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WERF and NYSERDA, in conjunction with Brown and Caldwell, Black & Veatch, Hemenway Inc., and NEBRA, are leading a research project to determine the following:
The answers to the questions above were sought by working with hundreds of utility personnel across the United States who have different experience levels with anaerobic digestion and CHP systems and from facilities that vary in size. To determine the barriers that utilities face in implementing renewable energy projects from biogas, the project team used an online survey and focus groups to gather data and develop hypotheses about the barriers. This report presents the findings of the project. The overall goal of the project is to educate the industry about the barriers – perceived or otherwise – and methods to overcome them to increase biogas-generated renewable power at WWTPs.
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Developing a Standardized Protocol for Assessing the Biodegradability of Trace Organic Contaminants
This work was performed to better understand the factors that impact trace organic compound (TOrC) biodegradation kinetics in mixed microbial cultures. To accomplish this goal, optimized short-...
Optimizing Filtration and Disinfection Systems with a Risk-Based Approach
Treated wastewater effluents contain high concentrations of particles; many of these particles are large (with diameters greater than 100 μm) and consist of densely-packed bacterial cells. ...
Demonstrated Energy Neutrality Leadership: A Study of Five Champions of Change
The purpose of this report is to create an opportunity for water resource recovery facility (WRRF) energy managers to learn from the experiences of their peers. The five case studies presented in...
Holistic Assessment of Trace Organic Compounds (TOrC) in Wastewater Treatment
A study of trace organic compound (TOrC) reactivity to selected, advanced wastewater treatment processes was conducted as part of a demonstration-scale pilot study. The pilot facilities consisted...
Nutrient Management: Regulatory Approaches to Protect Water Quality
Utilities work with regulators to treat wastewater to levels that protect human health and ecosystems. Water quality criteria and permits are based on scientifically defensible and shared...
Scientific Review of Cyanide Ecotoxicology and Evaluation of Ambient Water Quality Criteria
The U.S. EPA’s current ambient water quality criteria (AWQC) for cyanide were developed in 1984. However, since 1984 new scientific information on cyanide toxicity and chemistry has been published...
Water Infrastructure Asset Management Primer
Water infrastructure systems are essential for sustaining societal quality of life. However, they face a variety of challenges and potential threats to sustained performance, including ageing,...
Testing Diagnostic Tools for Trace Organic Compounds and Multiple Stressors: Case Studies
Utility Benchmarking and Regulation in Developing Countries
Utility performance, especially in developing countries is still working toward the standard necessary to deliver best practice. Utility Benchmarking and Regulation in Developing Countries...
Nitrogen Removal and Sustainability of Vertical Flow Constructed Wetlands for Small Scale Wastewater Treatment
The goals of environmental sustainability, through minimizing resource use, maximizing energy efficiency, reducing waste emissions, enabling recycling, and increasing resilience are becoming...
Guidelines for Utilities Wishing to Conduct Pilot-Scale Demonstrations
As stewards of public funds, Water Resource Recovery Facilities (WRRFs) can be conservative in their approach to new technologies and processes, which hinders the advancement of technology and...
Use of Novel Techniques to Quantify Phenotypes in Biological Treatment Process
This research attempts to evaluate nitrification treatment performance in combined carbon/nitrogen municipal wastewater reactors using traditional physical/chemical methods and modern molecular...