Distillation: apparatus – Apparatus – Systems
Reexamination Certificate
2003-05-29
2009-02-03
Manoharan, Virginia (Department: 1797)
Distillation: apparatus
Apparatus
Systems
C202S168000, C202S169000, C210S167010, C210S195100, C422S256000, C422S281000, C422S282000
Reexamination Certificate
active
07485207
ABSTRACT:
A closed-loop biomass extraction apparatus using HFC solvents including an extraction vessel, an evaporator for the solvent, a compressor and a condenser connected in series in a closed loop extraction circuit; a solvent recovery loop constituted by a bypass line; a plurality of flow control valves that are selectively operable for connecting the solvent recovery loop in parallel with the closed loop extraction circuit; and at least one container containing an adsorbent for organic contaminants and a desiccant, the container being connected in the solvent recovery loop to which solvent in the extraction circuit may be supplied through selective operation of the flow control valves whereby solvent used in the extraction circuit may be supplied through the adsorbent and the desiccant.
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Corr Stuart
Dowdle Paul A.
Low Robert E.
Morrison James David
Murphy Frederick Thomas
Cook Alex Ltd.
Ineos Fluor Holdings Limited
Manoharan Virginia
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