Energy recovery from wastewater treatment plants in the United States: A case study of the energy-water nexus

Ashlynn S. Stillwell, David C. Hoppock, Michael E. Webber

Research output: Contribution to journalArticle

Abstract

This manuscript uses data from the U.S. Environmental Protection Agency to analyze the potential for energy recovery from wastewater treatment plants via anaerobic digestion with biogas utilization and biosolids incineration with electricity generation. These energy recovery strategies could help offset the electricity consumption of the wastewater sector and represent possible areas for sustainable energy policy implementation. We estimate that anaerobic digestion could save 628 to 4,940 million kWh annually in the United States. In Texas, anaerobic digestion could save 40.2 to 460 million kWh annually and biosolids incineration could save 51.9 to 1,030 million kWh annually.

Original languageEnglish (US)
Pages (from-to)945-962
Number of pages18
JournalSustainability
Volume2
Issue number4
DOIs
StatePublished - Dec 1 2010
Externally publishedYes

Keywords

  • Biogas
  • Biosolids incineration
  • Energy
  • Energy recovery
  • Policy
  • Wastewater

ASJC Scopus subject areas

  • Geography, Planning and Development
  • Renewable Energy, Sustainability and the Environment
  • Management, Monitoring, Policy and Law

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