Filmtec is a subsidiary brand of Dow Inc., which specializes in the production of reverse osmosis (RO) membranes for water purification systems. Their technology is widely used for desalination, industrial, municipal, and residential applications.
Founded in Minneapolis, Minnesota, in 1977
Acquired by Dow Chemical in 1985
Moved operations to Edina, Minnesota, in 1988
Launched their first thin-film composite RO membrane in 1989
Expanded their operations to include facilities in Argentina, China, India, and Saudi Arabia
Received the Frost & Sullivan Award for Membrane Manufacturer of the Year in 2016
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Filmtec offers a variety of RO membranes for various applications, including seawater desalination, brackish water treatment, and high-purity water production. Their membranes are known for their high productivity and salt rejection rates.
Filmtec's nanofiltration membranes are used for applications that require the removal of divalent ions, such as water softening and color removal. Their NF membranes are also used for some wastewater treatment applications.
Reverse osmosis (RO) is a water purification process that uses a semipermeable membrane to remove ions, molecules, and larger particles from drinking water.
The lifespan of a Filmtec RO membrane depends on several factors, such as the quality of the feed water, the operating pressure, and the frequency of cleaning. In general, a well-maintained RO membrane can last for several years.
Filmtec provides guidelines for cleaning their RO membranes, which typically involve using a specialized cleaning solution and flushing the membrane with clean water. It is essential to follow the manufacturer's instructions to avoid damaging the membrane.
Filmtec offers nanofiltration membranes that can be used for some wastewater treatment applications, but their primary focus is on RO membranes for water purification and desalination.
Filmtec membranes are sold through authorized distributors and dealers, who can be found through the company's website or by contacting their customer service team.