Emerson completes WDPF®-to-Ovation® control system migration at largest water recycling plant of its kind in the United States

1009-WestBasin

Migration to Emerson’s Ovation® control technology at the West Basin Municipal Water District’s Edward C. Little Water Recycling Facility (ECLWRF) in El Segundo, Calif., supports plant expansion necessary to meet the region’s growing reliance on recycled water.

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Grace Capwell
Emerson Automation Solutions
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Grace.Capwell@emerson.com


Migration to Ovation® control technology at Edward C. Little Water Recycling Facility supports plant expansion necessary to meet the region’s growing reliance on recycled water

PITTSBURGH (October 13, 2009) — Emerson Process Management announced today it has successfully completed a WDPF®-to-Ovation® control system migration project at the West Basin Municipal Water District’s Edward C. Little Water Recycling Facility (ECLWRF) in El Segundo, Calif. 

The facility treats secondary effluent conveyed via the District’s Hyperion Secondary Effluent Pump Station located at the Hyperion Wastewater Treatment Facility. Through advanced purification technologies – including microfiltration, reverse osmosis, and UV light and peroxide treatment – ECLWRF makes five different qualities of “designer” water – the only treatment facility in the country to do so, according to the district. Use of this water ranges from irrigation to ultra-pure water for high-and low-pressure boiler feeders and cooling towers, as well as recycled water that supplies the area’s seawater intrusion barrier. Providing more than 30 million gallons of recycled water throughout the South Bay every day, West Basin replaces enough drinking water to supply 60,000 households annually. 

The project, in which Emerson’s previous-generation control technology was migrated to the state-of-the-art Ovation expert control system, supports a plant expansion – the fifth expansion since the facility was built in 1994 – that is necessary to meet the needs of the region. Emerson worked with West Basin, as well as its on-site construction management contractor to successfully complete the project.

Emerson’s Ovation expert control system now monitors and controls microfiltration processes at the ECLWRF as well as three satellite facilities:

  • A nitrification plant that treats Title 22 effluent from the ECLWRF and distributes it to a refinery for use in its cooling towers.
  • A facility that treats Title 22 effluent from the ECLWRF, using it for low-and high-pressure boiler feeds and cooling tower processes at another refinery.
  • A regional water recycling facility that treats Title 22 effluent from the ECLWRF and transmits it for use at a third refinery.

For this comprehensive migration project, Emerson supplied a total of 17 Ovation controllers and 19 workstations. Separate Ovation highways at each site are networked together, enabling operators to monitor and control processes at the satellite facilities from a central location – the ECLWRF – resulting in enhanced efficiency. In all, the Ovation systems manage nearly 20,000 I/O points. The project was executed in phases, ensuring that there was no disruption in plant operation and service to the district’s municipal, commercial and industrial customers.

Emerson’s Ovation system allows a straightforward migration path for users of its previous- generation WDPF system. This proven, economical alternative to complete system replacement offers WDPF customers the latest technology while allowing them to retain much of their existing control system investment, including control logic, graphics, I/O cards, field cabling and terminations.

”We were looking for a robust control solution that could accommodate not only a plant of this capacity, but also the complexity of producing five customized water types,” said Don Zylstra, senior water resources engineer, West Basin Municipal Water District. “Not only has the new Ovation system greatly increased the number of available I/O points, it has also improved the communication and visibility of plant processes taking place at satellite facilities,” continued Zylstra, adding that West Basin’s ability to keep some of its existing investment in Emerson’s previous-generation control technology was another major factor in the District’s decision. 

West Basin joins such other major metropolitan areas as Chicago, Detroit, San Diego and Washington, D.C., to name just a few – that rely on Emerson’s automation and control solutions to help them ensure cleaner, safer water supplies, reduce environmental hazards and improve operational efficiency. 

“We are pleased to continue our long relationship with West Basin Municipal Water District, and are particularly gratified to be associated with what is one of the country’s largest water recycling facilities,” said Bob Yeager, president of the Power & Water Solutions division of Emerson. “Migration to our Ovation technology offers the District the best of both worlds – a solution that is economical, yet also ensures that they are able to accommodate their evolving needs well into the future.”

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Emerson (NYSE: EMR), headquartered in St. Louis, Missouri (USA), is a global technology and engineering company providing innovative solutions for customers in industrial, commercial, and residential markets. Our Emerson Automation Solutions business helps process, hybrid, and discrete manufacturers maximize production, protect personnel and the environment while optimizing their energy and operating costs. Our Emerson Commercial and Residential Solutions business helps ensure human comfort and health, protect food quality and safety, advance energy efficiency, and create sustainable infrastructure. For more information visit Emerson.com.

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