Mechanical-Biological Treatment

Elimination of heavy metals from untreated water using chelate-forming cation- and weak base anion exchange resins

Results obtained from tests conducted on a semi-industrial scale suggest that this process would be suitable for commercial application. Exchange resins with a phenol-formaldehyde matrix appear to provide a particularly appropriate solution to the problem of the increasing contamination of groundwater by heavy metals.

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Source: German National Library of Science and Technology Hannover (TIB)