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HIGH PERFORMANCE WATER TREATMENT

RODI Systems Blog

Project Spotlight: Cajun Controls LLC

12/5/2019

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Client: Cajun Controls LLC
Location: Port Arthur, Texas, USA
Application: Reverse osmosis brackish water treatment for boiler feed
Cajun Controls, LLC was searching for a mobile reverse osmosis desalination plant capable of producing 2,000,000 gallons per day of permeate, used to feed boilers in a petroleum refinery.
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Space restrictions at the client’s site required that the system be compact and easy to position into the tight space. RODI Systems executed the design and construction of a mobile reverse osmosis desalination system and provided a multi-disciplined startup team on site to expedite installation and commissioning.

​The system is comprised of four separate 500,000 gallon per day trains. Each train is housed in a 40 ft intermodal shipping container. Each train is fed by three vertical centrifugal high-pressure pumps, each representing 50% of full capacity. The pumps are piped in parallel, thus allowing 50% standby pumping capacity.

Each train consists of fifteen 8” diameter pressure vessels, each equipped with seven 8” x 40” thin film composite membrane elements. The vessels are arranged in a 2:1 array. Isolation valves in the stainless steel vessel manifold allow a portion of the vessels to be isolated during cleaning thus lowering the volume and horsepower requirements for the cleaning system.
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The treatment system is equipped with a state-of-the-art monitoring and control system and a full complement of electronic sensors. Each train is controlled by its own local PLC with a touchscreen color operator interface screen. Each local PLC is networked via industrial Ethernet to a single supervisory controller. The supervisory controller is equipped with a cellular network gateway that allows the entire system to be monitored and controlled remotely.
The client’s requirement for this application involved a short delivery time. The complete system was constructed, delivered, installed, and operating within sixteen weeks of receiving the contract.
Interested to see how RODI can design a water treatment system specially designed for your needs? Contact us for a quote today!
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  • Home
  • Products
    • RODI Products
    • Ceramic Membrane
    • Chemical Feed Systems
    • Controllers & Instruments
    • Custom Controllers
    • Desalination Systems
    • High Purity Systems
    • Silt Density Monitors
    • Wastewater Treatment Systems
    • Water Purification Systems
    • Water Treatment for Hydrogen Production
  • About Us
    • About RODI
    • RODI Projects
    • RODI Customers
    • Industries
    • Technologies
  • Get Support
    • Technical Support
    • How To Buy Standard Products
  • Contact RODI
  • Resources
    • How Does Reverse Osmosis Work?
    • What is Desalination?
  • Blog