Page 13 - PDZA Sustainable Aquarium Brochure
P. 13

Figure 1—

                       3500
                      ft)  3000       Sand filters

                      Filtration Equipment Area (sq  2000              Drum filters

                       2500




                       1500

                       1000

                         500


                           0
                               0        1000  Bead filters     3000        4000       5000        6000
                                                    2000
                                            LSS Recirculation Flow (gpm)


                                   Bead filters      Horizontal filters  Drum filters    Vert Sand filters









                 Figure 2—
                        3500
                       ft)  3000  Less Space Vert Sand filters
                                 Efficient
                       Filtration Equipment Area (sq  2000

                        2500




                        1500

                        1000

                         500
                                                                                       More Space
                                                                                       Efficient
                                             Bead filters
                            0
                                                                           4000
                               0         1000       2000       3000 Drum filters      5000        6000
                                             LSS Recirculation Flow (gpm)


                                   Bead filters      Horizontal filters  Drum filters    Vert Sand filters




               CASE STUDY: THE PACIFIC SEAS AQUARIUM AT POINT DEFIANCE ZOO & AQUARIUM                      13
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