Abstract
AbstractChabazite zeolite membranes were synthesized by the secondary growth method. Chabazite powders were obtained by decomposition of zeolite Y and subsequent ion exchange to produce a fully exchanged potassium chabazite. The synthesized powders were used as seeds for membrane synthesis. Chabazite membranes were prepared via hydrothermal synthesis on porous α‐alumina disks as supports. The effects of synthesis parameters including synthesis temperature and synthesis time on the chabazite zeolite membranes were investigated. The synthesized powders and membranes were characterized and the separation performance of the synthesized membranes were evaluated by separation of N2/SF6 and O2/SF6 gas mixtures. Gas permeation results are discussed in terms of optimum synthesis temperature and time.
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