Patent ID: 7473759
Filing Date: 2009-01-06
Classification: B08B,B29B,B29K,B29L,C08F,C08J,Y02P,Y02W,Y10T

Abstract:
1. An apparatus, comprising: a solvent wash vessel to expose resin particles to a non-carbon dioxide solvent, the solvent contacting the resin particles in the wash vessel to substantially remove contaminants on the resin particles; a first resin particle removing element to remove the resin particles from the solvent wash vessel; a separator to separate the solvent from the resin particles after removal from the solvent wash vessel; a second resin particle removing element to remove the resin particles from the separator after separation; and a closed loop carbon dioxide system configured to expose the resin particles to carbon dioxide to substantially remove any residual solvent remaining on the resin particles after separation, the closed loop carbon dioxide system further comprising: