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The overall goal of this energy project is to aid water resource recovery facilities in quickly assessing their energy management performances (benchmarking) and move toward “net-zero” energy use through proven and available practices and technologies in the areas of energy conservation, demand reduction, and enhanced production. This project provides WERF subscribers with information on baseline energy performance for common wastewater treatment plant configurations and on opportunities for demand reduction, energy efficiency, and energy recovery/on-site energy production.
The guiding principle behind net-zero energy was that neutrality had to be achieved by harnessing the energy contained in the wastes treated. Following this principle removed wind and solar power from consideration. These energy sources may contribute to a facility’s energy performance, but they are unrelated to the embedded energy contained in waste streams at a water resource recovery facility (WRRF).
The results from this project confirm the hypothesis that energy-neutral wastewater treatment is within reach for a significant number of facilities via proven and available technologies.
WERF Report: ENER1C12
Also available as part of your Water Inteligence Online subscription
Utilities of the Future Energy Findings
In 1996, the Electric Power Research Institute (EPRI) published a report entitled Water and Wastewater Industries: Characteristics and Energy Management Opportunities which described how...
Triple Bottom Line Evaluation of Biosolids Management Options
The overall goal of this energy project was to aid water resource recovery facilities (WRRF) in moving toward “net-zero” energy use through near-at-hand practices and technologies in the areas of...
An Evaluation of the Functions and Effectiveness of Urban Riparian Forest Buffers
This project was undertaken to evaluate the effectiveness of urban riparian forest buffers for a number of potential functions. States and local jurisdictions are increasingly requiring riparian...
Influent Constituent Characteristics of the Modern Waste Stream from Single Sources
Available as eBook only
This research project characterized the composition of modern single residential source onsite raw wastewater and primary treated effluent (i.e.,...
Improved Protocol for Classification and Analysis of Stormwater-Borne Solids
A large portion of impaired waterways are located in or near urban areas and are adversely influenced by stormwater-borne solids. The solids have negative impacts on receiving water systems...
Producing Class A Biosolids With Low-Cost, Low-Technology Treatment Processes
Class A biosolids can be produced using low-cost, low-technology biosolids treatment processes including lagoon storage, air drying, and cake storage. This project reviewed the available...
Development of a Microbial Fuel Cell for Sustainable Wastewater Treatment
Microbial Fuel Cells (MiFCs) are a promising renewable energy technology, but suffer from low power densities which hinder their practical applicability. In this work, flame deposited, carbon...
Best Practices for Sustainable Wastewater Treatment: Initial Case Study Incorporating European Experience and Evaluation Tool Concept
The primary goal of the Optimization Challenge is to develop an approach that will allow the wastewater sector to achieve treatment goals while reducing the resources expended by 20% or more. The...
Whole Effluent Toxicity Testing
Under the National Pollution Discharge Elimination System (NPDES), many municipal and industrial wastewater treatment facilities must perform Whole Effluent Toxicity (WET) Testing. Regulatory...
Characterizing Mechanisms of Simultaneous Biological Nutrient Removal During Wastewater Treatment
Simultaneous biological nutrient removal (SBNR) is the removal of nitrogen and/or phosphorus in excess of that required for biomass synthesis in biological wastewater treatment systems where there...