Research Project Information

Research Project Summary Information

Developing Fluidized Bed Reactor technology for nutrient removal at municipal WWTPs(23146)

EMG International, Inc.


To reduce the adverse effects of nutrient over-loading to surface water bodies, the US EPA has developed more stringent effluent limits for nitrogen and phosphorus for point source dischargers, such as municipal wastewater treatment plants (WWTPs). To achieve these lower effluent limits, WWTPs have begun to look beyond conventional treatment technologies. Biological Nutrient Removal (BNR) targets the removal of Total Nitrogen (TN) and Total Phosphorus (TP) from wastewater streams through the use of micro-organisms maintained under different environmental conditions in discrete sections of the treatment process. A typical BNR process includes an aerobic zone followed by an oxygen-deficient (i.e., anoxic) zone. Bacteria in the aerobic zone reduce the five day biological oxygen demand (BOD5) of the wastewater, and subsequently convert the nitrogen into forms that can be removed by the bacteria in the anoxic zone. Currently, there are various fluidized bed reactor (FBR) systems in the US: anaerobic systems for treating food and beverage industry wastewater, and aerobic systems for treating contaminated groundwater (e.g., MTBE, BTEX).

Map Error

Project Description

This project will demonstrate the feasibility of using FBR BNR technology for removal of nitrogen and phosphorus from municipal WWTP wastewater streams.


Environmental compliance (with nutrient removal regulations). Fifteen to 20% more energy efficient than conventional nutrient removal technologies. Reduced chemical requirements.

Project Results


EMG International, Inc.
160 Paxton Hollow Road P.O. Box 1600
Media, PA 19063

Principle Investigator

Manaf Farhan

Universities Involved


Project Type:

Product Demonstration

Technologies Types:

Waste Management and Pollution Prevention
Water/Wastewater treatment systems

NYSERDA Contact Information

Kathleen O'Connor


R&D - Environment & Energy Res

Contract Details

Start Date: 12/8/2011
Project Status: Active
Contract Number: 23146

Last Updated: 5/20/2013