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Enhanced biological phosphorus removal (EBPR) has been used for decades to remove phosphorus from municipal wastewater because it allows facilities to meet water quality goals while minimizing chemical consumption and sludge production. However, there is still substantial variability in both the practices applied to achieve EBPR and the level of soluble phosphorus removal achieved.
The objective of this research project was to develop information that can be used to help municipal wastewater treatment plants more efficiently and cost effectively remove phosphorus through EBPR processes.
This project included detailed analysis of routine water quality and operating data, field testing observations, and special studies conducted over the course of the project to evaluate the variability of EBPR, factors influencing EBPR performance, and the relationship between EBPR and the presence of glycogen accumulating organisms (GAOs).
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...
Application of Membrane Bioreactor Processes for Achieving Low Effluent Nutrient Concentrations
The overall aim of this research was to evaluate membrane bioreactor (MBR) process designs to meet low effluent nitrogen and/or phosphorus concentrations from municipal wastewater treatment...
Low Phosphorus Analytical Measurement Study
Phosphorus measurements at very low concentrations have been tested and proven to be unreliable. The establishment of stricter phosphorus discharge requirements has challenged the wastewater...
Assessing Bioavailability of Metals in Biosolids-Treated Soils
Plant-availability of metals in biosolids-treated soils may be mathematically described by Mt = C x [1 - e- (k x t)] where Mt (mg kg-1) is the...
Integrated Methods for Wastewater Treatment Plant Upgrading and Optimization
This guidance document incorporates the systematic approach for integrated capacity assessment of a wastewater treatment plant and identifying performance limiting factors. Based on evaluation by...
Towards a Renewable Future: Assessing Resource Recovery as a Viable Treatment Alternative: Case Studies of Facilities Employing Extractive Nutrient Recovery Technologies
Extractive nutrient recovery, defined as the production of chemical nutrient products devoid of significant organic matter, represents a complementary strategy for managing nutrients in multiple...
Effects of Wastewater Disinfection on Human Health
Wastewater disinfection is practiced with the goal of reducing risks of human exposure to pathogenic microorganisms. Ideally, this goal is to be met without introducing other risks, such as those...
Strategic Asset Management and Communication: Gaining Public Support - Experience with Citizen Advisory Committees
Public understanding leading to support for investment in aging water infrastructure is absolutely essential in order to close the “gap” between projected and current funding levels. In response...
Greenhouse Gas Emission and Mitigation in Municipal Wastewater Treatment Plants
Advanced wastewater treatment processes and novel technologies are adopted to improve nutrient removal from wastewater so as to meet stringent discharge standards. Municipal wastewater treatment...
Utility and Infrastructure Management Bundle
Special Offer: Utility and Infrastructure Management Bundle from IWA Publishing
Utility and Water Infrastructure Management books - Available now at over 30%...
Emergency Communications with Your Local Government and Community
Available as ebook only
Recent events including the World Trade Center attack, the anthrax scare, Ohio River flooding and the Northeast power outage clearly demonstrate the...