Microbially influenced corrosion of galvanized steel pipes in aerobic water systems
To investigate the role of heterotrophic bacteria in the corrosion of galvanized steel in the presence of water. Samples were taken from corroding galvanized steel pipes conveying water for specialist applications, and heterotrophic bacteria were isolated and cultured. The majority of bacteria were...
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description | To investigate the role of heterotrophic bacteria in the corrosion of galvanized steel in the presence of water. Samples were taken from corroding galvanized steel pipes conveying water for specialist applications, and heterotrophic bacteria were isolated and cultured. The majority of bacteria were Gram-negative aerobes and included Pseudomonas sp., Bacillus pumilus, Afipia spp. and Blastobacter denitrificans/Bradyrhizobium japonicum. Zinc tolerance was assessed through growth and zinc disc diffusion experiments. In general, zinc negatively influenced growth rates. An unidentified yeast also isolated from the system demonstrated a high tolerance to zinc at concentrations up to 4 g l⁻¹. Coupon experiments were performed to assess corrosion by the bacteria on galvanized steel and steel coupons. The majority of isolates as pure culture biofilms (69%) accelerated corrosion of galvanized coupons, assessed as zinc release, relative to sterile control coupons (P < 0·05). Pure culture biofilms did not increase the corrosion of steel, with four isolates demonstrating protective effects. Pure culture biofilms of heterotrophic bacteria isolated from a corroding galvanized pipe system were found to accelerate the corrosion of galvanized steel coupons. Microbially influenced corrosion is a potential contributor to sporadically occurring failures in galvanized steel systems containing water. Management strategies should consider microbial control as a means for corrosion prevention in these systems. |
doi_str_mv | 10.1111/j.1365-2672.2009.04650.x |
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Samples were taken from corroding galvanized steel pipes conveying water for specialist applications, and heterotrophic bacteria were isolated and cultured. The majority of bacteria were Gram-negative aerobes and included Pseudomonas sp., Bacillus pumilus, Afipia spp. and Blastobacter denitrificans/Bradyrhizobium japonicum. Zinc tolerance was assessed through growth and zinc disc diffusion experiments. In general, zinc negatively influenced growth rates. An unidentified yeast also isolated from the system demonstrated a high tolerance to zinc at concentrations up to 4 g l⁻¹. Coupon experiments were performed to assess corrosion by the bacteria on galvanized steel and steel coupons. The majority of isolates as pure culture biofilms (69%) accelerated corrosion of galvanized coupons, assessed as zinc release, relative to sterile control coupons (P < 0·05). Pure culture biofilms did not increase the corrosion of steel, with four isolates demonstrating protective effects. Pure culture biofilms of heterotrophic bacteria isolated from a corroding galvanized pipe system were found to accelerate the corrosion of galvanized steel coupons. Microbially influenced corrosion is a potential contributor to sporadically occurring failures in galvanized steel systems containing water. Management strategies should consider microbial control as a means for corrosion prevention in these systems.</description><identifier>ISSN: 1364-5072</identifier><identifier>EISSN: 1365-2672</identifier><identifier>DOI: 10.1111/j.1365-2672.2009.04650.x</identifier><identifier>PMID: 20070443</identifier><language>eng</language><publisher>Oxford, UK: Oxford, UK : Blackwell Publishing Ltd</publisher><subject>Aerobes ; Bacillus pumilus ; Bacteria ; Bacteria - genetics ; Bacteria - growth & development ; Bacteria - isolation & purification ; Bacterial corrosion ; Biofilms ; Biological and medical sciences ; Blastobacter ; Corrosion ; Corrosion effects ; Corrosion potential ; Corrosion prevention ; Corrosion tests ; Diffusion rate ; Fundamental and applied biological sciences. Psychology ; Galvanized steel ; galvanized steel pipe ; Galvanized steels ; Galvanizing ; Growth rate ; Heterotrophic bacteria ; Heterotrophic Processes ; microbially influenced corrosion ; Microbiology ; Pipes ; Pollution tolerance ; Pseudomonas ; Pure culture ; RNA, Ribosomal, 16S - genetics ; Steel ; Steel - chemistry ; Steel pipes ; Water management ; Water Microbiology ; Water Supply ; Yeasts ; Zinc ; Zinc - chemistry</subject><ispartof>Journal of applied microbiology, 2010-07, Vol.109 (1), p.239-247</ispartof><rights>2010 The Authors. Journal compilation © 2010 The Society for Applied Microbiology</rights><rights>2015 INIST-CNRS</rights><rights>2010 The Authors. Journal compilation © 2010 The Society for Applied Microbiology.