Wastewater Sludge Dewatering: Pilot Testing is Crucial for Equipment Success

Pilot testing is a vital step in selecting the most effective sludge dewatering equipment for municipal and industrial wastewater treatment plants. Because each sludge type has a unique composition, equipment performance can vary significantly. A tailored, data-driven approach is essential to ensure optimal results.
Pilot testing validates equipment performance under real-world conditions by providing key metrics such as throughput, cake solids concentration, polymer consumption, and capture rate. This process helps ensure the selected technology will perform efficiently with your facility’s specific sludge characteristics.
At PW Tech, our expert technicians perform on-site pilot tests using a fully equipped mobile sludge dewatering trailer. This allows us to deliver fast, accurate, and reliable results directly at your location. The primary goal is to determine the most suitable dewatering technology that combines high performance with low operating costs.
Based on the data collected, PW Tech provides a comprehensive recommendation for the best-fit solution. Additionally, our pilot testing process supports site-specific implementation and operator training, ensuring a smooth transition and long-term success.

Equipment on the PWTech Volute Dewatering Press Test Trailer
- Sludge Feed Pump
- Flow Meter
- Volute Dewatering Press
- Polymer Preparation and Feed System
- Control Panel with VFDs, PLC, and Operator Interface
The pilot test gives you the performance data needed to design a dewatering project.
The Volute Press model sizes range from 10 GPM to 300 GPM, with a small footprint, and space for additional dewatering drums can be provided for future requirements. The Volute Press is engineered for wastewater treatment plant operators.
Learn more about the PW Tech Volute Dewatering Press

Contact Envirep
Envirep/TLC serves the municipal and industrial water and wastewater market in Pennsylvania, New Jersey, Maryland, Delaware, the District of Columbia, Virginia, and West Virginia.
Do you need help selecting the right equipment for your application? Contact Envirep at 717-761-7884 or sales@envirep.com.
By Michael Gillespie, President at Envirep/TLC