Reverse Osmosis Membranes

Technology Partner

Reverse osmosis (RO) and nanofiltration (NF) are pressure-driven separation processes that employ semi-permeable membranes and the principles of cross-flow filtration.

DuPont Water Solutions provides the most widely-used reverse osmosis & nanofiltration technologies in the world.

It is a trusted partner to domestic households, small businesses, municipalities and large-scale industries, extending from the chemical, oil and gas, pulp and paper, textile and mining sectors to food, beverages and healthcare.

Product Range

2.5 inch, 4 inch & 8 inch membranes for brackish & seawater

DOW FILMTEC™ Brackish water reverse osmosis elements deliver consistently high performance and enhanced element life in the treatment of challenging industrial water. They also enable reduced energy consumption and related cost savings.

2.5 inch, 4 inch & 8 inch nanofiltration membranes

DOW FILMTEC™ nanofiltration elements offer exceptional productivity and are designed to remove high percentages of total organic carbons and trihalomethane precursors while allowing the passage of medium to high salts with medium hardness.

Aqua Resources SA Offers

Aqua Resources SA offers a range of services that assist in the design, supply and optimisation of Dow eight-inch reverse osmosis membranes:

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