Microbial effects on mineral–radionuclide interactions and radionuclide solid-phase capture processes
With the aid of a map of the research landscape covered by this review (created using a cluster-analysis tool, a self-organizing map), we highlight the most promising sequestration processes for specific radionuclides. However, radionuclides exhibit highly species-specific behaviour in their interactions with minerals and microorganisms. More research is required to characterize the role mineral surfaces play in bioreductive immobilization of Pu and Np, the reduction products formed, and their relative stability. Further studies should concentrate on more environmentally relevant experiments that include bacteria, minerals and radionuclides.
Keywords: BIOGEOCHEMISTRY; CAESIUM; ENVIRONMENTAL MINERALOGY; MINERALÀRADIONUCLIDE INTERACTIONS; NEPTUNIUM; PLUTONIUM; RADIOACTIVE WASTE; RADIONUCLIDES; SOLID-PHASE CAPTURE PROCESSES; STRONTIUM; TECHNETIUM; URANIUM
Document Type: Review Article
Publication date: 01 June 2012