| abstract |
The invention relates to a composite solid material fixing mineral contaminants, with a metal hexacyanoferrate basis, characterised in that it comprises a solid support coated with a pellicle of an anion-exchange polymer to which is fixed an insoluble metal hexacyanoferrate forming a thin layer.The present invention also relates to the method of preparing the said composite solid material fixing mineral contaminants with a hexacyanoferrate basis.The present invention finally relates to method of fixing, which can be carried out in a column and continuously, of at least one mineral contaminant contained in a solution, on the said composite solid material fixing mineral contaminants.The said solution is in particular a liquid or an effluent originating from the nuclear industry and installations. |