HIGH PRESSURE COMPRESSOR AND STEAM EXPLOSION PULPING METHOD
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United States of America Patent
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Issued Date -
Nov 13, 2008
app pub date -
Mar 28, 2008
filing date -
May 7, 2007
priority date (Note) -
Abandoned
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Abstract
A steam explosion pulping method including: impregnating a cellulosic biomass feed material in a pressurized reactor vessel; discharging the impregnated feed material from the vessel to a high pressure compressor; elevating a pressure of the feed material in the compressor; discharging the pressurized feed material from the compressor to a conduit coupled to a blow valve; rapidly reducing pressure of the pressurized feed material as the feed material passes through the blow valve, and pulping the feed material by expansion of fluid in the feed material during the rapid pressure reduction.
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