Water Wastewater Sewage Treatment Formulas

biochemical oxygen demand (BOD_{t})

= 0

= 0

milligram/liter

ultimate biochemical oxygen demand (L)

= 0

= 0

milligram/liter

time (t)

= 0

= 0

day

deoxygenation rate constant (k)

= HAS NOT BEEN CALCULATED

Select to solve for a different unknown

Where

BOD | = | biochemical oxygen demand |

L | = | ultimate biological demand |

k | = | deoxygenation rate constant |

t | = | time |

D_{1} | = | initial diluted seeded wastewater dissolved oxygen |

D_{2} | = | final diluted seeded wastewater dissolved oxygen |

B_{1} | = | initial diluted seed sample DO |

B_{2} | = | 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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