RO DUPONT FILMTEC
Compared to traditional filtration technologies that rely on a screen or filter to remove particles, reverse osmosis (RO) is a pressure-driven separation process that employs a semipermeable membrane and the principles of crossflow filtration.
Reverse osmosis water treatment provides the finest level of filtration. The RO membrane acts as a barrier to all salts and inorganic molecules, as well as organic molecules with a molecular weight greater than approximately 100. It is therefore a highly effective process for removing contaminants such as :
- Endotoxins/pyrogens.
- Insecticides/pesticides.
- Herbicides.
- Antibiotics.
- Nitrates.
- Sugars.
- Soluble salts.
- Metal ions.
We provide the most widely used RO technology in the world — trusted globally by municipalities , industries , manufacturers, commercial markets, and families wanting clean, healthy water at home.
- Remove up to 99 percent of impurities from water.
- Reduce operating costs.
- Lower energy usage.
- Provide longer life due to antifouling and high cleanability.
- Rejection – the percentage of solids concentration removed from system feedwater by the membrane.
- Passage – the opposite of “rejection,” passage is the percentage of dissolved constituents (contaminants) in the feedwater
allowed to pass through the membrane.
Permeate – the purified product water produced by a membrane system. - Flow – Feed flow is the rate of feedwater introduced to the membrane element, usually measured in gallons per minute
(gpm). Concentrate flow is the rate of flow of non-permeated feedwater that exits the membrane element. This
concentrate contains most of the dissolved constituents originally carried into the element from the feed source. It is
usually measured in gallons per minute (gpm). - Flux – the rate of permeate transported per unit of membrane area, usually measured in gallons per square foot per day
(gfd). - Dilute solution – purified water solution, RO system product water. Concentrated solution – brackish water solution such
as RO system feedwater.
Our high-performance FilmTec™ RO elements for commercial markets — such as for car washes, hotels and resorts, and hospitals and other institutions — as well as municipal and industrial markets
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