Air scour/backwash apparatus for celless traveling bridge filter

摘要: A method of backwashing a filter includes a) supplying backwash liquid via conduit toward one end bed; b) aspirating air into the upstream c) introducing mixture and bed at thereof; d) expelling water from an opposite bed. related system basin having media material therein; filtrate channel proximate basin; least tubular underdrain header in fluid communication with channel; pump supply selectively engageable for to The nozzle location between