Apparatus and method for extracting biomass
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United States of America Patent
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Dec 23, 2003
Grant Date -
N/A
app pub date -
Sep 5, 2000
filing date -
Sep 6, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus for extracting biomass includes a closed loop circuit having an extraction vessel (11), an evaporator (12), a compressor (13), a condenser (14) and (optionally) a storage reservoir (15) operatively connected in series. A pumped recirculation loop (20) recirculates a portion of the output of the extraction vessel (11) for further contact with biomass. One or more modifiable resistances to flow (12;23) control the flow of solvent around the recirculation loop (20) and the main closed loop.
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