同瘠大学 Mediaion Tongji University VI、Outline (1)History (2)Slow filtration (3)Rapid filtration (4)Media of filter (5)V-Type filter (6)Pressure Granular bed filter (7)Filtration theoryTongji University VI、Outline (1) History (2) Slow filtration (3) Rapid filtration (4) Media of filter (5) V-Type filter (6) Pressure Granular bed filter (7) Filtration theory Media filtration