EnviroChemie assumes responsibility for treating process wastewater from Ammerland

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Source: EnviroChemie GmbH

Since March 2010, EnviroChemie has been operating the process wastewater treatment plant at the Wiefelstede-Dringenburg site on behalf of the Molkerei Ammerland eG dairy. Within this context, it is responsible for the proper treatment of up to one million cubic metres of process wastewater per year.

At its Wiefelstede site, the Molkerei Ammerland dairy processes one billion kilograms of raw milk annually. The site has had its own process wastewater treatment plant since 1992. The process wastewater is treated centrally using mechanical, biological and physico-chemical methods before being discharged directly into the sewage system.

Over the course of the year, EnviroChemie will be partially rebuilding the existing treatment plant and modernising it completely. These activities are being pre-financed by EnviroChemie, but the plant will remain the property of the dairy:

  • Expansion of hydraulic capacity by 50%
  • Modernisation of measurement and control equipment including visualisation of the process technology and the introduction of “remote maintenance”
  • Setting up of an automatic sampling system
  • Optimisation of phosphate elimination
  • Construction of a disc filter for separating particles safely and reliably
  • Mechanical dewatering of the excess sludge by means of a centrifuge and subsequent anaerobic fermentation
  • Conversion of biogas produced
  • Improved control of the blowers used for aerobic biological treatment

Thanks to the plant rebuilding and modernisation work, EnviroChemie will be helping Ammerland to save approximately 20% of the costs specifically associated with wastewater treatment.

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