Home Infrastructure Environmental Sanitation ptar pretreatment ptar pretreatment Description Save Anaerobic ptar pre-treatment Format DWG File size 869.53 KB DOWNLOAD DWG share your appreciation Related Posts Reinforced concrete culverts Bars chamber plan with its details Details sewerage vis Cross pipe under roadway Drainage public sewerage project pumping chamber manhole cover Sewer mouths of visit drain mailbox Sewerage plan – atarjeas Hydraulic drop cut sand trap sewage infiltration ditches Fractionation – rainwater network Bottom intake sizing Sanitary sewer network baden system Processing facilities