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United Storm Water has been permitted with a transportable treatment unit (TTU) conditional exempt permit by the California Department of Toxic Substances Control for dewatering sludge. During the dewatering process sediment and waste material is separated from water using the DePac ™ Filtration Liner. Used with waste containers this flexible multi-layer liner dewaters sludge in a simple and cost-effective manner.
The DePac ™ Filtration Liner allows the liquid phase of the sludge to escape via a discharge valve located near the bottom of the waste container. The need for solidification agents, additional equipment and labor are eliminated. These benefits, in addition to reduced disposal volumes, result in huge savings. After the liquids have been removed, the solids remain in the container within the filtration liner and are ready for disposal.
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- Pond Sludge
- Industrial Sludge
- Storm Water Drain & Ditch Sludge
- Waste Product Washing Sludge
- Most Waste Streams Requiring Solidification
- Treat 20 cu yd, or 4500 gal
- Produces 30-40% waste reduction (based on liquid:solid ratio)
- Retains 97% of heavy metals, total suspended solids, and petroleum hydrocarbons
- Expelled water is typically compliant with National Pollutant Discharge Elimination System (NPDES) and Clean Water Act regulations
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STEP 1:
Material is offloaded into dewatering bin.
STEP 2:
Solids and water are separated using a flexible, multi-layer filtration liner.
STEP 3:
Water is sampled and expelled from the dewatering bin, and retained solids are transported for disposal.
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