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OwnerBruno Bachhofer, Anton Locher +2inventors
InventorsBruno Bachhofer, Anton Locher, Gerhard Skirde, Hansjorg Quistorff
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A bath water treating system in which even highly resistant germs may be destroyed by treating the bath water with ozone and a halogen compound such as bromine or hydrobromic acid to establish a redox potential in excess of 600 mV. The bath water is recycled through a quartz type filter loaded with a composite filtering medium. The filtering medium comprises two superposed layers, a lower layer consisting of a mixture of filter gravel and mineralized charcoal, and an upper layer of activated charcoal. A halogen or halogen compound is absorbed in the charcoal layer. An ozone generator is mounted within the filter housing. The bath-tub assembly comprises a cabinet in which are mounted a bath-tub, a filtering and degerminating unit and the respective accessories and controls. The ozonizer is removably mounted within the filter housing and includes a mixing chamber and check valves.
A process for purifying bath water containing the organism bact. pseudomonas pyocanea comprising charging the water to be purified with ozone produced by an ozone generator and then filtering the ozone containing bath water with a first filter layer of fine grain activated charcoal and then filtering the thus filtered water with a second filter of a mixture of filter gravel and mineralized charcoal, both the first and second filters having been charged with bromine or hydrobromic acid, said bath water, before purification, being used as a coolant for said ozone generator.
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