Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 12, 2011
Patent Application Number
11369613
Date Filed
March 7, 2006
Patent Citations Received
Patent Primary Examiner
Patent abstract
A cross-linked polyvinyl sulfate, copolymer of polyvinyl sulfate and polyvinyl alcohol, or Nafion® membrane is used for recovering sulfuric acid from a feed mixture comprising predominantly acid and water under reverse osmosis conditions wherein sulfuric acid is enriched in the retentate stream and water is removed in the permeate stream.
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