Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Joseph Douglas Sanders0
Date of Patent
April 13, 2010
0Patent Application Number
114577640
Date Filed
July 14, 2006
0Patent Primary Examiner
Patent abstract
A method and apparatus for processing polystyrene. The method includes the steps: using at least one scrapped surface heat exchanger (160) to heat a solution of polystyrene dissolved in an organic solvent to provide a heated solution of polystyrene dissolved in the organic solvent, and separating the dissolved polystyrene from the organic solvent. The apparatus includes: a holding tank at least partly filled with a solution of polystyrene dissolved in an organic solvent, at least one scrapped surface heat exchanger (160), and a separator.
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