Increased scale of plant stimulates R&D
Koch Membrane Systems (KMS), a division of the Koch Chemical Technology Group, acquired Fluid Systems Corporation in 1998. Since then, KMS has invested heavily in research and development and is now launching a series improved reverse osmosis (RO) and nanofiltration (NF) membrane products and processes.
Innovations include: Fluid Systems TFC® SR2 nanofiltration membrane/elements;
Fluid Systems Mega Magnum® large diameter spiral wound elements; Fluid Systems
TFC® FR fouling resistant membranes; Arsenic removal technology.
Fluid Systems’ TFC® S nanofilter/softening membrane has been in wide use
in the USA for over ten years. The new TFC® SR2 membrane will produce more
water per metre of membrane surface area, removing organics,iron and particulates.
New spiral efficiency
With the increase in the size of desalination plants all over the world, KMS
has responded to demand from end users for an even more efficient spiral element.
This has resulted in the launch of the Mega Magnum®, which will be an 18″
dia by 60″ long spiral element containing over 2,500 feet² of membrane
The Mega Magnum® will result in RO/NF systems that require less space,
manifolds and pressure vessels and could, in many cases, lead to savings in
the capital cost of the system and civil works of over 20%. KMS will be able
to incorporate all of its RO/NF membranes into the Mega Magnum® configuration.
KMS has also tested a new polymeric membrane on municipal secondary effluent
which has a low rate of fouling. This membrane also responds better to chemical
cleaning. The TFC® FR membrane will be ideal for treating wastewaters and
surface water where pre-treatment is extensive and chemical cleaning is more
than once per month. In some cases, the TFC® FR membrane will operate more
than three times as long between cleanings.
Finally, under the auspices of the US Environmental Protection Agency, KMS
has recently completed Environmental Technology Verification testing, to certify
the performance of its TFC® ULP membrane which has been designed to reduce
arsenic levels in drinking water.
Testing which was carried on a groundwater source over a 34-day period at the
Park City Spiro Tunnel Water Filtration plant in Utah, verified that TFC®
ULP will reduce arsenic by 99%. The full report can be accessed via the internet
Bob Skelton, the regional manager of KMS, with responsibility for the company’s
European water market, commented, ‘The new products being launched this year
will have a significant impact on the expanding applications of membranes to
a wide array of water and wastewater streams.’
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