January 7, 2026

The Evolution of Advanced Grit Dewatering

The Evolution of Advanced Grit Dewatering

Why Grit Management Matters

Removing grit from wastewater is critical to protect pumps, valves, and downstream equipment. Without effective grit removal and dewatering, there can be: 

  • Equipment Damage: Abrasive grit wears out moving parts. 
  • Efficiency Loss: Tanks, channels, pipes, and clarifiers fill with grit, reducing capacity and operational efficiency. 
  • Costly Downtime: Emergency cleanouts cause unplanned downtime and expensive contractor work. 

 

An effective grit management system follows three steps: 

  1. Separate grit from influent flow. 
  2. Wash grit to remove organics. 
  3. Dewater grit for odor-free disposal. 

 

The Grit Snail® Advantage

Engineered by Hydro International, Grit Snail® is the industry’s only belt-driven escalator system for grit dewatering and drying. Its unique design uses a quiescent clarifier to settle fine solids, employs a pleated belt to lift grit slowly—preventing re-suspension—and delivers odor-free, dry grit ready for landfill disposal. 

With over 700 installations and a proven track record spanning four decades, Grit Snail® is trusted for high-load applications. 

 

Grit Snail® delivers a variety of benefits, including: 

  • Improved durability 
  • Higher efficiency and the highest capacity
  • Easier maintenance 

 

Ready to upgrade your grit management system?

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