AJ Axtell, Western Lake Superior Sanitary District director of community relations, talks Wednesday while standing outside of the secondary clarifier unit that recently failed. The extent of the ...

An aerial view of the WLSSD and its four secondary clarifiers in the foreground Nov. 16. The one that failed is farthest from the camera. The facility needs at least three secondary clarifiers to ...

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F. Tarud, M. Aybar, G. Pizarro, R. Cienfuegos, P. Pastén, Integrating Fluorescent Dye Flow-Curve Testing and Acoustic Doppler Velocimetry Profiling for In Situ Hydraulic Evaluation and Improvement of ...

Evolving environmental regulations have forced many coal power plant operators to re-evaluate how they handle water and ash. Many units have been retrofit with dry handling systems, but there are ...