Microwave Assisted Synthesis of Nano Zeolite Seed for Synthesis Membrane and Investigation of its Permeation Properties for H۲ Separation

MFI-type zeolite membranes (ZSM-۵) were prepared on α-alumina tubular supports and tested for separation of H۲/CO mixtures. The effect of pressure and temperature on H۲ and CO flows and selectivity was investigated. The best results in this work were obtained with a ZSM-۵ membrane prepared over a porous α-alumina tube seeded with zeolite nanocrystals synthesized with microwave technique. In this case the H۲ permeance was obtained ۲.۸ × ۱۰-۶  mol/ (m۲.s.Pa) with a H۲/CO ideal selectivity of ۴.۹ at ۳۷۳ K. The permeation results of four gas (H۲, CO, N۲, CH۴) on the synthesized membrane were also investigated.

کلیدواژه ها:

Zeolite Membrane ، ZSM-۵ ، Nano crystalline ، Microwave heating ، Gas permeation ، H۲/CO separation