System for activated sludge wastewater treatment with high dissolved oxygen levels

System for activated sludge wastewater treatment with high dissolved oxygen levels

  • CN 101,835,712 A
  • Filed: 05/28/2008
  • Published: 09/15/2010
  • Est. Priority Date: 08/24/2007
  • Status: Active Application
First Claim
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1. Waste Water Treatment, described Waste Water Treatment comprises:

  • The activated sludge tank of uncovered, described activated sludge tank are suitable for accepting active sludge and waste water stream, to produce mixed solution;

    Oxygenating system, described oxygenating system are suitable for high-purity oxygen is imported in the mixed solution in the activated sludge tank;

    Settling pond, described settling pond fluid is connected to activated sludge tank, and is suitable for accepting thus mixed solution, and described settling pond is suitable for separated sludge from described mixed solution, to produce effluent;

    WithThe active sludge pipeline, described pipeline is connected to described settling pond, and is suitable for removing isolating mud from described settling pond;

    The solid loading of the mixed solution in the wherein said activated sludge tank is every liter of about 10000mg suspended solids of the about 3000mg-of mixed solution, and the dissolved oxygen levels of the mixed solution in the described activated sludge tank is every liter of about 5mg-15mg oxygen of mixed solution.

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