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Accumulation of particulate matter and microorganisms present in wastewater as biofilm on the surface of filters can lead to clogging of the media. If clogging of filters occurs, they need to be temporarily decommissioned before they can be operated again. The mechanisms causing clogging may only be delineated through destructive sampling of a filter. The aim of this study was to characterise the...
Seawater filters containing expanded clay (EC) and granulated activated carbon (GAC) media were operated for 14months. The biological activity found after concentrating the backwashed sludge was analysed by fluorescence in situ hybridisation (FISH), scanning electron microscopy (SEM) and 16s rRNA gene cloning.FISH and SEM analyses confirmed the presence of extracellular polymeric substances derived...
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