Effect Nano of Zeolite ۴A Loading on Polymer Membrane to Increase Permeability and Selectivity CO۲/N۲

The separation of CO۲ gas is very important to meet environmental standards, this research aims to prepare a membrane that improves the selectivity of CO۲ over N۲ gas. Polymer (polyether-block amide) has properties that absorb CO۲ well. Nano zeolite ۴A has tiny pores proportional to the kinetic diameter of CO۲. This mineral particle can act as a molecular sieve in the membrane and improve thermal and mechanical stability. By these two materials, Pebax/۴A membrane was prepared. The structure of the membranes was evaluated by FESEM, BET, FT-IR, and mechanical strength analyses, and the permeability, selectivity, diffusion coefficient, and solubility coefficient of carbon dioxide were calculated in them. Finally, it was found that by adding ۱۰% by weight of ۴A, the selectivity of nanocomposite improved by %۲۸ ​​compared to pure polymer.

کلیدواژه ها:

CO۲ separation ، Membrane ، Nanocomposite ، Pebax ، ۴A Zeolite