• Dutco Tennant LLC, PO Box 233, Dubai, U.A.E.
High Rejection Membrane for Water Treatment Water Treatment
High Rejection Membrane for Water Treatment Membranes for Water Treatment
High Rejection Membrane for Water Treatment Dutcotennant

Dutco Tennant brings a range of High Rejection membranes in order to meet the demands of the Gulf Countries which mainly rely on desalination for water requirement. Depending on the desired product, there is a range of Brackish Water Reverse Osmosis Membranes that Dutco Tennant offers. Each of these High Rejection Brackish Water range of RO Membranes is applicable to certain feed water and system and most are produced for our clients to receive the highest productivity and salt rejection.

CPA range of RO Membranes from Hydranautics has the highest salt rejection rate used in treating different levels of seawater TDS and Salinity and produce a low TDS product water for different applications. CPA range of High Rejection Membrane is popularly used for treating water for industrial purposes due to its high salt rejection thus producing ultrapure water.

The Reverse Osmosis water filtration technology Membrane by Hydranautics (Nitto) is designed for Seawater / High Salinity Water applications that require a psi of 800. This Membrane uses Reverse Osmosis water filtration technology to take out 99.80% of contaminants found in the feedwater, which makes it best suited for seawater desalination and high TDS industrial wastewater treatment applications, including conventional and hybrid designs.

Depending on the system there are available CPA (Composite Polyamide) membranes in 2 different sizes: 4” and 8” diameter

Hydranautics membrane supplied by Dutco comes from either Japan/USA. The Brackish Water Reverse Osmosis water filtration technology which is CPA Membrane (High rejection membrane) is a Composite Polyamide. The advantages in using the Hydranautics (Nitto) CPA High Rejection RO Membrane are each element offers the highest productivity and salt rejection rates in the industry combined with the optimized flow, low fouling and low energy consumption and does not need to be cleaned frequently thus reducing treatment cost while offering extreme durability and consistent performance.

Dutco has years of experience in dealing with brackish water reverse osmosis filtration membranes which are important to make sure that the water that you are getting is up to the standard of the local municipality and as well as satisfactory for the application whether it’s for seawater, brackish water or greywater.

Our group of technical people are knowledgeable and trained to design the best suitable solution or method in which the system will best cater to your requirement as well as to make sure that systems will be installed, commissioned, and ran at optimum conditions.

For price details and other information feel free to contact us. We are always happy to help you out with the best service.


  • 99.7% nominal rejection
  • high TOC, silica and hardness rejection


  • Treatment of well waters for municipal drinking water
  • Production of boiler feed water in power plants
  • Production of ultrapure water for semiconductor, pharmaceutical and food and beverage