Report on Industrial Wastes from the Stockyards and Packingtown in Chicago |
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24 hours 30 mesh 39th St acid acidified activated sludge aeration period aeration tanks ammonia amount analyses April April 23 Ashland Ave average basin biochemical oxygen demand biologic oxygen demand Bubbly Creek Center Ave Chicago Chicago River crude sewage day sewage detention period discharged Dortmund tank dry screenings Emscher ether soluble filter pressing filtrate hopper Imhoff tank increased Influent Effluent John Agar July July 23 June main settling tank March March 27 moisture content night nitrate November 14 obtained operation organic nitrogen outlet packers Packing Packingtown Percent Moisture plant press cake pump Racine Ave samples Sanitary District sedimentation Sept settling basin settling period sewer sludge returned sprinkling filter Stockyards suspended matter suspended solids Swift & Co TABLE tank tank testing station total suspended treatment volume waste weight West Arm