Desalination
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Every day, in desalination plants all over the world, Flowserve pumps, valves, and energy-recovery products help to bring fresh potable and industrial water to millions of people.
As global demand for clean water accelerates, Flowserve's innovative desalination solutions are providing fresh water to communities around the world.
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Integrated systems and services that reduce total cost of ownership
In designing modern desalination plants, cost-effective water production, energy consumption and system availability are major drivers. Our ability to deliver complete, integrated flow control systems that are energy-efficient and scalable enables desalination plants to operate economically and grow with demand.
Regardless of the desalination process, Flowserve supports customers with specialty equipment and aftermarket services to advance plant operating goals and keep key flow control processes running smoothly.
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Flowserve offers:
- Unparalleled experience in the design and operation of high-efficiency fluid motion and control systems.
- Single point of contact and responsibility for all major equipment, including pumps, energy recovery devices, valves and mechanical seals.
- Equipment and system optimization to provide the lowest total cost solution.
- Engineering and technical resources for application support and ongoing life cycle cost-reduction services.
- Local support of parts, repairs and service through nearly 200 global Quick Response Centers.
- Condition monitoring and maintenance contracts that guarantee availability and efficiency of equipment.
- Educational services that train customer personnel in the selection, operation and maintenance of pumps, energy recovery devices, seals and valves.
Reverse osmosis desalination
Energy consumption is generally the biggest operating cost driver of RO desalination. Advances in membrane and energy recovery technologies are making SWRO and brackish water reverse osmosis (BWRO) more economical, but it can’t be taken for granted.
We understand RO plants consume a lot of power, much of it by high pressure pumps, so we build optimal efficiency into every one of our RO systems. Our high-pressure membrane feed pumps and ERDs — including Flowserve FLEX™, Calder® DWEER™ isobaric devices and Calder ERT energy recovery turbines — feature optimized hydraulics and advanced material technologies to keep operating costs low and plants running profitably. Moreover, our detailed systems knowledge along with a full menu of technical support services are available wherever and whenever needed to ensure plant availability goals are met.
Multistage flash distillation (MSF) and multi-effect distillation (MED)
Thermal desalination via MSF or MED is most economically advantageous where water salinity is very high. Selecting equipment and materials that can survive elevated brine temperatures and salinity is critical to the success of these plants. Pitting, crevice corrosion and stress corrosion cracking are major challenges in processing seawater and brackish water.
Flowserve is unmatched in materials expertise and applications know-how. Our pumps and valves are available in a broad range of corrosion-resistant materials — both metallic and non-metallic — to provide a competitive total cost solution for the corrosive services found in MSF and MED desalination plants.
Flowserve Beats Performance Demands of Desalination Plant Upgrade
The Cyprus Water Department needed to improve the efficiency of the Larnaca Desalination Plant to offset increasing energy costs. By upgrading the plant with state-of-the-art technologies, including improved high-pressure pumps and DWEER ERDs, Flowserve was able to beat their performance goals.
Providing solutions around the world
Energy recovery devices supplied for desalination plant in Spain
Since the end of October 2022, the seven (7) energy recovery devices Flex 6300 supplied by Flowserve for its installation at one of the reverse osmosis trains of Las Palmas 3 Desalination plant have performed, without any issue and in accordance with the guaranteed performance parameters by Flowserve.
Flowserve supplies pumps for Saudi Arabia seawater desalination plant
The new Rabigh 3 facility serves the Jeddah and Mecca areas of Saudi Arabia with an initial capacity of 600,000 m3/day, which can eventually be upgraded to a capacity of 1.2 million m3/day. Contract for Rabigh 3 included the supply of 10 HP pumps (14x22DVSH), 10 HP Booster pumps (400DS855), 20 ERD Booster pumps (14HHPX18A), 10 Second Pass pumps (400DS855) and 10 CIP pumps (3K10X8-16RV), all with their respective electrical motors, Flowserve mechanical seals, supervision services and start-up spare parts.
