrogen in n-Hexadecane, at temperature range 298.15-358.15 K are measured at partialpressure of one atmosphere, Falling-film flow technique was used in the presentexperimental work.It is seen that in most cases the solubility is decreased at the temperatureincreased, though in the case of the Nitrogen/n-Hexadecane system the reverse istrue. The effect is probably related to the decrease in solvent density which occursas the temperature raises. For systems of low Solubility ,this effect tends to counterbalance the increase tendency for solute molecules to "escape" from the solvent,arising from their increase kinetic energy . In addition ,the binary interactionconstant (LAB) was calculated by fitting the mole fraction solubility of solute gasesCO2 and N2 by using Redlich-Kwong equation of state for predicting phase data.The interaction constant LAB was calculated from the following expression:= 1− ( )−0.5 ...........(1) AB AB A B L a a a
