Aquatech Plus Private Limited

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Water Purifier

Water Purifier

Nano filtration (NF), in water treatment, “bridges” a gap between ultrafiltration and reverse osmosis membranes. It is sometimes referred to as a loose or lower rejecting RO membrane. It could also be called a tight UF, as NF membrane pore size ranges from .01 to a little less than .001. Generally, an NF membrane system lets more salt pass than an RO membrane. In addition, an NF membrane element will produce the same quantity of product at 50 to 70% the applied pressure as an RO water treatment system.

There are applications where a 75% rate of salt rejection is preferable to 95 to 99%, especially when it is achieved using only half of the energy. Unlike with RO membrane elements, the NF offerings of the major membrane manufacturers are quite different in performance from company to company. With RO membrane elements, any model with less than 99.5% sodium chloride rejection, especially with seawater membranes, is considered inferior. In the case of NF, there is a “place” for any membrane with a NaCl rejection rate of 40%, or more. Nano filtration has also been called a “softening” membrane as while its salt rejection may be 80% or less, hardness rejection will often remain well over 90%.

Aquatech Plus has over 15+ years of experience as a global supplier of industrial and commercial Nano filtration systems for the removal of unwanted impurities from water. Our NF systems ensure the production of clean and potable water for any type of application in the water treatment industry. Check out our selection of Nano filtration systems for commercial establishments and industrial plants to meet your water treatment needs.

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Application Permeate Concentrate Benefits of NF
Whey / Whey Permeate Salty wastewater Desalted whey concentrate Allows the recovery of lactose and whey protein concentrate with reduced salt content
Textile Dyes Water, salts, BOD, COD and color NF is used to desalt dyes resulting in a higher value product
Recycle of acid solutions Acid solution BOD, COD, calcium, suspended solids, acidic water Allows acid solution to be recycled resulting in reduced cleaning chemical costs
Water Softened water Hard water Potable water production. Softened water reduces scaling on equipment and heat exchange surfaces
Laughing Bacchus Winecellars Yoshi Tannamuri Canada Mexico
Antibiotics Salty waste product Desalted, concentrated Antibiotics NF produces high value pharmaceutical products
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