The development of geotextiles incorporating slow release phosphate beads for the maintenance of oil degrading bacteria in permeable pavements

G. E. Spicer, D. E. Lynch, A. P. Newman & S. J. Coupe
The development of a self-fertilising geotextile mat designed to provide a sustained slow-release of required inorganic nutrients for the growth of oil degrading micro-organisms in porous pavement systems (PPS) is reported. The system comprises a geotextile spun from polymer fibres containing spherical phosphated polymer beads that release phosphate upon contact with water at a desirable level for microbial growth. Initial results using model PPS have shown that the self-fertilising geotextile system works very effectively as...
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