WERF Report 02-CTS-1
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Ebook only
Available as an ebook
Please purchase via www.iwaponline.comOpens in new window
Also part of Water Intelligence Online Digital Reference Library
Standard ePrice: £28.00
+ VAT
This project addresses the successful nitrogen and phosphorus removal technologies being implemented at existing wastewater treatment plants (WWTPs), some key challenges and knowledge gaps in implementing technologies, research needs to improve the existing methods and technologies to achieve low total nitrogen (TN) and total phosphorus (TP) effluents (TN <5 mg/L and TP< 0.5 mg/L). Technology and cost assessment of successful technologies for TN and TP removal on a sustainable basis was accomplished by using a “threshold limit” approach to categorize technologies for different effluent TN and TP limits based on desired criteria.
Membrane-based process applications were selected among advanced treatment processes for N and P removal from wastewater at pilot and lab scale technology demonstration studies. The investigations included membrane bioreactor application for N and P removal from wastewater, centrate treatment, and to achieve simultaneous nitrification and denitrification. The results indicated membrane based applications are attractive methods for achieving low TN and TP effluents, but supplementary chemical addition is needed depending on the wastewater characteristics. Full scale implementation of step feed BNR with chemical P removal was demonstrated as a successful technology transfer application at John Egan Wastewater Reclamation Plant of Metropolitan Water Reclamation District of Greater Chicago (MWRDGC).
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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...
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The development of this WERF anaerobic digester (AD) foaming guidance document is based on the need for a specific detailed methodology that water reclamation and recovery facilities (WRRF)...
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This report presents the results of an evaluation of technologies that may result in less biomass production in activated sludge processes. The report summarizes the results of a comprehensive...
Today there is increasing pressure on the water infrastructure and although unsustainable water extraction and wastewater handling can continue for a while, at some point water needs to be managed...
The purpose of this project was to develop a methodology for deriving site-specific nutrient criteria (SSNC) for surface waters, including streams and rivers, lakes and reservoirs, and coastal...
The lack of knowledge on the performance of innovative wastewater rehabilitation technologies, specifically for large-diameter pipes, and the limited ability to determine the...
The Water Environment Research Foundation (WERF) Nutrient Challenge Research Program and the Water Environment Federation (WEF) cooperated in a comprehensive study of nutrient removal plants...