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What is Helium Purification via Pressure Swing Adsorption about?

This study presents a high-pressure five-step pressure swing adsorption (PSA) cycle for purifying helium from He/N2 mixtures using Zeolite 5A. The experiments demonstrated that helium purity of 95% and recovery of 90% can be achieved from a feed containing 10% He, while a single-stage PSA can enrich He to 13% purity with over 90% recovery from 1% He. Numerical simulations effectively predicted the experimental outcomes, and a multi-objective optimization was conducted to enhance helium purity and recovery a

Author

a ciaa

Language

EN