</rights><rights>Copyright Wiley Subscription Services, Inc. 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Samples were taken from corroding galvanized steel pipes conveying water for specialist applications, and heterotrophic bacteria were isolated and cultured. The majority of bacteria were Gram-negative aerobes and included Pseudomonas sp., Bacillus pumilus, Afipia spp. and Blastobacter denitrificans/Bradyrhizobium japonicum. Zinc tolerance was assessed through growth and zinc disc diffusion experiments. In general, zinc negatively influenced growth rates. An unidentified yeast also isolated from the system demonstrated a high tolerance to zinc at concentrations up to 4 g l⁻¹. Coupon experiments were performed to assess corrosion by the bacteria on galvanized steel and steel coupons. The majority of isolates as pure culture biofilms (69%) accelerated corrosion of galvanized coupons, assessed as zinc release, relative to sterile control coupons (P < 0·05). Pure culture biofilms did not increase the corrosion of steel, with four isolates demonstrating protective effects. Pure culture biofilms of heterotrophic bacteria isolated from a corroding galvanized pipe system were found to accelerate the corrosion of galvanized steel coupons. Microbially influenced corrosion is a potential contributor to sporadically occurring failures in galvanized steel systems containing water. Management strategies should consider microbial control as a means for corrosion prevention in these systems.</description><subject>Aerobes</subject><subject>Bacillus pumilus</subject><subject>Bacteria</subject><subject>Bacteria - genetics</subject><subject>Bacteria - growth & development</subject><subject>Bacteria - isolation & purification</subject><subject>Bacterial corrosion</subject><subject>Biofilms</subject><subject>Biological and medical sciences</subject><subject>Blastobacter</subject><subject>Corrosion</subject><subject>Corrosion effects</subject><subject>Corrosion potential</subject><subject>Corrosion prevention</subject><subject>Corrosion tests</subject><subject>Diffusion rate</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Galvanized steel</subject><subject>galvanized steel pipe</subject><subject>Galvanized steels</subject><subject>Galvanizing</subject><subject>Growth rate</subject><subject>Heterotrophic bacteria</subject><subject>Heterotrophic Processes</subject><subject>microbially influenced corrosion</subject><subject>Microbiology</subject><subject>Pipes</subject><subject>Pollution tolerance</subject><subject>Pseudomonas</subject><subject>Pure culture</subject><subject>RNA, Ribosomal, 16S - genetics</subject><subject>Steel</subject><subject>Steel - chemistry</subject><subject>Steel pipes</subject><subject>Water management</subject><subject>Water Microbiology</subject><subject>Water Supply</subject><subject>Yeasts</subject><subject>Zinc</subject><subject>Zinc - chemistry</subject><issn>1364-5072</issn><issn>1365-2672</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkk1v1DAQhi0EoqXwF8ASQpwS_Bk7Bw5VxadacSg9WxPHrrzyxou9abv8epzuUiQu4ItHnuedsec1QpiSltb1btVS3smGdYq1jJC-JaKTpL17hI4fEo_vY9FIotgRelbKihDKieyeoqOqUUQIfowuL4LNaQgQ4w6HycfZTdaN2KacUwlpwsnja4g3MIWf9bxsnYt4EzauVByDW8QW38LWZVx2Nb0uz9ETD7G4F4f9BF19_PD97HNz_u3Tl7PT88YKzUjDKAXes44rOgyeqoErZT2BnvWcc6E1jEwRQoBaZ9U4StrbAQjTPThBwPMT9HZfd5PTj9mVrVmHYl2MMLk0F6OkplzW0fybFKJjUitaydd_kas056k-wzDJmRRcUl4pvafq7ErJzptNDmvIO0OJWRwyK7MYYRYjzOKQuXfI3FXpy0ODeVi78UH425IKvDkAUCxEn2GyofzhmNaiZ6xy7_fcbYhu998XMF9PL5ao6l_t9R6Sgetce1xdsuWLUC15VfBfb-KzxQ</recordid><startdate>201007</startdate><enddate>201007</enddate><creator>Bolton, N</creator><creator>Critchley, M</creator><creator>Fabien, R</creator><creator>Cromar, N</creator><creator>Fallowfield, H</creator><general>Oxford, UK : Blackwell Publishing Ltd</general><general>Blackwell Publishing Ltd</general><general>Blackwell</general><general>Oxford University Press</general><scope>FBQ</scope><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QL</scope><scope>7QO</scope><scope>7T7</scope><scope>7TM</scope><scope>7U7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>M7N</scope><scope>P64</scope><scope>RC3</scope><scope>7X8</scope></search><sort><creationdate>201007</creationdate><title>Microbially influenced corrosion of galvanized steel pipes in aerobic water systems</title><author>Bolton, N ; Critchley, M ; Fabien, R ; Cromar, N ; Fallowfield, H</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4820-211a3926371bbf17b377cf0a929333488ad27000a1cec7dd519cba0289ae40af3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Aerobes</topic><topic>Bacillus pumilus</topic><topic>Bacteria</topic><topic>Bacteria - genetics</topic><topic>Bacteria - growth & development</topic><topic>Bacteria - isolation & purification</topic><topic>Bacterial