Tag Archives: energy-efficient

Efficient Lagoon Aeration: The AeroHub Fine Bubble Lagoon Aerator

Fine bubble aeration is a popular method of lagoon-based wastewater treatment due to its superior oxygen transfer efficiency. Our MARS aerator adds a coarse bubble static tube to fine bubble diffusers to combine that oxygenation efficiency with turbulent mixing. Sometimes, … 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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Removing Lagoon Ammonia: 6 Key Factors for Nitrification

Strategies for removing lagoon ammonia have become a hot topic over the past few years. Many state environmental agencies have been introducing new ammonia limits for wastewater facilities, including lagoons. This is a problem because most wastewater lagoon systems were … 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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Lagoon aeration: Can you have too much?

Lagoon aeration is a topic we cover regularly, evaluating technologies, comparing partial mix vs. complete mix systems, troubleshooting low dissolved oxygen (DO) levels and the problems too little aeration can cause, like odors and sludge accumulation. But is it possible … 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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Cost-Effective Lagoon Ammonia Compliance

Ammonia in waterways can wreak havoc on the environment—disrupting aquatic ecosystems, aggravating and killing fish, and creating dead zones—so it makes sense that the EPA is seeking to regulate it. (See our article, Why Lagoon Ammonia Matters: 3 Reasons the … Continue reading



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