Development and demonstration of a spiral-wound thin-film composite membrane system for the economical production of oxygen-enriched air, Phases I, II and III. Final report, October 1, 1979-December 31, 1982
A spiral-wound membrane oxygen-enrichment system, designed in standard unit form, was assembled using membrane of current technology but in scaled-up dimensions. The system was operated on a radiant-tube annealing furnace to demonstrate that membrane oxygen enrichment is feasible in commercially interesting quantities. In a parallel development, the membrane was improved by decreasing the thickness of the separation barrier and thereby increasing the flux of oxygen-enriched air. The increase in gas flux significantly lowered the cost of oxygen in industrial quantities. In a similar development the spiral-wound element construction was improved by increasing the element diameter which increases membrane area and reduces capital costs, and by reducing internal pressure drops which increase element efficiency. The current oxygen-enrichment system was evaluated and recommendations for an improved system were made. Finally, novel polymers for use in a membrane oxygen-enrichment system will be investigated. Candidate polymers will be evaluated in terms of several criteria including their film forming characteristics, their gas transport properties, their thermal stability and their compatibility with thin-film composite membrane technology.
- Research Organization:
- UOP, Inc., San Diego, CA (USA). Fluid Systems Div.
- DOE Contract Number:
- AC01-79CS40294
- OSTI ID:
- 5489802
- Report Number(s):
- DOE/CS/40294-T1; ON: DE84002918
- Resource Relation:
- Other Information: Portions are illegible in microfiche products
- Country of Publication:
- United States
- Language:
- English
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AIR
OXYGEN ENRICHMENT
ANNEALING
FURNACES
MEMBRANES
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PRESSURE DROP
SEPARATION PROCESSES
ENRICHMENT
FLUIDS
GASES
HEAT TREATMENTS
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