Home Infrastructure Environmental Sanitation trickling filter trickling filter Description Save Detail of trickling filter; with minimum depth for treatment plant. Format DWG File size 75.40 KB DOWNLOAD DWG share your appreciation Related Posts parshall flume rain grate Water plant drainage ditch storm sewer Red drain hope – Trujillo, imhoff tank Sewerage and stormwater drainage 3d sewer sanitary boxes secondary decanter wastewater treatment plant Compact drinking water treatment plant Irrigation channel design constructed wetland drainage project hillside catchment grease trap box Hydraulic profile-treatment plant camera of bars Channel plan; channel design