Improving Digester Performance With Direct Steam Injection Heater

A case study from a midwestern municipal sewerage district shows how Hydro-Thermal's Non-Obstructive Heater helped reduce plugging and emergency work orders while optimizing the acid digestion process

Improving Digester Performance With Direct Steam Injection Heater

Problem: A midwestern municipal sewerage district faced significant issues with its acid-phase steam injector units, including frequent plugging, high labor, and parts costs, and disruptions to the digestion process. District staff sought to reduce downtime and operating costs. 

Solution: Hydro-Thermal developed an unrestricted flow solution called the Non-Obstructive Heater, allowing larger solids to pass through without causing blockages. The units fit the original footprint with minimal piping modifications.

Result: The system significantly reduced plugging and emergency work orders while optimizing the acid digestion process. This reduced labor and maintenance costs. Without the project, plugging would have continued. The Hydro-Thermal NOH improved digester performance and reduced operating costs. 800-952-0121; www.hydro-thermal.com



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