Bio-mimetic oxygen separation via a hollow fiber membrane contactor with O2 carrier solutions†
Mahdi
Fathizadeh, 
‡a
Shiguang
Li
*b
‡a
Shiguang
Li
*b
Abstract
A low-cost poly(ethyleneimine)–cobalt (PEI–Co) complex solution with high O2 absorption capacity (as high as 1.5 L O2 (STP)/L solution) was developed and used in a bio-mimetic system to produce high-purity O2 from air. An oxygen concentration greater than 99.6% was demonstrated.
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