corrosion</topic><topic>Biofilms</topic><topic>Biological and medical sciences</topic><topic>Blastobacter</topic><topic>Corrosion</topic><topic>Corrosion effects</topic><topic>Corrosion potential</topic><topic>Corrosion prevention</topic><topic>Corrosion tests</topic><topic>Diffusion rate</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Galvanized steel</topic><topic>galvanized steel pipe</topic><topic>Galvanized steels</topic><topic>Galvanizing</topic><topic>Growth rate</topic><topic>Heterotrophic bacteria</topic><topic>Heterotrophic Processes</topic><topic>microbially influenced corrosion</topic><topic>Microbiology</topic><topic>Pipes</topic><topic>Pollution tolerance</topic><topic>Pseudomonas</topic><topic>Pure culture</topic><topic>RNA, Ribosomal, 16S - genetics</topic><topic>Steel</topic><topic>Steel - chemistry</topic><topic>Steel pipes</topic><topic>Water management</topic><topic>Water Microbiology</topic><topic>Water Supply</topic><topic>Yeasts</topic><topic>Zinc</topic><topic>Zinc - chemistry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bolton, N</creatorcontrib><creatorcontrib>Critchley, M</creatorcontrib><creatorcontrib>Fabien, R</creatorcontrib><creatorcontrib>Cromar, N</creatorcontrib><creatorcontrib>Fallowfield, H</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Biotechnology Research Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Nucleic Acids Abstracts</collection><collection>Toxicology Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of applied microbiology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Bolton, N</au><au>Critchley, M</au><au>Fabien, R</au><au>Cromar, N</au><au>Fallowfield, H</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Microbially influenced corrosion of galvanized steel pipes in aerobic water systems</atitle><jtitle>Journal of applied microbiology</jtitle><addtitle>J Appl Microbiol</addtitle><date>2010-07</date><risdate>2010</risdate><volume>109</volume><issue>1</issue><spage>239</spage><epage>247</epage><pages>239-247</pages><issn>1364-5072</issn><eissn>1365-2672</eissn><abstract>To investigate the role of heterotrophic bacteria in the corrosion of galvanized steel in the presence of water. Samples were taken from corroding galvanized steel pipes conveying water for specialist applications, and heterotrophic bacteria were isolated and cultured. The majority of bacteria were Gram-negative aerobes and included Pseudomonas sp., Bacillus pumilus, Afipia spp. and Blastobacter denitrificans/Bradyrhizobium japonicum. Zinc tolerance was assessed through growth and zinc disc diffusion experiments. In general, zinc negatively influenced growth rates. An unidentified yeast also isolated from the system demonstrated a high tolerance to zinc at concentrations up to 4 g l⁻¹. Coupon experiments were performed to assess corrosion by the bacteria on galvanized steel and steel coupons. The majority of isolates as pure culture biofilms (69%) accelerated corrosion of galvanized coupons, assessed as zinc release, relative to sterile control coupons (P < 0·05). Pure culture biofilms did not increase the corrosion of steel, with four isolates demonstrating protective effects. Pure culture biofilms of heterotrophic bacteria isolated from a corroding galvanized pipe system were found to accelerate the corrosion of galvanized steel coupons. Microbially influenced corrosion is a potential contributor to sporadically occurring failures in galvanized steel systems containing water. Management strategies should consider microbial control as a means for corrosion prevention in these systems.</abstract><cop>Oxford, UK</cop><pub>Oxford, UK : Blackwell Publishing Ltd</pub><pmid>20070443</pmid><doi>10.1111/j.1365-2672.2009.04650.x</doi><tpages>9</tpages></addata></record> |
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source | Oxford University Press Journals All Titles (1996-Current); Wiley Online Library - AutoHoldings Journals; MEDLINE |
subjects | Aerobes Bacillus pumilus Bacteria Bacteria - genetics Bacteria - growth & development Bacteria - isolation & purification Bacterial corrosion Biofilms Biological and medical sciences Blastobacter Corrosion Corrosion effects Corrosion potential Corrosion prevention Corrosion tests Diffusion rate Fundamental and applied biological sciences. Psychology Galvanized steel galvanized steel pipe Galvanized steels Galvanizing Growth rate Heterotrophic bacteria Heterotrophic Processes microbially influenced corrosion Microbiology Pipes Pollution tolerance Pseudomonas Pure culture RNA, Ribosomal, 16S - genetics Steel Steel - chemistry Steel pipes Water management Water Microbiology Water Supply Yeasts Zinc Zinc - chemistry |
title | Microbially influenced corrosion of galvanized steel pipes in aerobic water systems |
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