Sewage disposal . Pig. 45. View of Interior of Septic Tank at Saratoga, N. Y. (cour-tesy of F. A. Barbour). the clear liquid between the scum and deposit and apply it toany beds previous to the discharge of the sludge. _ The cost of theseptic tanks was $15,500. A special device, shown in Fig. 46, was installed, for aeratingthe septic effluent before it passes to the sand beds. The effluentflows over perforated sheet-iron plates, hung in three layersaround a central riser pipe. The sewage entering the septic tankcontained, in certain tests reported by Barbour, per cent ofthe oxygen necessar
Sewage disposal . Pig. 45. View of Interior of Septic Tank at Saratoga, N. Y. (cour-tesy of F. A. Barbour). the clear liquid between the scum and deposit and apply it toany beds previous to the discharge of the sludge. _ The cost of theseptic tanks was $15,500. A special device, shown in Fig. 46, was installed, for aeratingthe septic effluent before it passes to the sand beds. The effluentflows over perforated sheet-iron plates, hung in three layersaround a central riser pipe. The sewage entering the septic tankcontained, in certain tests reported by Barbour, per cent ofthe oxygen necessary for saturation. The septic effluent con-tained none; but after aeration the value rose to per cent, THE SARATOGA TANK 161. Fig. 46. Sewage Aerator at Saratoga, N. Y. (courtesy of F. A. Barbour).
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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherlondo, bookyear1919
