Fairfield is preparing for improvements to its wastewater treatment plant’s aeration system, which ensures the city continues to meet all state and federal environmental requirements. Hazen and Sawyer ...

Several new tools, including the Activated Sludge Model No. 2 (ASM No. 2) developed by the International Association on Water Quality, are becoming available to analyze the nutrient removal capability ...

The concentration of mixed liquor suspended solids (MLSS) in aeration tanks affects the required aeration tank volume and the surface area required for secondary settling. As the MLSS increases, the ...

Researchers have developed a simplified, sustainable method of converting sewage sludge from wastewater treatment into high-value activated carbon that can be used in a wide range of industrial and ...