SWRO desalination plant in Singapore utilizing Flowserve equipment
Singapore opened its third SWRO desalination plant in June 2018. Able to produce 136 million liters of drinking water per day and utilizing 50 Flowserve pumps, the plant boasts the highest output per square foot of any of the country’s desalination plants. HSL CEO Mr. Charles Quek said it was one of the most space-efficient and technologically advanced desalination plants in the world.
Flowserve flow control equipment to supply World's largest SWRO project in UAE
The Taweelah plant is currently the world’s largest SWRO project, with a capacity to process 909,200 cubic meters of water per day (m3/day). Contract for Taweelah included the supply of 14 HP pumps (14x24DVSH), 14 HP Booster pumps (400DS855), 36 ERD Booster pumps (14HHPX), 14 Second Pass pumps (350DS854) and 8 CIP pumps (CBTA 300500), all with their respective electrical motors, Flowserve mechanical seals, supervision services and start-up spare parts.
Understanding the business of desalination
We’ve worked with government-backed fixed engineering, procurement and commissioning (EPC) projects as well as privately financed build-own operate (BOO) and build-own-operate-transfer (BOOT) ventures. Our dedicated desalination experts and project managers understand the business challenges of each commercial model.
For new projects or major upgrades, our dedicated global project managers and engineering experts help streamline execution. They offer a total solution approach, focused on creating the most efficient and technologically advanced systems. They work with your teams to select equipment, maximize overall efficiency, and optimize plant layout. And, they also work tirelessly to ensure installation and commissioning meet requirements and schedules.
For existing operations, we’ve invested in aftermarket services and supporting infrastructure to help plant operators manage risks. Our turnkey maintenance contracts guarantee minimum efficiencies of key equipment. Monitoring and preventative maintenance service plans make sure plant availability and throughput goals are achieved.
A complete, integrated flow control system
By bringing together industry-leading pumps and valves, high-efficiency ERDs, unmatched materials expertise and desalination-specific application knowledge, Flowserve is a single-source provider of complete, integrated flow control systems for desalination plants around the world.
Having equipped water desalination plants for more than a half-century, we have the equipment and system expertise to meet these challenges.
Pumps
High corrosion resistance and energy efficiency are paramount to the selection of pumps for desalination. Flowserve offers the industry’s widest selection of proven pump types in a full range of materials and hydraulics to maximize performance and minimize lifecycle costs.
Related Pumps
Source water intake pumps
Brine recirculation pumps (MSF and MED)
High-pressure membrane feed pumps (SWRO)
Booster, second pass, backwash, flushing, potable water and auxiliary pumps (SWRO)
Energy recovery devices
In designing modern desalination water plants, high efficiency is a primary goal. This includes efficiency not only in energy consumption, but also energy recovery. Flowserve offers the world’s highest efficiency energy recovery equipment for reverse osmosis desalination.
Related Energy Recovery Devices
Mechanical seals
Mechanical seals are integral to the reliable operation of pumps used in a desalination plant. The utmost care must be taken to specify the correct configurations and materials of construction to maximize uptime. Our expertise in metallurgy and the application of sophisticated mechanical sealing technologies in the toughest applications allows Flowserve to excel in extending mean time between failure (MTBF) of critical rotating equipment.
Related Mechanical Seals
Valves
Desalination processes, particularly SWRO systems, require numerous valves capable of handling large volumes of water at high pressures. These valves must also be made of materials capable of resisting corrosion from chloride-rich water and the chemicals commonly used. Flowserve offers a complete range of valves to suit the diverse applications found in desalination.
Related Valves
Related Literature
How the Right Partner Can Help You Address Desalination Challenges
To meet the growing demand for clean water around the world, additional desalination capacity will be needed for years to come. That will require significant capital expenditures from public organizations and governments as well as the private sector.
Water Desalination Plant Application Solutions Guide
A valuable reference for anyone associated with a desalination plant. This guide is written by Flowserve experts in desalination and details the Flowserve products best suited for providing flow control solutions to each specific plant application.
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