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INDUSTRIAL A N D ENQINEERING CHEMISTRY
Vol. 20, Xo.1
Scientific Sewage Disposal at Milwaukee' Robert Cramer and John Arthur Wilson SLWBRACII COYMISSION 011 TNI CITY os! MILNAUSIIB, WZ~CON~IN
F l u r e 1 Alralsne View of Milwaukee's S e w a m Disposal Plant the backiiousd. from l e f l to r i ~ b i?re iteratioil funks. sedimentation fonkr, aeration tank% and feiiiiircr-storage house. I s front of these, from left t o rixhi, ar; t h e c o a r s e - s ~ r e ~house, n power h m s e , experimental plant and fine-screen house and lihoiatury. In iioni of the power house are the grit chambers. To the "ght of these is the Biter d o m e and behind It the drier lii
IhOUie.
Probably nowhere else in the world is sewage disposed The scope of this paper is BOUT f i f t e e n y e w s of so effectively on so large a scale as at Milwaukee. limited to a brief description ago, bJ a rt.ferendurn The new activated sludge plant is capable of separating of the plant and its operation vote the people of 100,000,000 gallons of sewage Per day into Practically and of some of the cheniical .\lilwaukee, acolnlnissionwas pure water and adry powder of high fertilizer value, and principles involved.