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Technical articles on biomass management, molecular diagnostics, and biological wastewater treatment.

Apr 24, 2025

Why Protozoa Tell Us So Much About Wastewater Treatment

Wastewater treatment plants are complex ecosystems with many forms of microscopic life. While bacteria are the primary workhorses, breaking down pollutants, a diverse community of other microorganisms, particularly protozoa, plays …

Apr 21, 2025

Paracoccus: Important organisms for denitrification and sulfide oxidation in wastewater treatment systems

When running Microbial Community Analysis tests wastewater treatment systems some organisms are seen at very high frequencies. Among them most interesting genera is Paracoccus. We see this organism in municipal, …

Apr 13, 2025

Critical Microorganisms in Wastewater Treatment Plants: Understanding how functional groups are used to monitor biomass composition

Biological wastewater treatment units contain an ecosystem where diverse organisms collaborate to treat the wastewater. These microbial communities play essential roles in removing pollutants, recycling nutrients, and maintaining water quality. …

Apr 7, 2025

Exploring Syntrophic Bacterial Relationships in Wastewater Treatment

Biological wastewater relies on multiple microbial communities working together to break down pollutants and recycle nutrients. Among these microbial interactions, syntrophic relationships stand out as a cornerstone of efficient wastewater …

Apr 3, 2025

The Role of Sulfides in Anaerobic Digesters

Sulfides are primarily produced through the activity of sulfate-reducing bacteria (SRB). These microorganisms use sulfate as an electron acceptor, generating hydrogen sulfide (H₂S) as a byproduct. While this process is …

Mar 19, 2025

Understanding Nitrite Lock in Wastewater: A Disrupted Nitrification Process

Wastewater treatment is a carefully orchestrated process where microbial communities play a critical role in transforming harmful compounds into less hazardous forms. Among these transformations, nitrification—a two-step aerobic process—stands as …

Mar 12, 2025

Biological Phosphorus Removal in Wastewater Treatment Plants

Phosphorus is a critical nutrient that, in excess, can lead to eutrophication in water bodies, causing harmful algal blooms and deteriorating water quality. Biological phosphorus removal (BPR) is an effective …

Feb 26, 2025

The Role of Filamentous Bacteria in Wastewater Treatment: Not All Bad

When it comes to wastewater treatment, filamentous bacteria often get a bad rap. However, these microorganisms play a crucial role in the treatment process, especially when present in moderate numbers. …

Feb 12, 2025

Old Sludge – what is it and why is it a problem for wastewater treatment

In wastewater treatment plants, biomass solids is a byproduct of the treatment process. It consists of a mixture of organic and inorganic materials, microorganisms, and bound water. Over time, sludge …

Jan 23, 2025

Unleashing the Power of Postbiotics in Wastewater Treatment

You have probably read about probiotics (bioaugmentation) and prebiotics being used in wastewater treatment, postbiotics are another less talked about potential tool available for optimizing your biomass performance. Postbiotics application …

Dec 10, 2024

Differences in aeration system Oxygen Transfer Efficiency (OTE) and why it is important to wastewater treatment

For aerobic wastewater treatment systems, maintaining Dissolved Oxygen levels is key to efficient treatment. Operating a combination of blowers or surface aerators represents a significant use of energy/utility costs. Picking …

Dec 6, 2024

Simultaneous Nitrification – Denitrification (SNdN) – Advantages & challenges with this technology

Simultaneous Nitrification-Denitrification (SNdN) is an advanced process used in wastewater treatment to remove nitrogen compounds. Here’s a detailed look at how it works: Process Overview: Nitrification: This involves the biological …

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