Synthesis and performance of STT zeolite membranes for He/N2 and He/CH4 separation

Separation and Purification Technology(2022)

Cited 8|Views4
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Abstract
•STT zeolite membrane is among the best zeolite membranes for He/N2 separation.•7MR channels dominate transport pathway once synthesis period beyond 2 days.•The low He content could be increased by 18 times.•Membrane performance was resistant to C2H6 for long-term operation (>450 h)
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Key words
Zeolite membranes,He extraction,Natural gas,Gas separation
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