Research and Development on Reverse Osmosis Membrane Modules |
Contents
Dye checks for pinholes and leaks | 6 |
PRODUCT WATER SIDE CONSIDERATIONS | 7 |
Schematic drawing of pressure drop test module | 14 |
6 other sections not shown
Common terms and phrases
adhesive boundary layer brine flow brine side pressure brine side spacer BRINE VELOCITY cellulose acetate film Central tube 5X2 Congo Red Dacron diam drip pan driving force feed-brine g/cm²-sec-atm glass cloth Glass felt gluing H values high-pressure modules high-pressure test hydraulic diameter layer Selmatex leaks low-pressure systems membrane constant membrane flux MEMBRANE HEAT TREATMENTS mesh module fabrication modules containing multitube no-flow nylon obtained operation pinholes polyester polyethylene screen porosity porous pressure container Pressure drop test product water flow product water side product water take-off reduction reverse osmosis roll-up rolled salt rejection sand seawater SEAWATER FEED sec-atm/cm³ shown in Fig side backing material side pressure drop side pressure losses slot system pressure system sump Table test modules TESTED IN RUN Thickness tube 5A2 unit value of H Vexar Glass beads water flux water side backing water side pressure water take-off tubes Webril ΔΡ