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Abstract

A reactive oxygen species formulation is provided by preparing a peracid mixture in an activated pH range including mixing alkaline hydrogen peroxide solution with acyl donor in molar proportions with an excess of the acyl donor to hydrogen peroxide. The hydrogen peroxide and acyl donor are reacted to produce a peracid mixture comprising no more than a small quantity of hydrogen peroxide, and pH is adjusted as needed to initially prepare the formulation in the activated pH range. Water treatment with the reactive oxygen species formulation facilitates formation and separation of solids removable during clarification, and which may be followed by a second treatment with the reactive oxygen species formulation for antimicrobial treatment of clarified water.

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