Affiliation:
1. Abteilung Mikrobiologie, Institut für Allgemeine Botanik, D-2000 Hamburg 52, Federal Republic of Germany
Abstract
Biogenic sulfuric acid corrosion of concrete surfaces caused by thiobacilli was reproduced in simulation experiments. At 9 months after inoculation with thiobacilli, concrete blocks were severely corroded. The sulfur compounds hydrogen sulfide, thiosulfate, and methylmercaptan were tested for their corrosive action. With hydrogen sulfide, severe corrosion was noted. The flora was dominated by
Thiobacillus thiooxidans
. Thiosulfate led to medium corrosion and a dominance of
Thiobacillus neapolitanus
and
Thiobacillus intermedius
. Methylmercaptan resulted in negligible corrosion. A flora of heterotrophs and fungi grew on the blocks. This result implies that methylmercaptan cannot be degraded by thiobacilli.
Publisher
American Society for Microbiology
Subject
Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology
Reference12 articles.
1. Hultman B. H. Holmstrom and F. Nyberg. 1978. Practical experiences of hydrogen sulfide formation and sulphuric acid corrosion in Sweden p. 85-92. In B. Bohnke (ed.) Technischwissenschaftliche Schriftenreihe der ATV Band 7. GFA St. Augustin Federal Republic of Germany.
2. Trace analysis of thiosulfate in corroded concrete sewers by differential-pulse-anodic-stripping-voltametry;Knittel D.;Fresenius Z. Anal. Chem.,1985
3. Identification of volatile organic sulfur compounds in municipal sewage systems by GC/MS;Konig W. A.;J. High Resolut. Chromatogr. Commun.,1980
4. Thiobacilli of the corroded concrete walls of the Hamburg sewer system;Milde K.;J. Gen. Microbiol.,1983
5. The corrosion of concrete. 1. The isolation of a species of bacterium associated with the corrosion of concrete exposed to atmospheres containing hydrogen sulfide;Parker C. D.;Aust. J. Exp. Biol. Med. Sci.,1945
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