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Precise dosage of precipitants at the wastewater treatment plant

Dosing pumps from sera for water treatment plants


When it comes to wastewater treatment, many operators rely on sera's expertise. sera dosing technology is used in wastewater treatment in many process steps and not only ensures clean water, but also ensures that all legal requirements are met.

The Breisgauer Bucht Wastewater Association has expanded the Forchheim wastewater treatment plant. The capacity of the biological cleaning stage was increased by 50% to 600,000 inhabitants. In addition to two new receding tanks, a new 2-street revitalization basin with a biology pumping station was built.

As part of the expansion, nine dosing points were installed for precipitation with three different media. Depending on the requirements and utilization, polyaluminium chloride, iron III chloride and green salt are dosed in the quantity required for precipitation. sera supplied ZXRF 4111.3-2200 feeding pumps as well as controllable C410.2-900 diaphragm pumps. They are leak-free, unlimited dry-running-proof, low-maintenance and at the process very precise.

A detailed report is available on


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