A system and method for removing metal values and other contaminate materials from water using Euglena algae is disclosed. The Euglena algae is grown, concentrated and exposed to water having metal values and other contaminate materials therein. The metal values and other contaminate materials are sequestered by the Euglena algae so to yield treated water. The Euglena algae having metal values and other contaminate materials sequestered therein are separated from the treated water and the metal values and other contamination materials may be recovered from the Euglena algae. In particular nanosilver is sequestered and recovered from the Euglena algae.
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