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The Role of Sulfides in Anaerobic Digesters

by Erik Rumbaugh | Apr 3, 2025 | Anaerobic digester, Wastewater Troubleshooting

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 natural, the accumulation of sulfides can have...

Understanding Nitrite Lock in Wastewater: A Disrupted Nitrification Process

by Erik Rumbaugh | Mar 19, 2025 | Uncategorized

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 a cornerstone of...

Biological Phosphorus Removal in Wastewater Treatment Plants

by Erik Rumbaugh | Mar 12, 2025 | Biological Nutrient Removal

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 and sustainable method used in wastewater treatment plants...

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

by Erik Rumbaugh | Feb 26, 2025 | Filamentous Bulking, Uncategorized, Wastewater Troubleshooting

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. Let’s dive into how filamentous bacteria contribute to...

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

by Erik Rumbaugh | Feb 12, 2025 | Biomass Optimization, Filamentous Bulking, Sludge

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 can age and transform into what is known as “old...
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Recent Posts

  • The Impact of Quaternary Ammonium Compounds (QACs) on Wastewater Biomass and the Role of Biochemistry in Managing QAC Degradation and Toxicity
  • Bridging the Gap: How Polyvalent Cations Strengthen Wastewater Treatment
  • Why Wastewater Turns Septic—and What It Means for Treatment Plants
  • 💧 Why Influent TKN Matters More Than Just Ammonia in Wastewater Treatment
  • The Hidden Universe: Understanding Microbial Dark Matter

Recent Comments

  1. Erik Rumbaugh on Paracoccus: Important organisms for denitrification and sulfide oxidation in wastewater treatment systems
  2. Marco Meade on Paracoccus: Important organisms for denitrification and sulfide oxidation in wastewater treatment systems
  3. Erik Rumbaugh on Energy-Efficient Mixing: Large Air Bubbles in Anoxic Zones for Enhanced Denitrification
  4. Ryszard on Energy-Efficient Mixing: Large Air Bubbles in Anoxic Zones for Enhanced Denitrification
  5. Erik Rumbaugh on Differences in aeration system Oxygen Transfer Efficiency (OTE) and why it is important to wastewater treatment

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