Tag Archives: industrial wastewater

Diagnosing and Correcting Nutrient Deficiency in Industrial Lagoons

Nutrient deficiency, or the lack of sufficient levels of ammonia and phosphorus, can prevent an industrial wastewater lagoon from removing BOD adequately. In this episode of LDIB-TV, our own Julie Hartwig explains how to diagnose and correct industrial lagoon nutrient … Continue reading



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Winter Lagoon Optimization: Preparing for Cold Weather

Water temperature affects virtually every aspect of wastewater lagoon performance. As lagoon expert Steve Harris states in his operators’ guide, Wastewater Lagoon Troubleshooting, “Water temperature is a reliable predictor of water quality and can aid the operator in preparing for changes … Continue reading



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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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Preventing Fall Lagoon Odor Caused by Seasonal Turnover

October is here—time for football, apple cider, falling leaves, and seasonal lagoon turnover. Although less extreme than the spring transition, autumn’s cooler temperatures cause destratification and may trigger lagoon turnover and corresponding odors. In this short article, we’ll talk about the causes … Continue reading



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Lagoons Do It Better: Learn How at WEFTEC 2018 Booth #1217

We’re looking forward to seeing everyone at WEFTEC 2018 in a couple of weeks. We’ll be in Booth #1217 in Hall B2. Click on the banner at right and use our promo code, EVITES449, for a free expo registration. Stop … Continue reading



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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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Lagoon Midge Flies: How to Control Chironomids and Red Worms

Lagoon midge flies, or chironomids, are common during warm summer temperatures, and swarms of them can drive local residents indoors. Midge fly larvae, or red worms, in a lagoon provide insight into lagoon conditions and their effect on effluent quality. … Continue reading



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Land Application of Lagoon Effluent: Pros and Cons

Land application is the most common disposal method for treated wastewater in the U.S., and the preferred method in many states. Land applying effluent can reduce demand for fresh water, provide nutrients to soil, and keep potential contaminants out of … Continue reading



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Summer Ammonia Removal: Optimizing Warm-Weather Nitrification

Summer ammonia removal via nitrification is less of a challenge for lagoons than cold weather ammonia removal, as nitrifying bacteria are temperature sensitive and thrive in warmer water. The interplay between algae and bacteria, dissolved oxygen, pH, and temperature determines … Continue reading



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Frac Ponds: Treating Hydraulic Fracturing Wastewater for Reuse

Hydraulic fracturing, or fracking, is the process of injecting pressurized water, chemicals, and sand into the ground to extract shale oil and natural gas. While fracking has transformed energy production in the U.S., it requires a lot of water and thus … Continue reading



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