Tag Archives: complete mix lagoon

Lagoon Aeration System Design: Calculations and Common Pitfalls

To ensure wastewater treatment objectives are met, a lagoon aeration system design must be customized for its specific application. In this video, Patrick Hill outlines the facility details we use to calculate aeration requirements and customize a lagoon aeration system design. … Continue reading



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Wastewater Lagoon Mixing for Egg Processing: A Video Case Study

Lagoon mixing is a critical component of wastewater treatment: Robust mixing keeps BOD-consuming microorganisms in contact with the dissolved and suspended organic matter and prevents sludge buildup. Mixing is especially critical for egg processing wastewater, which is notable for high BOD and … Continue reading



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Spring Lagoon Odors: Can Lagoon Circulators Prevent Them?

Ah, Spring! The daffodils are blooming, the birds are chirping, and all the solids that settled to the bottom of the wastewater lagoon over the winter are getting dislodged, releasing sludge and gases that create spring lagoon odors. For many municipalities, the … Continue reading



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Aerated Lagoon Design: Partial Mix vs. Complete Mix

According to an EPA wastewater technology fact sheet, the purpose of wastewater aeration is twofold: to supply the required oxygen to the metabolizing microorganisms; and to provide mixing so that the microorganisms come into contact with the dissolved and suspended … Continue reading



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LRAS™ Advanced Lagoon Treatment Expands Capacity: A Case Study

Lagoons are a popular method of wastewater treatment for smaller municipalities—they are energy-efficient, easy to operate, and low maintenance. However, when a lagoon system reaches capacity or underperforms, sometimes the immediate reaction is to replace it with a mechanical plant, … Continue reading



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Iowa Lagoon Ammonia Removal: NitrOx Pilot Successful in De Soto

Like many Iowa municipalities, the City of De Soto requires an upgrade to their lagoon system to meet more stringent ammonia effluent requirements in coming years. In this article, we’ll review the conditions that led De Soto to choose to … Continue reading



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How to Prevent Wastewater Lagoon Short Circuit

It’s wintertime, the season when a wastewater lagoon is most likely to short circuit due to the disparity between the influent wastewater temperature and the ambient lagoon temperature. In a previous article, Four Causes of Wastewater Lagoon Short Circuit, we defined … Continue reading



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Four Causes of Wastewater Lagoon Short Circuit

We’ve referenced short circuiting several times as a potential cause of wastewater lagoon effluent problems. A lagoon is more likely to short circuit in the winter, when influent wastewater is warmer than the lagoon temperature, so it’s a good time … Continue reading



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3 Challenges of Egg Processing Lagoon Treatment: Mitigating High BOD, TSS and Lagoon Odors

Our previous article, Food Industry Lagoon Aeration: An Overview, discussed the challenges of food industry wastewater treatment in general; in this article, we’ll outline the three particular wastewater challenges of egg processing lagoon treatment and present solutions. The Egg Processing Lagoon … Continue reading



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Efficient Lagoon Aeration: Part III Layout Design

A big part of designing an efficient lagoon aeration system involves how aeration infrastructure fits into the project site. Length of header, location of power, and number and type of aerators are all examples of important considerations that can affect … Continue reading



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