Liquid purification or separation – Processes – Treatment by living organism
Patent
1996-01-25
1999-09-21
Wyse, Thomas G.
Liquid purification or separation
Processes
Treatment by living organism
210610, 210631, 210750, 210903, C02F 306
Patent
active
059549637
ABSTRACT:
A process and apparatus for biologically treating water. The inventive process preferably comprises the steps of: (a) adding a sulfur-containing oxygen scavenger to the water in an amount effective for at least reducing the amount of dissolved free oxygen contained in the water; (b) removing at least a portion of a substance from the water by exposing the water to microorganisms effective for biologically removing the substance therefrom; and (c) feeding a biostimulant to the microorganisms effective for increasing the rate at which step (b) occurs. The inventive apparatus preferably comprises a system for adding the sulfur-containing oxygen scavenger to the source water stream and a system for feeding the biostimulant to the microorganisms.
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Oklahoma Rural Water Association
Watson Lawrence R.
Wyse Thomas G.
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