Structure and thermodynamics of asymmetric electrolytes adsorbed in disordered electroneutral charged matrices from replica Ornstein-Zernike equations

Article Abstract:

The replica Ornstein-Zernike equations were calculated for size and/or charge asymmetric electrolytes adsorbed in disordered electroneutral matrices of charged species. Renormalization of the initial equations was made to obtain the numerical solution of the replica Ornstein-Zernike equations. Results revealed a pair of distribution functions and thermodynamic properties such as the excess internal energy and isothermal compressibility.

Electrolytes, Matrices, Matrices (Mathematics)

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Lennard-Jones fluid mixtures in contact with semipermeable membranes. A density functional approach

Article Abstract:

A study was conducted to analyze the structure of a two-component Lennard-Jones fluid in contact with a selectively permeable membrane. The density functional approach was utilized to carry out the analysis. Results indicated that at low temperatures, the structure of the permeable fluid component close to the membrane supported similarities to the structure of a single-component adlayer at a weak adsorbing solid surface.

Usage, Density functionals, Density functional theory, Fluids, Membranes (Technology)

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Phase behavior of associating two-and four-bonding sites Lennard-Jones fluid in contact with solid surfaces

Article Abstract:

The adsorption of associating fluids on solid substrates, in the framework of the models with two and four bonding sites and with nonassociative Lennard-Jones attraction between fluid particles is studied. The calculations reveals that the details of the surface phase behavior of strongly associating fluids differ from the phase behavior for weakly associating fluids and of adsorbed, simple nonassociating fluid.

Science & research, Fluid dynamics

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