Filtre de sable Rapid Gravity sand filter
{"Image DocumentName": "Filtre de sable Rapid Gravity sand filter", "Image ImageDescription": "Rapid sand filters (120 m3/d.m2) \u2022 Graded media in bed (mean particle sizes mm) \u2022 Grain size distribution is optimized to allow. water flow but remove particulate matter. \u2022 Dual or mixed media: coarse grains on top of fine grains. \u2022 Support medium (gravel): to keep sand from leaving with filtered water.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}