Pine Hill Run Wastewater Treatment Plant

Enhanced Biosolids Handling with Continuous Serpentix Conveyor Systems

Location: Pine Hill Run, Maryland

The Pine Hill Run Wastewater Treatment Plant needed an efficient system to move biosolids through its facility. Serpentix conveyors were installed to navigate steep inclines and confined areas while providing continuous and reliable transport. The installation reduced operational challenges, minimized manual handling, and improved the overall efficiency of plant operations.

Challenges

Needed a system that could transport sticky, gumbo-like gypsum sludge across vertical and helical paths
Risk of heavy maintenance, labor, and cleanup from traditional conveyor setups
Tramp metal contamination required inline magnetic separation before final discharge
Layout constraints between outdoor pile and elevated processing plant

Serpentix Solutions

Conveyor hauled ~15 tons/hour of screened gypsum waste via 40° incline and 90° helical turn into elevated processing building

Belt pans reinforced with stainless steel for magnet use and durability

Convoluted belt flattened at discharge for even feed into mixing and drying stages

Self-cleaning design ensured minimal residue and maintenance

Results

~100% recovery of original waste pile + reuse of rejected products

Reduced environmental footprint and restored local industrial site

Created a $2M round-the-clock recycling operation for ongoing gypsum recovery

Helped transition from high-maintenance, multi-conveyor design to compact, versatile conveying

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