Chicago : Engineering and Contracting Pub. Co. · leaf 479
eteslabs. The discharge of these canals has beendetermined for various water levels by carefulmeasurements and curves have been drawnwhich enable the attendant to read the quan-tity of flow in second litres, and the detentionperiod in minutes. Frequently the water gageis read for 24-hour periods at… … SludgeDrying Place JracH Influent Screen[ng HContg 9 Emxher JanHo Fig. 2—Sketch Plan of Sewage Clarifica-tion Works for 60,000 Population atEssen, Germany. of Operation! and after a period of about 2years. From this it can he seen that the hour-ly variation is considerable and that a substan-tial…
Buildings
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