US PATENT SUBCLASS 210 / 627
.~.~.~.~.~.~ Utilizing specific oxidant, other than air alone (e.g., oxygen-enriched air, ozone, peroxide, etc.)

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

600  DF  PROCESSES {14}
601  DF  .~ Treatment by living organism {13}
620  DF  .~.~ Aerobic treatment {3}
621  DF  .~.~.~ Recirculating to prior step {2}
623  DF  .~.~.~.~ Of sludge or separated solid {3}
626  DF  .~.~.~.~.~ To mainstream oxygenation (e.g., activated sludge, etc.) {2}
627.~.~.~.~.~.~ Utilizing specific oxidant, other than air alone (e.g., oxygen-enriched air, ozone, peroxide, etc.)

DEFINITION

Classification: 210/627

Utilizing specific oxidant other than air alone (e.g., oxygen-enriched air, ozone, peroxide, etc.):

(under subclass 626) Process wherein the oxygen-containing agent is a particulate oxidant (e.g., oxygen-enriched air, oxygen, ozone, hydrogen peroxide, etc.).

SEE OR SEARCH THIS CLASS, SUBCLASS:

721+, for a process involving oxidation in combination with precipitation.

758+, for a process involving chemical oxidation.