# Biochemical Oxygen Demand Equation Calculator

## Water Wastewater Sewage Treatment Formulas

### Solving For Biochemical Oxygen Demand. #### Inputs:

 ultimate BOD (L) kilogram/meter^3gram/centimeter^3gram/meter^3gram/milliliterkilogram/deciliterkilogram/litermilligram/literounce/foot^3ounce/inch^3pound/foot^3pound/bushel UKpound/bushel USpound/gallon UKpound/gallon USpound/inch^3pound/yard^3ton metric/meter^3slug/foot^3slug/inch^3
 deoxygenation rate constant (k) second^-1day^-1hour^-1minute^-1year^-1

#### Conversions:

 ultimate BOD (L)= 0 = 0milligram/liter
 deoxygenation rate constant (k)= 0 = 0day^-1
 time (t)= 0 = 0day

#### Solution:

 biochemical oxygen demand (BODt)= HAS NOT BEEN CALCULATED

#### Other Units:

Change Equation
Select to solve for a different unknown Solve for biochemical oxygen demand Solve for ultimate biochemical oxygen demand Solve for deoxygenation rate constant Solve for time Solve for seeded biochemical oxygen demand Solve for seeded biochemical oxygen demand
Where
 BOD = biochemical oxygen demand L = ultimate biological demand k = deoxygenation rate constant t = time D1 = initial diluted seeded wastewater dissolved oxygen D2 = final diluted seeded wastewater dissolved oxygen B1 = initial diluted seed sample DO B2 = final diluted seed sample DO f = seed volume ratio P = wastewater decimal fraction

References - Books:
Warren Viessman, Jr, Mark J. Hammer. 1993. Water Supply and Pollution Control. Harper Collins College Publishers. 5th ed.

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