초록 ▼

The invention comprises a process for air separation using oxygen-selective sorbents with enhanced selectivity, loading capacities and oxygen uptake rates have a transition element complex in solid form supported on a high surface substrate. The transition element complex is substantially uniformly

The invention comprises a process for air separation using oxygen-selective sorbents with enhanced selectivity, loading capacities and oxygen uptake rates have a transition element complex in solid form supported on a high surface substrate. The transition element complex is substantially uniformly spaced, and includes a transition element ion accessible to an oxygen-containing gas stream during use in the separation of oxygen from an oxygen-containing gas mixture such as air.

대표청구항 ▼

[ We claim:] [1.] A process for selectively adsorbing oxygen from an oxygen containing gas stream which comprises contacting said gas stream with an oxygen-selective sorbent having an oxygen loading capacity greater than about 0.3 mmol per gram of sorbent, and with oxygen sorption uptake rates great

[ We claim:] [1.] A process for selectively adsorbing oxygen from an oxygen containing gas stream which comprises contacting said gas stream with an oxygen-selective sorbent having an oxygen loading capacity greater than about 0.3 mmol per gram of sorbent, and with oxygen sorption uptake rates greater than about 0.3 mmol oxygen per gram of sorbent per minute, said sorbent comprising:(a) a transition element complex comprising ligands complexed to a transition element ion embedded therein an axial base which is exogenous or endogenous of said ligand, said ligand, transition element ion and said axial base being selected such that said transition element complex is in the solid phase, is equilibrium oxygen-selective, and reacts reversibly with oxygen; and(b) a substrate having a nitrogen BET surface area greater than about 300 square meters per gram and less than about 500 square meters per gram comprising non-zeolitic crystalline or non-crystalline solid, with the solid transition element complex being supported thereon, said transition element complex being spaced such that the complexed transition element ion is accessible to an oxygen-containing gas stream upon contact of said gas stream with the oxygen-selective sorbent.