Process for supplying nitrogen from an on-site plant

Details Process for supplying nitrogen from an on-site plant Process for supplying nitrogen from an on-site plant

1991-10-24

1993-07-13

Spitzer, Robert

Gas separation

Means within gas stream for conducting concentrate to collector

55 25, 55 68, 55158, 55387, B01D 5322, B01D 5304

Patent

active

052269310

ABSTRACT:
A process is provided for supplying nitrogen from an on-site air separation plant providing at least oxygen as a product, which entails feeding an air feed stream to an instrument-air compressor which is oversized relative to compressed air needed to feed an instrument controlling the plant, feeding at least a portion of the compressed air stream from the instrument-air compressor to a nitrogen membrane separator, thereby providing a stream of nitrogen product, and venting an oxygen-enriched air stream from the membrane.

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