Maurice Tutor

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Algebra,Applied Sciences,Biology,Calculus,Chemistry,Economics,English,Essay writing,Geography,Geology,Health & Medical,Physics,Science Hide all
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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 06 Apr 2018 My Price 5.00

source of untreated sewage

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1- The following data have been collected for dissolved and total BOD below a point source of untreated sewage into a stream. Use this data to estimate the BoD removal rates (kn k, and ka for the river. The velocity and depth are 6600 m/d and 2 m, respectively. x (km) 0 5 10 15 20 25 30 35 Dissolved (mg/L) 20 17 14.7 12.9 11.6 10.5 9.6 8.9 Total (mg/L) l 40 294 22.5 178 14.6 12.3 107 9.6 x (km) 40 45 50 60 70 80 90 100 Dissolved (mg/L) 8.3 7.8 7.3 6.6 6.0 5.5 5.1 4.7 Total (mg/L) 87 l 80 7.5 l 67 60 5.5 5. 47 2- The following data are measured for a polluted lake with a mean depth of 12m following overturn: t (day) 0 4 8 12 16 20 24 28 32 l DO (mg/L) 5 6.4 l 6-8 l 7-8 l 8 l 8.5 8.5 8.5 8.8 Determine the reaeration rate and the oxygen mass-transfer coefficient the saturation during the sampling period was 9 mgL
 
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Maurice Tutor
(5)
Status NEW Posted 06 Apr 2018 06:04 PM My Price 5.00

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