- Tel: +1-713-377-2984 Tel: +1-713-779-3017 Tel:+1-713-320-2103
- Email: usa@gnsolidscontrol.com
Products
Latest News
Contact Us
GN Solids America LLC
Tel:+1 (713) 377-2984
Tel:+1 (713) 518-2368
Email: This email address is being protected from spambots. You need JavaScript enabled to view it.
Add:6710 Windfern Road, Houston, TX 77040,USA

In a wide range of industries, managing sludge and wastewater is a daily challenge. From municipal treatment plants to food processing and chemical manufacturing, businesses are looking for efficient, cost-effective ways to reduce sludge volume and handle waste responsibly. One solution that is gaining significant traction is the dewatering screw press, an innovative, energy-efficient system for solid-liquid separation.
The GN Screw Press Sludge Dewatering Machine is a leading example of this technology. It operates using the principle of screw extrusion, where sludge is pushed along a gradually narrowing screw shaft. As the screw diameter and pitch change, the sludge experiences increasing pressure. This pressure, combined with the tight spacing between the floating ring and fixed ring, forces water out of the sludge. The result is a much drier solid and significantly reduced wastewater volume.
What makes the GN screw press stand out is its fully automatic operation. It features an integrated system that includes an automatic control cabinet, a flocculation mixing tank, a sludge thickening and dewatering unit, and a liquid collection tank. The entire process—from chemical dosing to sludge thickening to dewatering—is continuous and automated, requiring minimal operator supervision. The equipment is designed for efficiency, allowing collected filtrate to be returned or discharged in a controlled manner.
The applications of the GN screw press are diverse. It is widely used in municipal wastewater treatment but is also well-suited for industries such as aquaculture, biofuels production, food processing, starch production, pharmaceuticals, chemicals, paper manufacturing, leather processing, and more. Whether it’s treating organic waste from food production or managing byproducts from industrial processes, the GN screw press provides a reliable, low-maintenance solution.
As industries face growing pressure to meet environmental standards, reduce energy consumption, and improve sustainability, equipment like the dewatering screw press is becoming more valuable. Its low energy demand, reduced chemical usage, and compact footprint make it a smart choice for modern operations focused on long-term cost savings and environmental responsibility.
At GN Solids America, we are committed to delivering practical, high-performance solutions that make sludge management simpler, cleaner, and more efficient.