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Technical Bulletin
C. E. Tharp, P.E. October 15, 2020

Field Performance of Fine and Ultra Fine Bubble Diffusers

History – Coarse, Medium, Fine Bubble Diffusers

Diffuser efficiencies are generally measured in clean water to allow basis of comparison of..

Technical Bulletin
C. E. Tharp, P.E. September 14, 2020

High Efficiency Diffusers vs Surface Aerators

TECHNICAL BULLETIN 162 | High Efficiency Diffusers versus Surface Aerators

EDI (Environmental Dynamics International) has engineered systems that..

Technical Bulletin
C. E. Tharp, P.E. September 11, 2020

Energy Smart Designs

TECHNICAL BULLETIN 158 | Energy Smart Designs

It is common knowledge in wastewater treatment plants that the energy consumption of the plant is..

floating lateral  Extreme Cold
Tahmid Hasan August 12, 2020

Floating Lateral Successful Operations


EDI Advanced Technology lagoon aeration systems offer robust solution for severe weather operations. EDI personnel are continuously asked about..

Technical Bulletin
C. E. Tharp, P.E. August 10, 2020

Testing Pipe Support Spacing

Aeration system pipe supports are typically spaced in the industry to provide long-term performance and service of aeration piping systems. In the..

Technical Bulletin  Diffuser  Aeration  Fine Bubble Aeration  Flexair  Fine Bubble Diffusers
C. E. Tharp, P.E. July 27, 2020

Comparison of Flat Panel to MiniPanel Diffuser

EDI recognizes that panel diffusers have high efficiency. With this in mind we have created Mini-Panel devices as alternatives to the flat panel..

Technical Bulletin
C. E. Tharp, P.E. July 20, 2020

Analysis of Panel Diffuser Technologies

Technical Bulletin 174: Analysis of Panel Diffuser Technologies

The emphasis on reducing total cost of ownership of biological wastewater..

Technical Bulletin
C. E. Tharp, P.E. July 16, 2020

Optimization of Diffuser Systems

TECHNICAL BULLETIN 153 Optimization of Diffuser Systems

Diffused Aeration System Performance Optimization

Operation of aeration systems for..

Aeration  Air Pressure  Aeration Works
Tahmid Hasan June 18, 2020

Sludge Removal and Diffuser Membrane Replacement WWT Lagoon at Proccessing Plant


In 1999, Environmental Dynamics International (EDI) installed a partial mix, submerged aeration system with EDI’s FlexAir™ MagnumTM Fine..

Aeration Works  Discharge Limits  upgrade
Tahmid Hasan June 2, 2020

AW System Upgrade at Bridgeport CT EDI Keeps Solving Unique Challenges

The City of Bridgeport, CT is another example of EDI’s ability to provide unique solutions to its clients.

The city is part of ‘Long Island..

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