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Equipment Pre-Selection Biosolids Dewatering Screw Presses


Location
Utah
Publication Date
06/05/2019 05:44 AM EDT
Closing Date
07/05/2019 10:00 AM EDT
Issuing Organization
City of Salt Lake City
Solicitation Number
Description

Specifications include, but are not limited to: 1. Screw press feed biosolids temperature = 60°F at average flow and 48°F at maximum flow; 2. Biosolids dewatering system solids loading rate = 3,900 lb/hr; 3. Operating hours: 24 hours per day and 5 days per week based on Phase 1 maximum week loading; 4. Biosolids feed concentration = between 1.5 and 4% TS; 5. Biosolids volatile solids content (VS/TS) = 60 to 70%; 6. Biosolids dewatering system volumetric loading = 310 gpm at 2.5% TS in the feed; 7. Minimum dewatered biosolids concentration = 20% TS 8. Solids capture as defined by Section 2.07 of Specification Section 44 46 16 is greater than 95%; and 9. A maximum active polymer consumption of 30 pounds per dry ton of biosolids feed. Polymer will be a dry polymer.

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