City of Seaside, Oregon Wastewater Treatment Plant Awards Centrisys/CNP Solids Handling Upgrade

    DLT low-temperature sludge belt dryer

    Upgrade will include the addition of a Centrisys/CNP USA-manufactured dewatering centrifuge and a DLT low-temperature sludge belt dryer.

    KENOSHA, Wis. (September 15, 2022) – Centrisys/CNP, a leading North American manufacturer of decanter centrifuges and advanced biosolids treatment technologies, announced it was awarded the City of Seaside, Oregon Wastewater Treatment Plant solids handling upgrade. The upgrade of the wastewater treatment plant will include a Centrisys USA-manufactured CS21-4HC dewatering centrifuge and a DLT420 low-temperature belt dryer. The upgraded equipment will replace aging dewatering and sludge drying equipment. It will allow the City of Seaside to meet Western Oregon regulations that mandate the elimination of Class B cake in landfills.

    “In the initial phase of our project, we made sure to do thorough analysis and research because this would be the first Centrisys DLT Belt Dryer installation,” said Tony Biamont, wastewater supervisor for the Seaside Wastewater Treatment Plant. “After our Kenosha, Wisconsin factory visit and meeting with the Centrisys/CNP team, we are confident we selected the right partner. Their experience with biosolids processing, equipment, service, and support, cannot be matched in the industry, and like any project, we will address challenges as they arise to ensure this upgrade will support our plant for many years to come.”

    Currently, the City of Seaside’s aging dryer faces frequent downtime, and spare parts are not readily available. The DLT low-temperature belt dryer is designed and built in the USA for simple maintenance and enhanced operator safety. The current dewatering belt press processes 365,000 gallons of wastewater a week; the new Centrisys centrifuge will process that quantity in three days – increasing capacity and lowering costs for the plant.

    The proposed plant modification includes the following:

    • Removal of existing sludge dewatering belt press
    • Removal of an aging sludge dryer and hot oil system
    • Installation and optimization of a decanter centrifuge for dewatering aerobically digested sludge (Centrisys CS21-4HC)
    • Installation and optimization of the State of Oregon’s first low-temperature belt dyer to thermally dry aerobically digested sludge (Centrisys DLT420)

    “The City of Seaside has been a leader in the state of Oregon by implementing a Class A process ten years ago, and their leadership continues with the Centrisys/CNP solids handling upgrade,” said Mark Cullington, operations manager, and vice president with Kennedy Jenks Consultants. “Many communities in Oregon are considering switching to Class A biosolids as a longer-term, viable means by which to manage their wastewater solids. With continued population growth near agricultural lands, landfills at capacity, and demand for soil amendments, a highly marketable U.S. Environmental Protection Agency Class A biosolid product makes sense.”

    For more information about Centrisys/CNP, CS Series decanter centrifuges, DLT Series sludge dryers, and recent installations, visit www.centrisys-cnp.com.

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