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Maximizing Nitrification Efficiency in Cold Climates: The Advantages of MBBR Retrofits for Wastewater Treatment Plants

by Erik Rumbaugh | Oct 30, 2025 | Biofilms, Biological Nutrient Removal

Wastewater treatment plants (WWTPs) are increasingly required to meet stringent inorganic nitrogen discharge limits, necessitating reliable year-round ammonia oxidation and denitrification. Integrating biofilm-based technologies, such as Moving Bed Biofilm Reactors...

Persistent Household Chemicals in Wastewater Treatment

by Erik Rumbaugh | Oct 20, 2025 | Wastewater Troubleshooting

Domestic wastewater is a complex mixture of organic and synthetic compounds. Its overall strength is typically assessed using indicators like BOD₅ (Biochemical Oxygen Demand), COD (Chemical Oxygen Demand), and TOC (Total Organic Carbon). Within this mix are readily...

Toxic Impacts: Key Chemicals That Undermine Wastewater Treatment Efficiency

by Erik Rumbaugh | Oct 14, 2025 | Wastewater Troubleshooting

We are often asked about the impact of various chemicals on wastewater treatment plants. Over the years, we have compounded a list of the primary industrial chemicals that inhibit the growth and activity of microorganisms in wastewater treatment systems, leading to a...

Preparing for Winter Wastewater Operations: The Sludge Age Balancing Act

by Erik Rumbaugh | Oct 12, 2025 | Uncategorized

As temperatures drop, wastewater treatment plants face a seasonal challenge that’s as subtle as it is critical: maintaining the delicate balance between nitrifying bacteria and filamentous organisms. Winter operations demand longer sludge ages to support...

The Impact of Quaternary Ammonium Compounds (QACs) on Wastewater Biomass and the Role of Biochemistry in Managing QAC Degradation and Toxicity

by Erik Rumbaugh | Oct 6, 2025 | Uncategorized

Quaternary Ammonium Compounds (QACs) are commonly found in disinfectants, detergents, and personal care products. Their extensive use has led to increased concentrations in wastewater. To better understand how this impacts biological wastewater treatment, let’s...
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Recent Posts

  • Maximizing Nitrification Efficiency in Cold Climates: The Advantages of MBBR Retrofits for Wastewater Treatment Plants
  • Persistent Household Chemicals in Wastewater Treatment
  • Toxic Impacts: Key Chemicals That Undermine Wastewater Treatment Efficiency
  • Preparing for Winter Wastewater Operations: The Sludge Age Balancing Act
  • The Impact of Quaternary Ammonium Compounds (QACs) on Wastewater Biomass and the Role of Biochemistry in Managing QAC Degradation and Toxicity

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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