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AWWA MTC61142
- Reverse Osmosis Membrane Fouling in Agricultural Drainage Water Reclamation
- Conference Proceeding by American Water Works Association, 03/01/2005
- Publisher: AWWA
$12.00$24.00
Laboratory scale reverse osmosis (RO) filtration experiments were conducted to better understand thelimitations of fouling on reclamation of Alamo River water (ARW) by membrane desalination.Effects of ion concentration polarization (CP), colloidal fouling, organic matter fouling, and biofoulingon water flux and salt rejection were systematically investigated using laboratoryprepared synthetic water. Fouled membranes were autopsied after experiments through scanningelectron microscopy (SEM). Organic matter and microbes constituted a dense deposit layer withhigher hydraulic fouling resistance than inorganic colloids, and higher flux decline was observed in the presence of larger trans-membrane osmotic pressure of salt. Includes 6 references, figures.
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