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Pro034

Bacterial cleaning of concrete surfaces



Title: Bacterial cleaning of concrete surfaces
Author(s): B. De Graef, W. De Windt, N. De Belie, W. Verstraete
Paper category : conference
Book title: RILEM International Conference on Microbial Impact on Building Materials
Editor(s): M. Ribas Silva
Print-ISBN: 2-912143-43-8
e-ISBN: 2351580184
Publisher: RILEM Publications SARL
Publication year: 2003
Pages: 27 - 35
Total Pages: 9
Nb references: 11
Language: English


Abstract: In this study, preliminary results of a microbiological cleaning technique are proposed for restoration and conservation of concrete surfaces. This technique could offer an alternative for common chemical and mechanical cleaning methods, which often give rise to harmful effects after the application. The technique consists of the application of biological sulphur solution, i.e. a mixture of sulphur-oxidising bacteria of the genus Thiobacillus with an
appropriate nutrient. Our objective was the removal of dirt layers from materials, together with a neglectable surface layer of the material. With this technique, filth layers could be removed in a more ecological and perhaps more efficient way than with a technique such as sandblasting.


Online publication: 2003-07-03
Publication type : full_text
Public price (Euros): 0.00
doi: 10.1617/2351580184.003