Treating materials with ozone

Treating materials with ozone

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...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: COATES, JOHN R, GARRETT, MICHAEL E
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung: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.