AccountingQueen

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  • MBA.Graduate Psychology,PHD in HRM
    Strayer,Phoniex,
    Feb-1999 - Mar-2006

  • MBA.Graduate Psychology,PHD in HRM
    Strayer,Phoniex,University of California
    Feb-1999 - Mar-2006

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Category > Engineering Posted 10 Oct 2017 My Price 5.00

BOD concentration

A pond with a single inflow has the following characteristics:

 

Mean depth = 3 m

Surface area = 2 * 105 m2

Residence time = 2 weeks

Inflow BOD concentration = 4 mg/L

 

A small village of 1000 people will discharge their raw sewage into this system. Each individual contributes about 600 L/person/day of wastewater and 0.125 gr/person/day of BOD.

 

Determine the BOD concentration in wastewater in mg/L.

If BOD decays at a rate of 0.1 day-1 and settles at a rate of 0.1 m/day, calculate the assimilation factor for the pond prior to building the village.

Calculate transfer function factor after building the village.

Determine the steady state concentration of BOD for the lake with and without the village.

Answers

AccountingQueen
(3)
Status NEW Posted 10 Oct 2017 07:10 AM My Price 5.00

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