Benchmarking the electric intensity of small Nebraska wastewater treatment facilities

Steven Hanna, Bruce Dvorak, Mohamed Dahab, Matthew Thompson

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations

Abstract

To enable small Nebraska communities to benchmark the energy efficiency of their wastewater treatment plants, this study created electric intensity (kWh/m3) benchmarking models for small wastewater treatment plants. These allow small plants to compare themselves to other plants of similar type and size and identify what factors most significantly impact energy usage at small plants. Multiple linear regression models were created using data from small Nebraska wastewater treatment plants treating less than 5700 m3/day. Key variables found to be significant include extended aeration plant type, supplemental energy usage for sludge treatment, average flow, percent design flow, climate controlled floor area, effluent NH3-N, and influent CBOD5. These models suggest small system energy use models differ from large plant energy models and that regulations can have a significant impact on energy usage.

Original languageEnglish (US)
Title of host publicationWater Environment Federation Technical Exhibition and Conference 2017, WEFTEC 2017
PublisherWater Environment Federation
Pages697-714
Number of pages18
ISBN (Print)9781510863682
StatePublished - 2017
EventWater Environment Federation Technical Exhibition and Conference 2017, WEFTEC 2017 - Chicago, United States
Duration: Sep 30 2017Oct 4 2017

Publication series

NameWater Environment Federation Technical Exhibition and Conference 2017, WEFTEC 2017
Volume1

Other

OtherWater Environment Federation Technical Exhibition and Conference 2017, WEFTEC 2017
Country/TerritoryUnited States
CityChicago
Period9/30/1710/4/17

Keywords

  • Benchmarking
  • Electric intensity
  • Electricity usage
  • Modeling
  • Small communities
  • Wastewater treatment

ASJC Scopus subject areas

  • Pollution
  • Ecological Modeling
  • Environmental Chemistry
  • Waste Management and Disposal
  • Water Science and Technology

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