Intermediate-enhanced sludge digestion process

Intermediate-enhanced sludge digestion process

  • CN 105,836,994 A
  • Filed: 05/27/2016
  • Published: 08/10/2016
  • Est. Priority Date: 05/27/2016
  • Status: Active Application
First Claim
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1. the sludge digestion technique of a middle strengthening, it is characterised in that comprise the following steps:

  • Step one, just digestion;

    mud is put in first digester and carry out anaerobic digestion;

    Step 2, strengthening;

    first postdigestive mud is put into strengthening pond, and carries out intensive treatment in strengthening pond;

    Step 3, adjusts;

    the mud after intensive treatment is put into adjustment pond, and adjusting pH is about 7;

    Step 4, then digest;

    the mud after adjusting puts into digester again, digests;

    Step 5, spoil disposal;

    discharge mud from digester again, carry out subsequent treatment;

    Step 6, repeats step one to step 6.

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