Page 382 - Academic Press Encyclopedia of Physical Science and Technology 3rd Chemical Engineering
P. 382

P1: GLQ Final Pages
 Encyclopedia of Physical Science and Technology  EN009K-419  July 19, 2001  20:57







              Membranes, Synthetic, Applications                                                          317












































































                     FIGURE 30 Performance of some commercial reverse osmosis membranes for (a) seawater desalination (test con-
                                  ◦
                                                                              ◦
                     ditions: 56 bar; 25 C; 3.5% NaCl feed); (b) low-pressure desalination (15 bar; 25 C; 1500 mg/liter NaCl feed); and
                                                              ◦
                     (c) ultralow-pressure nanofiltration applications (7.5 bar, 25 C; 500 mg/liter NaCl feed).
   377   378   379   380   381   382   383   384   385   386   387