The Future of Membranes in Seawater Desalination - emwis
The Future of Membranes in Seawater Desalination - emwis
The Future of Membranes in Seawater Desalination - emwis
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DESALINATION AND SUSTAINABILITY<br />
History overview<br />
1845-1960<br />
Invention &<br />
Membrane focus<br />
• Schönbe<strong>in</strong><br />
Nitrocellulose, Fick<br />
diffusion<br />
• Ried & Breton: RO<br />
demo<br />
• Loeb & Sourirajan<br />
assymetric cellulose<br />
membrane<br />
1960s-1980s<br />
Membrane &<br />
module diversity<br />
• Dow, Toyobo: cellulose<br />
acetate HFF modules<br />
• Dupont aramid HFF<br />
modules<br />
• Fluid Systems, North<br />
Star (later Dow):<br />
polyamide spiral wound<br />
S<strong>in</strong>ce 1990s<br />
Standardization &<br />
up-scal<strong>in</strong>g<br />
• Converg<strong>in</strong>g to TFC<br />
polyamide spiral wound<br />
• Large market growth<br />
• Mega plants<br />
(100,000s m³/d)<br />
1 – 2 March<br />
20/03/2012<br />
© 2012 International Desal<strong>in</strong>ation Association