US PATENT SUBCLASS 210 / 772
.~.~.~ Washing with a fluid other than the prefilt

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

600  DF  PROCESSES {14}
767  DF  .~ Separating {16}
768  DF  .~.~ Including treating separated solids {3}
772.~.~.~ Washing with a fluid other than the prefilt

DEFINITION

Classification: 210/772

Washing with a fluid other than the prefilt:

(under subclass 768) Process in which the solids are contacted with a fluid different from the prefilt to wash same.