US PATENT SUBCLASS 210 / 795
.~.~.~.~.~.~ Expanded bed

Current as of: June, 1999
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210 /   HD   LIQUID PURIFICATION OR SEPARATION

600  DF  PROCESSES {14}
767  DF  .~ Separating {16}
791  DF  .~.~ Rehabilitating or regenerating filter medium {2}
792  DF  .~.~.~ Particulate bed {2}
793  DF  .~.~.~.~ Reverse flow {1}
794  DF  .~.~.~.~.~ Including addition of diverse fluid {1}
795.~.~.~.~.~.~ Expanded bed

DEFINITION

Classification: 210/795

Expanded bed:

(under subclass 794) Process wherein the fluid causes the bed to expand or fluidize resulting in scouring of the particulates.

SEE OR SEARCH THIS CLASS, SUBCLASS:

786, for a separation process through a movable particulate bed.