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US 2014/0110347 A1Published application
Use of oxidizing and non-oxidizing biocides for control of bacteria tolerant to stabilized-oxidant treatment
AssigneeEcolab USA Inc.
InventorsLaura E. Rice, Elisa Luth
Life of this patent
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Abstract
The invention provides for treatment strategies that prevent or control the growth of organisms that degrade oxidant stabilizers in oxidant stabilized biocides. This allows stabilized halogen programs to perform at their intended level and prevents the need for increased halogen usage in an attempt to maintain control of these microbial populations and reduce the halogen-demand created by their enzyme byproducts.
Claims12
A method of addressing a microorganism infestation in a process water system, the method comprising the steps of:
- introducing a biocidal composition comprising an oxidant and an oxidant stabilizer into the process water system, the stabilizer allowing the oxidant to persist as a biocide despite the high demand for the oxidant in the system,
- detecting the presence of an organism capable of degrading the oxidant stabilizer,
- if so detected, introducing a composition of matter capable of neutralizing the degrading organism without otherwise impairing the effectiveness of the biocidal composition.
Dependencies are inferred from the claim text.