Mass Transfer Characteristics of Floating Media in MBBR and IFAS Fixed-Film Systems
The goals of this project were to establish a standard protocol for measuring mass transfer rates in biofilm media, and to use the resulting data to develop and calibrate an empirical model. Two...
Identification of Barriers to Energy Efficiency and Solutions to Promote These Practices
Successful deployment of energy efficiency initiatives may be increased by recognizing barriers and advancing strategies that overcome them. A national survey recently collected input on barriers...
Research Digest: Decision Analysis/Implementation Guidance Asset Management Tools Development, Phase 3
In 2006, at the direction of its members through a series of facilitated national focus groups, WERF launched a multi-year research and development project to...
Fate of Engineered Nanomaterials in Wastewater Biosolids, Land Application, and Incineration
Laboratory experiments were conducted using two types of well characterized ENMs, including ENMs of similar size but different surface functional group and ENMs...
21st Century Water Asset Accounting: Implications Report
Green infrastructure, the use of soil, vegetation, and other natural landscape features to manage and treat water, is increasing in popularity as an alternative to traditional “grey”...
Solids Role in Tertiary Chemical Phosphorus Removal by Alum
The need to control and remove phosphorus (P) in discharges from wastewater treatment facilities (WWTF) to prevent eutrophication of receiving waters is well known. Regulatory initiatives are...
21st Century Water Asset Accounting: Case Studies Report
U.S. water utilities are grappling with a diverse suite of challenges. Aging water infrastructure, changing weather patterns, rising demand for clean water, higher water treatment costs, and other...
Automatic Vacuum Flushing Technology for Combined Sewer Solids
Available as eBook only
An extensive literature review on existing sewer sediment flushing technologies was conducted. The innovative vacuum flush system recently developed...
Condition Assessment for Wastewater Pipelines: Synthesis Report
The research results presented in this report were compiled to provide a clearer understanding of the state of the technology for wastewater pipeline condition assessment methodologies and...
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...