Gas separation – Means within gas stream for conducting concentrate to collector
Patent
1990-06-13
1991-10-01
Spitzer, Robert
Gas separation
Means within gas stream for conducting concentrate to collector
55 68, 55158, 110101R, B01D 5322, B01D 7132
Patent
active
050530593
ABSTRACT:
An air intake system for a residential combustion furnace is disclosed. The air intake system comprises a membrane formed from an amorphous polymer of perfluoro-2,2-dimethyl-1,3-dioxole, the membrane exhibiting an oxygen
itrogen selectivity of at least 1.4:1. The permeate section of the membrane is adapted to be in fluid flow communication with a combustion zone of the residential combustion furnace. The membrane preferably has an oxygen flux in excess of 100 Barrers, especially in excess of 500 Barrers. The air intake system provides oxygen-enriched air for the furnace, to make the furnace more efficient.
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Membrane Oxygen Enrichment by S. G. Kimura and W. R. Browall, Journal of Membranes Science, Elsevier Science Publishers, B. V. Amsderdam-Printed in the Netherlands.
Du Pont Canada Inc.
Evans Craig H.
Spitzer Robert
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