Treating materials with ozone

Details Treating materials with ozone Treating materials with ozone

1993-03-31

1996-04-16

McCarthy, Neil

Liquid purification or separation

Processes

Chemical treatment

34332, 95 96, 95130, 95138, C02F 178

Patent

active

055079571

ABSTRACT:
A method of treating a material with ozone including the steps of passing oxygen rich gas from a PSA plant 2 through an ozonizer 4 and then passing the ozonized oxygen thus formed directly back to the PSA plant where the ozone is adsorbed in a bed of silica gel contained within a vessel. During the desorption step nitrogen adsorbed in a bed of zeolite also located in the vessel desorbs the ozone from the bed of silica gel and a nitrogen-ozone gas leaves the PSA plant via a line in the feed end. The material is treated with the nitrogen-ozone gas.

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