Mikroskopie Belebtschlammflocke mit Glockentierchen / microscopy activated sludge floc with vorticella © BIOMONTAN GmbH

CHALLENGE INSUFFICIENT FLOC FORMATION / TURBIDITY IN THE EFFLUENT IN WASTWATER TREATMENT PLANTS

We ensure stable floc formation

If the activated sludge floc is insufficient, the undissolved pollutants cannot be efficiently separated from the wastewater and the residual load in the effluent remains too high. Increased turbidity in the effluent is therefore an indicator of altered or disturbed purification processes.

The causes of insufficient floc formation and floc decomposition are manifold – we understand this specific challenge and support you with analysis, root cause analysis and development of a customized treatment plan for your plant.

Our proven solutions for improving floc formation and stabilizing activated sludge flocs help to maintain the operational efficiency of your plant.

Reasons for insufficient floc formation

The cause of an unfavorable flake structure is usually a combination of several circumstances:

  • Low Ca content due to low hardness levels
  • High proportion of rainwater in the inlet
  • High nitrogen content / high sodium content in the inflow (e.g. input of Na ions from industrial wastewater or road salt)
  • Treatment of turbid and centrate wastewater
  • Low temperatures
  • Insufficient denitrification due to nutrient deficiency
  • Insufficient ventilation
purity water splashing wave © Fotolia.com

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