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03.12.2025
Advantages of Rotary Lobe Pumps in Wastewater Treatment
The treatment of wastewater involves various process steps, posing numerous challenges. We will show you the advantages our TORNADO® rotary lobe pumps offer in these steps.
In the interview, Yun Zhang, Office Manager of NETZSCH (Lanzhou) Pumps Co., Ltd. in Guangzhou, explains how to benefit from NETZSCH Pumps & Systems in wastewater treatment.
Challenges in wastewater management
Customised Consulting
When treating wastewater, dirty water passes through various steps, each of which poses different pump requirements. This makes it all the more challenging to find the right pump for each process step, especially when selecting a suitable model covering different application areas. As a global specialist in handling complex media, NETZSCH offers pump solutions individually tailored to your requirements.
One pump, several wastewater applications
“Due to the limited installation space for sludge pumps, the Jinhua sewage treatment plant in Zhejiang chose a NETZSCH rotary lobe pump.”
In wastewater treatment, the TORNADO® rotary lobe pump is particularly convincing due to its versatility. For example, it can be used as a transport pump for sludge and a feed pump for a centrifuge. In addition to low maintenance requirements and the associated low costs, it also scores highly due to its small dimensions compared to progressing cavity pumps. “The pump requires very little space for installation. Due to the limited installation space for sludge pumps, the Jinhua sewage treatment plant in Zhejiang chose a NETZSCH rotary lobe pump”, explains Zhang.
In the interview, the Office Manager also discusses how the wastewater treatment plant in Hangzhou, Zhejiang, and other operators benefit from the TORNADO® rotary lobe pump and why replacing other pump technologies with rotary lobe pump technology is worthwhile.
