Page 119 - Membranes for Industrial Wastewater Recovery and Re-Use
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Table 3.5 (continued)
Treatment goal(s) Treatment approach Description Treatment application Limitations
Cooling Blowdown Boiler
tower water make-up
make-up water
water
Removal of dissolved Reverse osmosis Membrane system to separate X X Potential for fouling of RO membranes.
solids. organics, ions from solution basedon Brine requires treatment/disposal
pathogens reversing osmotic pressure
differentials
Nanofiltration and Pressure-driven membrane X X Potential for fouling of membranes.
ultrafiltration processes to remove Reject stream requires
constituents based on charge treatmentjdisposal
and molecular size
