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Registration Date 13 Oct 2017
Revision Date 13 Oct 2017
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MEXFIL™ WMC110 dNF80

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Environment Water and Wastewater

Water Filter

Nanomaterials

Manufacturer Asserted

Porous Materials

Nanoporous
Diameter : 2 nm

Applications

Waste water purification

Manufacturer's Description

Nanofiltration, also called direct Nanofiltration (dNF), combines the advantages of a low fouling hollow fiber configuration with the ability to remove organics and salinity in one simple step. The membranes are manufactured using the so called “layer-by-layer” process, where multiple nano-scale layers are deposited on a membrane support. The number of nano layers determines the rejection and flux properties of the membrane. A unique solution for troubled water.The primary focus of the dNF membranes is on the removal of micro-pollutants and organics from water. These micro-pollutants, such as pesticides, pharmaceuticals and personal care products are a growing threat to the quality of our drinking water supplies. Our technology is ideally suited for waste water re-use applications and for polishing of surface water to drinking water standards. Other applications for our dNF membranes include color removal, softening, recovery of cleaning solutions (NaOH recycling) and partial desalination for industrial, process and municipal applications.

 The hollow fiber configuration provides an open, low fouling construction as the flow is not obstructed by spacers used in spiral wound elements. In addition, hollow fibers can be backwashed and the PES chemistry allows for continuous operation and cleaning with chlorine and cleaning at very high and low pH. dNF replaces UF/NF, and for selected applications, UF/RO, with a one step process. This results in a significant reduction in capital and operating cost, while reducing the foot print of the installation.