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US 9,656,887 B2Granted
Removal of ions from aqueous fluid
AssigneeThe Water Company LLC
InventorsBrian B. Elson, Michael Fallbach
Life of this patent
Estimating the term…
Abstract
Methods of removing one or more oxyanions from an aqueous fluid can comprise increasing the pH of an aqueous fluid containing one or more oxyanions and contacting the aqueous fluid with aluminum metal.
Claims35
A method of removing one or more oxyanions from an aqueous liquid, comprising increasing the pH of the aqueous liquid comprising the one or more oxyanions;
- and
- contacting the pH-increased aqueous liquid with aluminum metal thereby forming one or more precipitates comprising aluminum and the one or more oxyanions, wherein the one or more precipitates comprises one or more ettringites.
Dependencies are inferred from the claim text.