Reverse osmosis / Nanofiltration
Reverse osmosis is a physical process for concentrating substances dissolved in liquids. The natural osmosis process to balance concentrations is reversed by means of pressure. Reverse osmosis is essentially used for the desalination of water using a semi-permeable membrane. In reverse osmosis, a selective separation (concentration) of dissolved substances from a solution is carried out by pressing them under high pressure through a semi-permeable membrane. By using reverse osmosis, viruses, sugars, proteins, pectins or salts can be separated.
Water is a valuable asset, especially in the driest and most impassable regions of our planet
Whether seawater desalination in Sinai or drinking water treatment in humanitarian operations, our FILMTEC™ elements for reverse osmosis and nanofiltration from Dow Water & Process Solutions are used in a wide range of applications worldwide.
The FILMTEC™ elements for reverse osmosis and nanofiltration from Dow Water & Process Solutions are known as world market leader in this technology. The FILMTEC™ and HYPERSHELL™ product series are used for partial and complete desalination in various industrial sectors such as power plants, the food and beverage industry, drinking water treatment and waste water treatment. Different membrane elements are available for these applications.
Membrane elements:
- Tap water modules
- Brackish water modules
- Seawater modules
- Low-energy modules
- Nanofiltration modules
for treatment:
- of drinking water, boiler feed water decarbonisation
- of process water, waste water
- of seawater
- in the pharmaceutical industry
- ultrapure water in the electronics industry
- or partial softening
- for groundwater remediation
The FILMTEC™ elements
for reverse osmosis and nanofiltration from Dow Water & Process Solutions are known as world market leader in this technology. The FILMTEC™ and HYPERSHELL™ product series are used for partial and complete desalination in various industrial sectors such as power plants, the food and beverage industry, drinking water treatment and waste water treatment. Different membrane elements are available for these applications.
The FILMTEC™; reverse osmosis elements are divided into the areas of drinking water (TW), brackish water (BW) and seawater (SW).
The drinking water elements are mainly used for the desalination of town water with an already good initial quality.
The brackish water elements are used, for example, in industry for the treatment of water with low to medium salt loads.
The seawater elements are usually used for the desalination of seawater or water streams with high salt load.
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