Influence of multispecies biofilms of Pseudomonas aeruginosa and Desulfovibrio vulgaris on the corrosion of cast iron

被引：92

作者：

Batmanghelich, Farhad ^{[1
]}

Li, Lei ^{[2
]}

Seo, Youngwoo ^{[1
,2
]}

机构：

[1] Univ Toledo, Dept Chem Engn, Mail Stop 307,3048 Nitschke Hall, Toledo, OH 43606 USA

[2] Univ Toledo, Dept Civil & Environm Engn, Mail Stop 307,3006 Nitschke Hall, Toledo, OH 43606 USA

来源：

CORROSION SCIENCE | 2017年 / 121卷

基金：

美国国家科学基金会;

关键词：

Biofilms; Biocorrosion; Electrochemical impedance spectroscopy (EIS); Atomic force microscopy (AFM); SULFATE-REDUCING BACTERIA; EXTRACELLULAR POLYMERIC SUBSTANCES; WATER DISTRIBUTION-SYSTEM; STAINLESS-STEEL; OXIDIZING BACTERIA; MILD-STEEL; ARTIFICIAL SEAWATER; NATURAL SEAWATER; CARBON-STEEL; BEHAVIOR;

D O I：

10.1016/j.corsci.2017.03.008

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The impact of biofilm formation and bacterial solutions of Desulfovibrio vulgaris (a sulfate reducing bacteria, SRB) and Pseudomonas aeruginosa (PAO1, denitrifying bacteria) on the corrosion of cast iron was assessed and compared in this study. Corrosion experiments were separately conducted in respective culture media (in-situ) and in 3.5% NaCl (ex-situ, pH 4). The extent of cast iron corrosion diminishes in the co-presence of PAO1 and SRB compared to SRB alone. However, patchy and scanty biofilms of PAO1 did not protect the surface in 3.5% NaCl solution compared to SRB biofilms. (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：94 / 104

页数：11

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