Liquid purification or separation – Processes – Utilizing electrical or wave energy directly applied to...
Patent
1991-05-13
1993-01-19
Langel, Wayne
Liquid purification or separation
Processes
Utilizing electrical or wave energy directly applied to...
210192, 210760, 422173, 422177, 423219, C02F 178
Patent
active
051805022
ABSTRACT:
The present invention is directed toward an electrolytic ozonier for treating ozone-containing waste gas and a method of treating ozone-containing waste gas using the ozonier, wherein the method includes evolving oxygen and ozone in an anode compartment of an electrolytic cell by electrolysis of water while evolving hydrogen in a cathode compartment; directing the evolved hydrogen into a waste gas treating section that contains a waste gas decomposition catalyst so as to convert the hydrogen to a harmless form by means of the catalyst; bringing the oxygen and ozone into contact with a medium to be treated in an ozone contactor so as to treat the medium; and subsequently directing waste gas containing oxygen and ozone produced as a result of treatment of the medium into the waste gas treating section where they are brought into either direct or indirect contact with the catalyst so that the ozone in the waste gas is converted into a harmless form.
REFERENCES:
patent: 4836929 (1989-06-01), Baumann et al.
Nakamatsu Shuji
Nishiki Yoshinori
Sawamoto Isao
Shimamune Takayuki
Langel Wayne
Permelec Electrode Ltd.
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