Surface Water Treatment by Roughing Filters - A Design, Construction and Operation Manual (SANDEC - SKAT, 1996, 180 p.): Part 1: General aspects of roughing filter application: 5. Bacteriological water quality improvement: 5.1 Slow sand filtration
WT - Rapid Sand Filtration
Water | Free Full-Text | Submerged Pond Sand Filter—A Novel Approach to Rural Water Supply