Community Research and Development Information Service - CORDIS


BIOBRUSH Report Summary

Project ID: EVK4-CT-2001-00055
Funded under: FP5-EESD
Country: United Kingdom

New mortar system for application of nitrate-reducing bacteria to stone

A new BioBRUSH mortar was developed as a delivery system for bioremediation work with denitrifying bacteria. It needed a shorter time period for carbonation due a lower content of Portland cement clinker and the addition of pumice and air entraining agent. Alginate was used to immobilise denitrifying bacteria in the mortar and act as a protective cover against alkaline pH, dryness and mechanical stress and ensured homogenous distribution of bacteria in the mortar. Long term frozen storage of previously produced bioactive alginate beads was possible. The optimized mortar delivery system was developed to improve conditions essential for the activity of denitrifying bacteria.

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Eric MAY, (Reader in Microbiology)
Tel.: +44-2392-842025
Fax: +44-2392-842070
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