A plan for an experimental sewage treatment plant . 11 ths size of ston^ in filters, whether covered or uncovered, end uponthe depth which ranees from 4 1 ^2 to 9 feet. T?:ach sprinklinr filter effluent may be run into a s ttlinf: basin. A complete report of theresults ohtained in these experiments has not b^^n puhlish^d. Like the Chicago station the (Cleveland plant takes sevz-ge to betested from an intercepting sewer. Instead of treating a constantquantity an endeavour is made to treat a constant portion of thetotal flow^ e. g. 1 1/2 per cent, or about 800,000 gallons a heavy stor


A plan for an experimental sewage treatment plant . 11 ths size of ston^ in filters, whether covered or uncovered, end uponthe depth which ranees from 4 1 ^2 to 9 feet. T?:ach sprinklinr filter effluent may be run into a s ttlinf: basin. A complete report of theresults ohtained in these experiments has not b^^n puhlish^d. Like the Chicago station the (Cleveland plant takes sevz-ge to betested from an intercepting sewer. Instead of treating a constantquantity an endeavour is made to treat a constant portion of thetotal flow^ e. g. 1 1/2 per cent, or about 800,000 gallons a heavy storms this portion (1 1/2 per cent) cannot, be the sewage has been pumped to th? grit-chamber, it flows thruthe devices by gravity. A velocity of 30 f=et per minute is main-tained in the grit chamber. Three plain sedimentation, two Imhoffand two septic tanks make up the preliminary apparatus. For studyingse7:age purification by dilution, they have two tanks 8 feet wide 10feet long and 6 fe-t d-ep, a screen house is used to test the ef-f


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Keywords: ., bookcentury1900, bookdecade1910, booksubjecttheses, bookyear1913