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Sewage treatment apparatus

  • US 4,156,297 A
  • Filed: 10/14/1977
  • Issued: 05/29/1979
  • Est. Priority Date: 10/14/1977
  • Status: Expired due to Term
First Claim
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1. A sewage treatment apparatus comprising a hollow, elongated casing having an inlet for reception of sewage, a discharge opening and a discharge outlet, a macerating chamber in said casing, an intercepting chamber in said casing located below said macerating chamber for intercepting the passage of said sewage through said discharge outlet and causing said sewage to pass through said discharge opening, a valve means located between said macerating chamber and said intercepting chamber, means for closing said valve means to temporarily hold a batch of sewage in said macerating chamber, means for macerating the sewage as it is held in said macerating chamber, means for opening said valve means to deposit the sewage from said macerating chamber into said intercepting chamber, a second valve means at the outlet of said casing and below said intercepting chamber, means for opening said second valve means to discharge the sewage from the discharge outlet of said casing, a holding tank connected to said discharge opening and means for optionally transferring said sewage through said discharge opening to said holding tank or through said discharge outlet.

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