Chemistry of hydrocarbon compounds – Purification – separation – or recovery – By cooling of liquid to obtain solid – e.g. – crystallization,...
Reexamination Certificate
2006-03-21
2010-10-12
Nguyen, Tam M (Department: 1797)
Chemistry of hydrocarbon compounds
Purification, separation, or recovery
By cooling of liquid to obtain solid, e.g., crystallization,...
C585S812000, C210S767000, C210S770000, C210S771000, C210S772000
Reexamination Certificate
active
07812206
ABSTRACT:
A filter column apparatus comprising a filtration zone and a reslurry zone. These zones are separated by a barrier wall or are in substantial cooperation with each other. Also disclosed is a process for separating at least a portion of at least one substantially solid component from a solid-liquid stream comprising the substantially solid component and at least one substantially liquid component. Also disclosed is a process for forming a substantially solids containing packed bed. Also disclosed is a process for purifying paraxylene in a filtration zone.
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Comstock Dean B.
Roberts Scott A.
Stefanski Ronald D.
Wilsak Richard A.
BP Corporation North America Inc.
Carpenter Robert
Nguyen Tam M
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