US PATENT SUBCLASS 210 / 926
.~ Using oxidation ditch (e.g., carousel, etc.)

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

918  DF  MISCELLANEOUS SPECIFIC TECHNIQUES {5}
926.~ Using oxidation ditch (e.g., carousel, etc.)

DEFINITION

Classification: 210/926

Using oxidation ditch (e.g., carousel, etc.):

Collection of disclosures directed to treatment of sewage in which the water is run through a circular flume or sluice.

(1) Note. The running water appears to increase the dissolved oxygen and enhance aerobic activity.