Estimation of gas permeability of a zeolite membrane, based on a molecular simulation technique and permeation model

Article Abstract:

A new diffusion-adsorption method for estimating the permability of zeolite membranes is presented.

Adsorption

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Prediction of ideal permeability of hydrocarbons through an MFI-type zeolite membrane by a combined method using molecular simulation techniques and permeation theory

Article Abstract:

Permeability of n-alkanes (C1-C8) through a silicalite membrane was predicted systematically using a method based on molecular simulation techniques and permeation theory. These findings suggest the existence of a permeate resistance, resulting from permeation through interfaces and grain boundaries between discontinuous networks of zeolite pores.

Science & research, All Other Basic Inorganic Chemical Manufacturing, Industrial inorganic chemicals, not elsewhere classified, Zeolites, Hydrocarbons, Alkanes, Chemical properties

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Transport mechanism of aromatic vapor through silver salt carrier/polymer blend membrane and its humidity effect

Article Abstract:

The transport mechanism, electrical conductivity, water uptake and benzene vapor transports of silver-containing solid-type carrier membranes have been studied. AgBF4/Nafion blend membrane and silver form Nafion membrane are used as models for the salt/polymer blend membrane and ion-exchange type membrane. Results indicated that ionic carriers in the AgBF4/Nafion blend membrane are mobile at low humidity. The AgBF4/Nafion's water uptake is low similar to an ion-exchange Nafion membrane. The membrane selects benzene over cyclohexane at low humidity.

Ion exchange membranes, Aromatic compounds, Ionic mobility, Electron mobility, Ion-permeable membranes

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