A professor at Abu Dhabi's Masdar Institute of Science and
Technology, who has co-authored a book on a technology widely used in
desalination and production of drinking water in the GCC region, said
modifications in membrane separation technology will help cut costs of
doing business.
"Membrane modification techniques are aimed at increasing the
efficiency and performance of membrane separation and making them
attractive for specific separations," said Dr Nidal Hilal, an
international expert in desalination and membrane technology and a
professor in nano-membranlogy and water technologies at the Masdar
Institute.
Membrane separation is a technology which selectively separates -- or
fractionates -- materials via pores and/or minute gaps in the molecular
arrangement of a continuous structure.
Membrane separations are classified by pore size and by the
separation driving force. These classifications include microfiltration,
ultrafiltration, nanofiltration, ion-exchange and reverse osmosis.
Dr Hilal is the co-author of a recently published book by CRC Press, entitled .
His remarks assume significance following an industry study by the
Freedonia Group that reports global demand for membranes is projected to
increase a healthy nine per cent annually to $19.3 billion by 2015,
while demand for water desalination products and services is forecast to
increase 9.3 per cent annually to $13.4 billion by 2015.
Oil-rich nations are increasingly shifting to more efficient membrane
desalination systems, or reverse osmosis, and the Middle East and North
Africa will account for about two-thirds of global demand for
desalination products and services, the study adds, further pointing out
that Saudi Arabia, the UAE and Kuwait are the largest desalination
markets in the Middle East.
Dr Hilal's book presents a comprehensive review of the current
developments within membrane separation processes with a focus on
process optimisation through control of membrane surface properties for
key industrial applications.According to him, membrane processes have
many other applications apart from desalination.
"Membrane processes are used in pharmaceutical industries to separate
valuable medical products as they are capable to separate solid
materials such as powders in the size range between one nanometer and 10
microns," he said.
"Membrane modification techniques will have significant impact on
industry as they will lead to an improved efficiency of membrane
processes that offer more products at less cost."
He said the UAE and the region will benefit from operating better
fouling-resistant membranes in RO desalination plants as it will reduce
operational fouling problems and therefore reduce cost.
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