Home Infrastructure Environmental Sanitation Biological filter Biological filter Description Save Biological filter treatment plant / sanitation work Format DWG File size 1.15 MB DOWNLOAD DWG share your appreciation Related Posts Septic tank or septic tank; sewer alternative project doc Drainage and sewage system Storm Sewer Project Drainage works for rainwater channel plans circular manhole Evotanspiration platform - septic tank with biological filter Wastewater treatment plant Detail for pipe placement Aqueduct – calculations Scheme of typical treatment plant Mailbox Expansion of sanitary sewer system Two-chamber septic culvert details Distribution network for a drinking water and sewerage project Rainwater drainage gutters Sludge band filter diagram Primary sewage treatment: imhoff tank