DowFILMTECReverse osmosis membranes are widely used all over the world, providing high-quality purified water for households, individuals, various communities and industrial sectors.

Dow reverse osmosis membranes have a low failure rate, a large installation and usage volume, and a wider range of application fields. DowFILMTECHDow has developed a new generation of ultra-low pressure reverse osmosis membranes featuring high flux and low operating pressureLPLow-pressure membrane reverse osmosis element.

Dow membrane elements are only produced in the United States and are imported in their original form. The products are manufactured on an automated production line with advanced technology. There are no patches on the membrane sheets, and the desalination layer is thicker. They can be strongly cleaned with inorganic acids and alkalis. The fully automatic component assembly technology ensures that the finished products do not require water testing, truly guarantees consistent global supply quality.

The research foundation of membrane technology. Since then, the products developed and improved by this institution include: the original composite membrane, microporous polysulfone membrane, and the early non-cellulose acetate composite membrane.NS-100"NS-200andNS-300Composite membrane, ultra-thin fiber hemodialysis membrane.

Working principle

The membrane elements of Dow reverse osmosis membranes are of spiral wound structure, which is simply called the wound structure. It is composed of multi-leaf membrane bags. Each leaf membrane bag consists of two membrane sheets facing each other, a product water flow channel placed between the two membrane sheets, and a turbulent grid-shaped feed water flow channel placed on the membrane surface. The three sides of the membrane bag are sealed with adhesive, and the fourth side is opened on a perforated product water collection pipe. Compared with other component structures such as tubular, plate and hollow fiber types, it has many advantages such as uniform water flow distribution, high pollution resistance, low replacement cost, simple external pipeline, easy cleaning and maintenance, and large design freedom. It has become the main membrane element structure form at present.

Dow membranes from the United States are importedROGood quality membranes are used for water purifiersROmembrane

& The functions of Dow membranes in the United States

50G-100GThe Dow membrane from the United States is the core filter element for water purification in pure water machines. It can filter out smaller fine pollutants. The Dow membrane from the United States is a water treatment product developed by Dow Chemical in the United States. Its application is very extensive and has become one of the new types of chemical unit operations. It is used for the separation, concentration and purification of biological products, pharmaceutical products and in industry. It is also used in the terminal treatment devices for wastewater treatment and ultrapure water preparation.

& 50G-100GCharacteristics of Dow membrane in the United States

50G-100GDow membranes from the United States feature high mechanical strength and are capable of operating under certain pressures. Dow membranes from the United States exhibit extremely high performance in terms of water flux, desalination rate, organic matter removal, and anti-biodegradation. They are more adaptable to strong cleaning by inorganic acids and alkalis and mechanical wear. After being tested by many users under various extremely harsh usage conditions, they have shown better main performance characteristics such as durability and stability compared to other brands.