viii, 97 p. : ill. ; 24 cm.

Machine generated contents note: ch. 1 Introduction -- Background -- Early history -- The romans -- The middle ages -- The eighteenth century -- ch. 2 Water supply -- Water supply -- London bridge water works -- The new river company -- Pumping distribution and storage -- Water mains -- Filtration -...

Contents note continued: Contact filter with partially submerged rotating plates -- ch. 6 The activated sludge process -- Aeration experiments -- American experiments -- Work at Manchester -- The discovery of activated sludge -- Surface aeration -- Simplex cone aeration -- The kessener brush aeratio...

Contents note continued: Trade effluent charges -- River pollution legislation -- Royal commissions -- The river boards -- The water authorities -- River quality classification -- Chemical analysis of sewage -- Analytical advances -- Quality monitoring -- ch. 9 Process Development and Selection -- E...