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Method and system for waste treatment

  • US 4,053,399 A
  • Filed: 04/30/1975
  • Issued: 10/11/1977
  • Est. Priority Date: 04/30/1975
  • Status: Expired due to Term
First Claim
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1. A method for treating raw sewage comprising the steps of:

  • a. screening influent sewage to divide the influent sewage into solid waste matter and screened waste fluid;

    b. incinerating the solid waste matter;

    c. centrifuging the screened waste fluid to divide the screened waste fluid into sludge and clarified liquid;

    d. incinerating the sludge;

    e. passing ozone bubbles through the clarified liquid to divide the clarified liquid into foam entrapped solids, solids adhering to ozone bubbles, and disinfected liquid;

    f. incinerating the foam entrapped solids and solids adhering to ozone bubbles; and

    g. removing the disinfected liquid.

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