Aerial view of the Warren, Maine lagoon system. Photo courtesy of Woodard and Curran.

Lagoon Systems In Maine 

Lagoon
Systems In Maine
 



An Informational Resource for
Operators of Lagoon Systems

Mars Hill Wastewater Lagoon System - Mars Hill  Maine. Photo Courtesy of Wright-Pierce Engineers.
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AERATED LAGOON TECHNOLOGY

aerated lagoons

by
Linvil G. Rich
Alumni Professor Emeritus
Department of Environmental
 Engineering and Science

Clemson University - 
Clemson, SC 29634-0919 USA
Email: lrich@clemson.edu
Tel. (864) 656-5575; Fax (864) 656-0672

Aerated lagoon technology, especially that of high-performance systems, is one of the most misunderstood technology in wastewater treatment. This misunderstanding is largely the result of its evolution from the technology of facultative lagoons, in which algae play a vital role and hydraulic retention times are long. In fact, the technology of high-performance aerated lagoons has much in common with that of activated sludge. With proper design and operation, aerated lagoons can deliver effluents that meet limits of 30 mg/L, both for TSS and CBOD5. Furthermore, with modification or with the addition of low-tech process units, they can be designed to nitrify. The major advantages of aerated lagoon systems are their low cost and their minimal need for operator attention.

     The performance of aerated lagoon systems, as well as the diagnosis and remedies of their operational problems, will be the focus of a series of technical notes that will appear on this website. The notes should be of considerable value both to engineers and operators. The development of the technical notes will be a continuing activity on the part of the author and will be added to the list on this page. The notes presently available are below.

 

Technical Note 1 Effluent BOD5 - A Misleading Parameter For the Performance of Aerated Lagoons Treating Municipal Waste
Technical Note 2 Aerated Lagoon Effluents
Technical Note 3 Control of Algae
Technical Note 4 Nitrites and Their Impact on Effluent Chlorination
Technical Note 5 Aerated Lagoons for Secondary Effluent
Technical Note 6

Nitrification in Aerated Lagoons With Intermittent Sand Filters

Technical Note 7

Mixed Liquor Recycle (MLR) Lagoon Nitrification System

Technical Note 8 Facultative Lagoons - A Different Technology
Technical Note 9 Sludge Accumulation in High Performance Aerated Lagoon Systems
Technical Note 10

Ammonia Feed Back in the Sludge of a CFID Nitirification System

 

 


aerated lagoons

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