wastewater and sludge

Conveying Sewage Sludge with High Strength

Rotating positive-displacement pumps have been used for decades in wastewater and sludge treatment as handling systems for all types of substances.

Due to their regulatory properties, these pumps deliver secure, dependable, and efficient processing.

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Conveying Sewage Sludge With NEMO® BF Hopper-Shaped Pump With aBP-Module®

Along with sand additives, wastewater being treated often contains coarse floating pollutants, decomposing matter, sludge-generating particulate materials, dissolved organic matter and bacteria.

None of these substances present any problem for NETZSCH Pumps and Grinding Systems: Our NEMO® Progressing Cavity Pumps and NETZSCH TORNADO® Rotary Lobe Pumps, along with the NEMO® M-Ovas® provide you with the optimal technical solution for your application.


percent dry matter contents can be pumped

The following flow chart shows the individual processing steps in wastewater treatment for communal and industrial sewage plants, from inflow to discharge into the disposal system, along with the corresponding sludge treatment. 

NEMO® BF hopper-shaped pump with aBP-Module®

Medium: Sewage sludge
Throughput volume: 2 up to 5 m³/h
Rotations speed: Under 30 rpm
Pressure: 12 up to 15 bar
Dry matter contents: 25-35%
Viscosity: Between 10 and 22 Pas

NEMO® BF Hopper-Shaped Pump With aBP-Module® by NETZSCH Pumps & Systems