Product Description

Fitec Handheld Bicarbonate Analyzer

Bacteria in anaerobic digesters require a pH-value in the range of about 6.5 to 8 to efficiently produce biogas. Stabilization of the pH-value within this range is predominantly obtained by the release of large amounts of bicarbonate from the anaerobic decomposition of organic wastes.

Process interruptions such as overfeeding often result in increased concentrations of volatile fatty acids (VFA) and to decreasing amounts of bicarbonate as these acids consume the bicarbonate and in extreme cases, even leading to biological collapse and plant failure.

Monitoring the bicarbonate values in the digester is a reliable and accurate tool for determining feeding rates.


Advantages of process control with an incline bicarbonate monitor

  • Rapid response gives operators more time to avoid economic losses
  • Ease of operation with results in just 5 minutes!
  • Process interruptions are detected much earlier than by pH-value analysis
  • The data is easy to understand
  • No calibration required
  • Very low operating costs
  • Robust and approved analytical method

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