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Corrective Action or Move to a New Back Yard

Corrective Action or Move to a New Back Yard

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Corrective Action or Move to a New Back Yard

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  1. Corrective ActionorMove to a New Back Yard Co-authors: Ken Mason City of Louisville Dan Peters San Juan Engineering Paul Bonnici Montgomery Watson Harza Presented by: Kevin Clark Pinery Water & Wastewater District

  2. + = Biosolids Amendment • Press Solids 15% to 20% Dry • Dried Biosolids 75 % to 80% Dry • Mixture is Now 40% to 45% Dry • Low Odor & Ready to Compost

  3. Winter Operations

  4. Composting

  5. Public Education • You Must Believe In Product You Will Be Tested • Imagine Taking A Gallon Of Effluent • Biosolids Present The Same Challenges Plus a Few Surprises

  6. 1991 to 2000 7 ODOR Complaints 2001 50 ODOR Complaints PUBLIC INPUT • 2002 • 9 ODOR Complaints • 5 During North Wind Condition

  7. Options • No Change • Use Contractor Haul off Site • Cover Process Building • Other Residential Users • 1998 3 • 1999 3 • 2000 30 • 2001 75 • 2002 77 (35 new 7 months)

  8. Cost Analysis Per Dry Ton

  9. Weather Data Think Ahead • Temperature • Humidity • Wind Direction • Wind Speed • Precipitation

  10. NEW SOURCE X CHATEAU CREEKSIDE MOLLY WWTP N

  11. Biofilter • Top Soil $110.00 • Biosolids No Charge • Course Sand $90.00 • Lime $325.00 • Peat Moss $547.00 • Wood Chips $300.00

  12. Fence $180.00

  13. Blowers $415.00 each • Electrical Equipment $1520.00 • Piping Material $270.00 • 1 1/2” Rock $62.00

  14. Project Cost $3,396.00

  15. Air Flow TO Biofilter From Atmosphere

  16. 46oF 128oF

  17. Temps Pre Aeration & Post Aeration • 160 oF • 142 oF • 124 oF • 112 oF • 152 oF • 156 oF • 152 oF • 152 oF • 136 oF • 134 oF • 154 oF • 168 oF 20 minutes of Aeration Forward & Reverse (3hrs./Day Winter Avg.)

  18. ODOR Odor Gone Low Wind

  19. ODOR Odor Gone High Wind

  20. Odor Gone Phase 2

  21. Annual Operational Expenses • Black Drain Pipe • Misc. Fittings • Bark for air Distribution • Tarp Covers • Sand Bags • Annual Expense $790.00

  22. IN <.25” <.75” >.75” Screening of Product

  23. Finished Product

  24. At the very least a lot more plentiful ! ??? Questions ???