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Welcome to the Danfoss High Pressure Pump Blog

Welcome to the Danfoss High Pressure Pump Blog

Danfoss is dedicated to engineering high-pressure pump solutions that save energy today and enable a more sustainable tomorrow. Our blog explores issues related to energy and cost efficiency in seawater reverse osmosis (SWRO). We hope that you will discover insights in these blogs that will help you produce potable water with lower operating costs – and reduced CO2 emissions for all of us.

Explore our blogs:

SWRO and energy efficiency
SWRO and energy efficiency

Discover new perspectives on the importance of energy-efficient SWRO to meet the world’s growing need for fresh water.

SWRO and aquaculture
SWRO and aquaculture

Learn how the aquaculture industry uses energy-efficient SWRO to keep salmon healthy.

SWRO and brine mining
SWRO and brine mining

Read how valuable chemicals can be extracted from brine – including SWRO reject streams – and how brine mining could change the SWRO industry.

RO and wastewater treatment

Learn how membrane-based processes such as RO and NF can significantly improve the energy efficiency of ZLD and MLD.

Case stories

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    DESALRO® 2.0 sets new global benchmark for SWRO energy efficiency

    In Spain’s Canary Islands, DESALRO® 2.0 achieves record-low energy use of 1.84 kWh/m³ using Danfoss APP 65 pumps. Developed by the Canary Islands Institute of Technology, this modular SWRO system is designed for replication across water-scarce regions with minimal redesign.

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    Compact, energy-efficient SWRO strengthens Cape Town’s water resilience

    After Cape Town’s water crisis, the V&A Waterfront invested in a new SWRO plant to ensure self-sufficiency. PROXA designed the two-train, 6,000 m³/day system using Danfoss APP pumps and iSave ERDs to deliver energy-efficient output in a compact existing space.

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    Hyrec relies on Danfoss for OARO brine mining in Indonesia

    Hyrec has pioneered a large-scale OARO brine mining plant that produces 220,000 tons of food-grade salt annually. By using Danfoss APP pumps and iSave ERDs for pre-concentration, the innovative solution optimizes energy efficiency, reduces costs, and ensures reliable operation in a remote location.

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    Salt Separation chooses Danfoss for cruise ship SWRO retrofit

    Salt Separation Services boosted capacity by 75% and significantly reduced SEC by retrofitting a luxury cruise ship’s SWRO plant with a Danfoss APP pump and iSave ERD – all in the same tight space in the ship’s engine room.

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    APP pumps with ceramic chosen for containerized solutions

    When a Spanish engineering company needed one compact, reliable, and energy-efficient SWRO solution for three separate end users, Gefico’s engineers proposed a compact, modular train design that could be both containerized and built on skids. Danfoss’s ceramic APP pumps and iSave ERDs are at the heart of the seven trains that Gefico designed and produced

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    WatMan specifies Danfoss for the world’s largest cruise ship’s SWRO plant

    WatMan Engineering chose Danfoss high-pressure pumps and ERDs for the SWRO plant supplying fresh water to the world’s largest cruise ship, Icon of the Seas. The Finnish specialist will also use Danfoss technology for the next two Icon-class ships.

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