Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge
Patent
1977-08-22
1979-02-20
Edmundson, F.C.
Chemistry: electrical and wave energy
Processes and products
Electrostatic field or electrical discharge
C01B 1311, B01K 100
Patent
active
041406087
ABSTRACT:
My invention relates to the use of an inert dielectric solvent liquid of fully halogenated fluorocarbon as the solvent for dissolving under pressure air and oxygen; which liquid acts as the dielectric in an ozone generator; and retains the ozone produced in the corona of the generator in solution in the liquid dielectric, until the pressure is reduced.
For commercial applications, ozone is generated at the point of use by passing oxygen, or oxygen containing gas such as air, through a high-energy electrical discharge called Corona.
The Corona discharge principle is based on a high voltage alternating current between two electrodes which are separated by a layer of dielectric material and a narrow gap through which the oxygen bearing gas is passed. The dielectric is necessary to stabilize the discharge over the entire electrode area so that it does not localize as an intense arc. In the present corona generation of ozone, a substantial fraction of the input energy is converted to heat, which must be removed by heat exchanger.
My invention replaces the dielectric of solid materials; with a dielectric liquid which not only acts as the dielectric, but when compounds such as fluorocarbons are used the oxygen is carried through the corona as dissolved oxygen in solution in the dielectric, which also absorbes the excess heat produced, thus cooling the generator. The generator is operated at a superatmospheric pressure, which permits automatic stripping of the ozone by reducing the pressure following the generator.
REFERENCES:
patent: 1074106 (1913-09-01), Dumars
patent: 2992540 (1961-07-01), Grosse et al.
patent: 3186930 (1965-06-01), Cook
patent: 3342721 (1967-09-01), Dibelius et al.
patent: 3766051 (1973-10-01), Bollyky
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