Biochemical Oxygen Demand Equation Calculator
Water Wastewater Sewage Treatment Formulas
Solving for Time.
Inputs:
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Conversions:
biochemical oxygen demand (BODt)
= 0
= 0
milligram/liter
ultimate biochemical oxygen demand (L)
= 0
= 0
milligram/liter
deoxygenation rate constant (k)
= 0
= 0
day^-1
Solution:
time (t)
= HAS NOT BEEN CALCULATED
Other Units:
Change Equation
Select to solve for a different unknown
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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