Feedstocks
BS - Biosolid Waste
| Dewatered biosolids cake sould be between 18-24% solids for composting | ![]() |
Biosolids are the nutrient-rich organic materials resulting from the treatment of sewage sludge (the name for the solid, semisolid or liquid untreated residue generated during the treatment of domestic sewage in a treatment facility). EPA Definition.

Class A finished biosolid compost being removed from SV Composter.

Finished Class A biosolids compost

Kelowna, BC
Biosolids Composting in mass bed
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"…from (facility) conception—through permitting—to operations ECS has been a strong and reliable member on Barr-Tech’s team. ECS designs are innovative, flexible and compliant with today’s regulations; and will meet future regulations that are on the way. That’s comforting."Larry CondonBarr-Tech Compost FacilitySprague, WA


