Liquid purification or separation – Processes – Chemical treatment
Reexamination Certificate
2005-07-26
2005-07-26
Hopkins, Robert A. (Department: 1724)
Liquid purification or separation
Processes
Chemical treatment
C210S220000, C210S739000, C210S143000
Reexamination Certificate
active
06921488
ABSTRACT:
There is described a process for the treatment of water to prevent the survival of unwanted organisms in said water. The process is based on the supply of gas into the water at pressures greater than 1 atmosphere, while ensuring that the mass trasnport of gas into the water is greater that the mass loss across the air-water (surface) interface, i.e. such that a gas super-saturated condition is established. Further, there is described an apparatus or system for the treatment of a body of water, i.e. to prevent the survival of organism in said water. A preferable embodiment comprises a compressor which delivers a compressed gas to said water system in an amount sufficient to establish a supersaturated condition in said body of water.
REFERENCES:
patent: 5190670 (1993-03-01), Stearns
patent: 5932112 (1999-08-01), Browning, Jr.
patent: 2003/0205135 (2003-11-01), McNulty
patent: 2003/0205136 (2003-11-01), McNulty
patent: 10230247 (1998-09-01), None
Hopkins Robert A.
MetaFil AS
Rothwell Figg Ernst & Manbeck
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