Liquid purification or separation – With preliminary chemical manufacture
Patent
1997-04-23
1999-12-14
Nessler, Cynthia L.
Liquid purification or separation
With preliminary chemical manufacture
210760, 210764, 210759, 210220, 210199, C02F 172
Patent
active
060012471
ABSTRACT:
A device for introducing ozone uniformly into water flowing through a conduit for disinfecting the water. An ozone contacting vessel is provided and includes a downflow tube through which water is caused to flow. The downflow tube is positioned vertically within a diffusion chamber. Within the downflow tube are a plurality of layers of transversely extending porous elements that are in communication with a source of ozone to provide a relatively uniform distribution of fine ozone bubbles over the cross-sectional area of the downflow tube. The porous elements are carried by an ozone conduit that is substantially coaxially positioned within the downflow tube. Spacer members are provided to space the porous elements from the downflow tube wall, and the entire ozone distributor assembly can be easily removed form the downflow tube for servicing the porous elements and can then be easily reinstalled thereafter. The downflow tube can be a straight tube or it can be J-shaped, to convey ozonated water into downstream ozone reaction cells to permit oxidation or disinfection of the water being treated.
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Mangels Alfred J.
Nessler Cynthia L.
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