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Case Studies

Case Study: Primary Clarifier Scum Mixing

“All Clarifiers Should Not Be Without!”   Problem: The wastewater utility had to monthly manually vactor out the scum that accumulates from fats, oils and grease trapped in the primary scum trough which was costly, odorous and messy. The existing scum pumps would only pump out the clear liquid beneath leaving a floating scum mat Read More

Olathe KS wastewater expansion utilizes Flygt and Sanitaire equipment in Biological Nutrient Removal with Fermenter

Cedar Creek WWTP in Olathe, KS now has the first robust treatment system for nitrogen and phosphorus removal in the country, after a 1.5 million gallon per day (MGD) wastewater treatment facility expansion brought the hydraulic capacity of the plant to 5.25 MGD.  The goal of the expansion was to reduce the frequency of wet Read More

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UGSI – Project Profile Polyblend® Mechanical Polymer Activation System Significantly Outperforms Hydraulic Polymer Mixing Unit at Yucaipa Valley Water District Recycling Facility

Henry N. Wochholz Regional Water Recycling Facility (WRWRF) at the Yucaipa Valley Water District (YVWD) is an 8 MGD plant consisting of primary, advanced biological secondary and tertiary treatment with advanced total nitrogen removal. Always interested in enhanced treatment performance, the YVWD staff members recently examined the polymer use of the existing dewatering belt filter Read More

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Biological Nutrient Removal Workshops in Iowa a Success!

  JCI Industries, Inc. thanks the Des Moines Metro Wastewater Department and the Cedar Rapids Water Department for hosting these popular and successful BNR workshops in December. The Biological Nutrient Removal workshops, co-sponsored by Evoqua Water Technologies, showcased the following technologies: Simultaneous Nitrification Denitrification (SND), High Performance Clarifiers, and Ballasted Settling Technologies. Topics included a Read More