Ulrich REIMANN-PHILIPP - Norman OK, US Wolfgang Friedrich ZWANZIGER - Oklahoma City OK, US Martin HOLLAND - Norman OK, US
International Classification:
C02F 1/00 A61L 2/00 G01N 1/10
US Classification:
422 3, 73 6456
Abstract:
A method for determining the relative level of contamination of a component in a water treatment infrastructure is disclosed. The method includes the steps of at least partially filling the component with water; isolating the component from the remainder of the infrastructure; taking a control water sample from the component at a point in time Tand determining the quality of the water sample at T; storing the control water sample for a preselected test period Tand in a container which will not affect the quality of the water sample; taking a second water sample from the component at a point in time T+T; determining the quality of the second water sample and the quality of the control water sample at T+Tand calculating the water quality decrease in the control sample and the second sample during the test period T. The relative level of contamination of the component is calculated by subtracting any water quality decrease in the control sample from the water quality decrease in the second sample.
Method And Composition For Removing Contamination From Surfaces In Contact With Water
A composition and method for the removal of biological fouling from wetted surfaces intermittently or continuously in contact with water is disclosed. The method includes the steps of preparing a cleaning composition of basic pH from a strong base and an active oxygen donor component, applying the composition to the surface to be cleaned, and after a selected residence time, removing any unreacted cleaning composition and all removed fouling by rinsing or flushing with water.
Process For In-Site Cleaning Of Drinking Water Filtration Media
Ulrich Reimann-Philipp - Norman OK, US Wolfgang Zwanziger - Oklahoma City OK, US Jeffrey Schulhoff - Oklahoma City OK, US
International Classification:
B01D 24/46
US Classification:
210793000, 210792000, 210796000, 210275000
Abstract:
The present invention provides a process to clean said water filtration media in a filtration bed. The process includes applying a granular cleaner to the water filtration media and applying a catalyst to the water filtration media. This causes a chemical reaction between the granular cleaner, catalyst and water filtration media resulting in the cleaning of the water filtration media. The residue granular cleaner and catalyst, along with suspended and dissolved contamination from the water filtration media, are rinsed by the application of water.
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