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The 4000 Sea Water RO Plant is a dependable and effective method of converting seawater into freshwater. Its sturdy construction can withstand tough environments, and its automatic self-cleaning feature ensures seamless operation.

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4000 Sea Water RO Plant by Ultra Tec

The 4000 Sea Water RO Plant is a commercial-grade reverse osmosis system designed to produce freshwater from seawater. This system is owned and operated by Ultra Tec Water Treatment LLC, Dubai’s largest private-sector water utility, with an installed generation capacity of over 2,300 MW.


The 4000 Sea Water RO Plant offers numerous benefits to its customers. It features a durable stainless steel frame that can withstand harsh conditions, making it ideal for use in coastal areas. It also has an automatic self-cleaning feature that keeps the system running smoothly and requires low maintenance. The plant’s low energy consumption makes it an environmentally friendly option. Moreover, it produces high-quality freshwater that can be used for various applications.

Project Scope: 

Ultra Tec’s 4000 Sea Water RO Plant is one of the larger desalination projects in India in recent years. It uses SWRO technology to produce 25.2 MLD of desalinated water for various user applications. Additionally, a portion of desalinated water is treated further through a BWRO system to provide 660 GPM of permeate for use in the upstream mixed bed’s demineralization plant for boiler feed application. The Ultra Tec SWRO system consists of a 2 x 6,160 GPM pretreatment plant comprised of Lamella Clarifiers and two-stage filtration using Dual Media and Pressure Sand Filters. The SWRO system consists of 4 streams of SWRO banks followed by two banks of BWRO.


The 4000 Sea Water RO Plant has a flow rate of 72-meter cube at 25 deg C and can produce 4000 GPD of freshwater. It has a high rejection rate of 95-98% and a recovery rate of 50-60%. The RO membrane brand used is CSM (8040 (400 ft sq) x1 pcs), and the RO pressure vessel is made of FRP (8040×1 pcs). It has a high-pressure pump of 4 kW x 380V x 50 Hz (Brand: Grundfos, model CRI 5-29, flow rate: 5T/hr, lift head: 165M).

The plant also includes:

  • A pre-filter TK 7-20.
  • Pure water flow meter.
  • Drain flow meter.
  • Low-pressure and high-pressure valves.
  • An RO frame made of stainless steel welding.

The central panel displays all pressure readings and has high-pressure SUS304 and low-pressure pipe sch # 80 UPVC. It also includes a flush valve, feed valve, and adjust the valve.


The 4000 Sea Water RO Plant by Ultra Tec is an efficient and reliable way to produce freshwater from seawater. Its durable design, low maintenance requirements, and high-quality freshwater production make it an ideal option for coastal areas. Additionally, its use of SWRO technology and low energy consumption make it an environmentally friendly choice.


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