Anaerobic digester sludge density investigations at thermal hydrolysis treatment sites in Dwr Cymru Welsh Water: PRESENTATION ONLY

Ward, F.1, Parry, I.1, Holthofer, D.1, Mulliner, R.2, Merry, J.3, Bowen, A.4, 1Dwr Cymru Welsh Water, 2AD Ingenuity, 3Stantec, 4Morgan Sindall, UK


What has been the impact?

  • Increased plant throughput’s / Increased stability
  • Increased consumer availability (Gas to Grid, CHP’s and Boilers)
  • Increase in grit removal from the digester
  • Improved / consistent feed to the post dewatering plant, reducing the ammonia peaks / loading on the liquor treatment plant
  • No foam in the gas phase, reduced H&S concerns related to foam entering the gas phase and fouling the whessoe valves , and reduced cleaning /inspections

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