Effects of toxic metals and chemicals on biofilm and biocorrosion

Herbert H.P. Fang, Lichong Xu, Kwong Yu Chan

Research output: Contribution to journalArticle

206 Citations (Scopus)

Abstract

Microbes in marine biofilms aggregated into clusters and increased the production of extracellular polymeric substances (EPS), by over 100% in some cases, when the seawater media containing toxic metals and chemicals, such as Cd(II), Cu(II), Pb(II), Zn(II), Al(III), Cr(III), glutaraldehyde, and phenol. The formation of microbial cluster and the increased production of EPS, which contained 84-92% proteins and 8-16% polysaccharides, accelerated the corrosion of the mild steel. However, there was no quantitative relationship between the degree of increased corrosion and the toxicity of metals/chemicals towards sulfate-reducing bacteria, or the increased EPS production.

Original languageEnglish (US)
Pages (from-to)4709-4716
Number of pages8
JournalWater Research
Volume36
Issue number19
DOIs
StatePublished - Nov 1 2002

Fingerprint

Biofilms
biofilm
corrosion
sulfate-reducing bacterium
Metals
polysaccharide
Corrosion
phenol
steel
Polysaccharides
toxicity
seawater
Seawater
Phenols
protein
Carbon steel
Toxicity
metal
Bacteria
Proteins

All Science Journal Classification (ASJC) codes

  • Ecological Modeling
  • Water Science and Technology
  • Waste Management and Disposal
  • Pollution

Cite this

Fang, Herbert H.P. ; Xu, Lichong ; Chan, Kwong Yu. / Effects of toxic metals and chemicals on biofilm and biocorrosion. In: Water Research. 2002 ; Vol. 36, No. 19. pp. 4709-4716.
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Effects of toxic metals and chemicals on biofilm and biocorrosion. / Fang, Herbert H.P.; Xu, Lichong; Chan, Kwong Yu.

In: Water Research, Vol. 36, No. 19, 01.11.2002, p. 4709-4716.

Research output: Contribution to journalArticle

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