adjusting the floway operating conditions such that a predetermined pollutant precipitates onto and into said cell walls whereby said water exiting said {HEAD ~ floway} contains {TAIL ~ a decreased quantity} of pollutants and the pH of said water exiting said floway has not substantially increased relative to said water entering said floway 
contains
adjusting the floway operating conditions such that a predetermined pollutant precipitates onto and into said cell walls whereby said water exiting said { HEAD ~ floway } contains { TAIL ~ a decreased quantity } of pollutants and the pH of said water exiting said floway has not substantially increased relative to said water entering said floway
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH