Treatment method for sludge reduction

Treatment method for sludge reduction

  • CN 105,293,845 A
  • Filed: 10/26/2015
  • Published: 02/03/2016
  • Est. Priority Date: 10/26/2015
  • Status: Active Application
First Claim
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1. a treatment process for sludge reduction, is characterized in that, the method comprises the following steps:

  • 1) excess sludge from second pond is first carried out standing gravity settling, after sedimentation, supernatant liquor is back to equalizing tank, completes first concentrated;

    2) carry out air-flotation process to the mud after first concentrating again and complete secondary concentration, the lower clear liquid of secondary concentration is back to equalizing tank, to the mud adjustment pH after secondary concentration, adds strong oxidizer, complete reaction member after reaction certain hour after steam heating;

    3) more final mud mixture is delivered to sludge dewatering equipment to dewater, wherein filtrate is back to equalizing tank, and dry mud outward transport is disposed.

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