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TECHNOLOGY

National Separations has formed alliances with Global Separation Technology companies.

Microfiltration

Microfiltration (MF) is a cross flow membrane filtration process, capable of removing a large range of particulate matter from a water source, these include silt, bacteria, colloidal matter and, with the proper chemistry, metals such as iron and manganese. Microfiltration operates through a fixed membrane pore size, any particle larger than the pore size rating of the membrane, will be retained by the membrane.

Ultrafiltration

Ultrafiltration (UF) is also a cross flow membrane filtration process, with the major difference between MF an UF, being the removal rating of the membrane. Whilst MF has a removal rating based on the rated pore size of the specific membrane, the UF membrane has a molecular weight cut-off (MWCO) meaning that all impurities with a molecular weight greater than the membrane’s rated molecular weight cut-off will be retained by the membrane. Ultrafiltration is used for the removal of suspended solids, bacteria, viruses, organics and endotoxins.

Reverse Osmosis

Reverse Osmosis (RO), like Nanofiltration, is a membrane process capable of removing dissolved salts, bacteria and organics, from a water source. The removal capability of the RO membrane is based on a molecular weight cut-off, of approximately 100 Daltons. The RO membrane is very effective in removing monovalent ions such as fluoride and nitrate. In most cases, when the removal of high levels of fluoride and/ or nitrate is required, then RO would normally be selected as the preferred technology.

National Separations has formed alliances with Global Separation Technology companies in order to provide you the client, the most cost effective filtration solution. By combining excellent products with years of filtration expertise and an exceptional service ethic, National Separations seeks to become your first choice for filtration and separation. National Separations has supplied general filtrations consumables as well as various turnkey water and fluid purification systems- locally in SA as well many international locations.

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+27 87 092 7300 | +27 11 553 2300

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TECHNOLOGY

National Separations has formed alliances with Global Separation Technology companies.

Microfiltration

Ultrafiltration

Reverse Osmosis

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