C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
C02F 1/78 (2006.01) B01D 53/04 (2006.01) B01D 53/047 (2006.01)
Patent
CA 2089969
92B102/PG ABSTRACT Oxygen produced in a PSA plant 2 comprising two pressure vessels 8, 10 each containing a bed of adsorbent, is ozonised by means of an ozoniser 4 and the ozonised oxygen contacted with a liquid to be treated in a contactor 6 thereby to form an ozonised liquid stream and a waste gas stream rich in oxygen. The waste gas stream is returned via a line 34 to each pressure vessel 8, 10 of the PSA plant 2 during a regeneration step of the adsorbent in the pressure vessel and subsequent to its evacuation by vacuum pump 20.
Coates John R.
Garrett Michael E.
Gowling Lafleur Henderson Llp
The Boc Group Plc
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