Tag Archives: coarse bubble

Lagoon Aeration Retrofit: A Video Lagoon Case Study

A lagoon aeration retrofit can improve treatment and save thousands of dollars in energy, operations, and maintenance costs. Replacing a coarse bubble aeration system with MARS aeration maintains the mixing performance of coarse bubbles and combines it with fine bubble … Continue reading



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Replacing Fine Bubble Lagoon Aeration: A Video Case Study

Fine bubble aeration is a popular method of wastewater lagoon treatment. A fine bubble lagoon aeration system is installed at the bottom and releases tiny bubbles that slowly rise to the surface of the water. Because the bubbles are so … Continue reading



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Replacing Coarse Bubble Aeration: A Video Lagoon Case Study

Coarse bubble aeration for lagoons has fallen out of favor, mainly because of its inefficiency compared to fine bubble aeration. While coarse bubble aeration provides excellent mixing performance, it doesn’t transfer oxygen as well as fine bubble does, requiring higher … Continue reading



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Aerated Lagoon Optimization to Reduce Energy Consumption

Energy costs for aeration represent the largest expense for a wastewater lagoon facility, so any increase in efficiency directly improves the bottom line. Since aeration systems are designed to be efficient at the lagoon’s full design capacity, they can be … Continue reading



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Lagoon Diffuser Mixing Performance: CFD Study of the MARS

We know good data leads to good decisions, so we’re always looking for ways to improve our data. Recently, we commissioned a CFD (Computational Fluid Dynamics) study of our MARS lagoon diffuser to refine our data about its performance. A … Continue reading



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CFD Modeling Lagoon Aeration: A Peek Inside the Black Box

Lagoon treatment has been referred to as a “black box” because the specific mechanisms of treatment are hidden below the surface. Computational fluid dynamics (CFD) modeling provides a peek inside this black box, demonstrating how various elements of a facility … Continue reading



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Lagoon Aeration 101: A video comparison of aeration technologies

Lagoon aeration can account for over 50 percent of energy costs, so efficiency is an important consideration in choosing aeration equipment and designing a system. In this episode of Lagoons Do It Better TV: Lagoon Aeration 101, our own Patrick … Continue reading



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Facility maximizes lagoon aeration efficiency, saves money

Replacing coarse-bubble system with MARS Aerators saves sanitary district over 40% on electricity and maintenance costs.



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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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Aerated Lagoons: 5 Design Factors to Consider

An aerated lagoon can be one of the most efficient, cost-effective, and low-maintenance methods of wastewater treatment. Because aeration can account for 50–60% of energy costs, it’s important to consider design conditions when determining the type and amount of aeration required. … Continue reading



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