Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – With means applying electromagnetic wave energy or...
Patent
1993-04-20
1996-08-27
Walsh, Donald P.
Chemical apparatus and process disinfecting, deodorizing, preser
Chemical reactor
With means applying electromagnetic wave energy or...
42218607, 422907, B01J 1908
Patent
active
055498744
ABSTRACT:
A discharge reactor that generates silent discharge and/or creeping discharge between dielectric and high voltage electrode and/or grounded electrode, said dielectric being located between high voltage electrode and grounded electrode, and which generates clean ozone in the discharge space 1 as it passes through said discharge space 1 or as it is held within said discharge space 1, which discharge reactor is characterized in that the dielectric is made of highly purified quartz glass (SiO.sub.2) or single-crystal sapphire which is a highly purified crystallized aluminium oxide or high-purity alumina ceramics which is the firing of highly purified aluminum oxide. Further, in order to obtain cleaner and highly concentration ozone, at least the electrode or electrodes in the area of the discharge space which is to be exposed to discharge are made of a high-purity aluminum material and at least the area of the discharge space which is to be exposed to discharge is further coated with an anodic oxidation film.
REFERENCES:
patent: 4945290 (1990-07-01), Eliasson et al.
patent: 4970056 (1990-11-01), Wooten et al.
patent: 5200670 (1993-04-01), Scott
patent: 5296122 (1994-03-01), Katsube et al.
patent: 5346578 (1994-09-01), Benzing et al.
"Kagaku Binran (Chemical Handbook)--Ohyohen (Application)", pp. 1155-1157, compiled by the Chemical Society of Japan; and an English translation of excerpts.
Chinese National Standard No. 13016-T2047, Entitled Ozonizer (Small-Sized Silent Discharge Type) with translation thereof.
European Search Report for EP-93106543, dated Aug. 8, 1994.
EPO Database Publication AN 90-339271 & JP-A-2 245236.
Harada Minoru
Kamiya Ichiro
Murakami Takeshi
Nishioka Yukiko
Shinjo Ryoichi
Ebara Corporation
Jenkins Daniel
Walsh Donald P.
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