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Performic Acid for MIC Prevention in Treated Water Systems: Balancing Biocidal Efficacy Against Oxidizer Induced Corrosion

The use of oxidizers as biocides in the oil and gas industry has been increasing in recent years. Specifically peroxy acids (or peracids) have been shown as efficient cost-effective biocides across a range of water treatment applications due in part to their strong oxidation potential. While this trait makes peracids very effective at controlling MIC it also increases the risk of corrosion from either the parent acid or oxygen from the oxidizer when not properly dosed. Performic acid in particular has significant potential for both biocidal performance and dosage-related corrosion due to it being a stronger oxidizer than even peracetic acid. In this paper we will present a study that weighs the biocidal efficacy of performic acid against its impact on metal corrosion. These results will help define a program for preventing microbial influenced corrosion in water treatment systems by performic acid.

Product Number: 51319-13463-SG
Author: Conor Pierce
Publication Date: 2019
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