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Sustainable Wastewater Infrastructure of the Future ( SWIFt )

May 9, 2018. Sustainable Wastewater Infrastructure of the Future ( SWIFt ). Pumping System Optimization Considerations. Two Really Old Questions!. What can we change? How much will it cost?. An equally old answer. What do you need?. That depends!. Key considerations.

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Sustainable Wastewater Infrastructure of the Future ( SWIFt )

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  1. May 9, 2018 Sustainable Wastewater Infrastructure of the Future (SWIFt)

  2. Pumping System Optimization Considerations

  3. Two Really Old Questions! What can we change? How much will it cost?

  4. An equally old answer What do you need? That depends!

  5. Key considerations What do you need to do? What will it take to do it? Effectively planning for change

  6. Common topics/questions • How can pump upgrades impact operational capability?

  7. BLUF: (Bottom Line Up Front) Pump efficiency has not improved much Motors are marginally better Savings are found in controls and proper application

  8. Pump Capacity

  9. System Requirement

  10. Managing Change

  11. Understand your system curve Use less than full-sized impellers Control with VFDs

  12. Common topics/questions • How can pump upgrades impact operational capability? • What is the cost range for pump upgrades? • Ongoing O&M needs for pump upgrades or operational improvements • The range of energy/cost savings from pump upgrades & operational improvements

  13. Daryl Cox coxdf@ornl.gov 865.574.4129

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