Environmental engineering

posted by .

If the BOD5 of a waste is 220 mg/L and the ultimate BOD is 320 mg/L, what
is the rate constant?

  • Environmental engineering -


Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. environmental

    What problems may arise from mixing household hazardous waste with other domestic waste?
  2. Environmental Science

    If you were an environmental researcher and were given funding to assist with one environmental issue, which of the following topics would you choose to spend your funds on?
  3. Environmental engineering

    The company you work for plans to release a waste stream containing 7 mg/L of benzaldehyde . Assuming that benzaldehyde degrades according to the reaction: C7H6O + 8O2 → 7CO2 + 3H2O Calculate the theoretical carbonaceous oxygen …
  4. chemistry

    The rate constant for this first-order reaction is 0.320 s–1 at 400 °C. A--> Products How long (in seconds) would it take for the concentration of A to decrease from 0.830 M to 0.220 M?
  5. Environmental Control Engineering

    A development in a town was designed to accomodate 10,000 people, in 2,000, 5 units building, each person in this settlement uses an average of 5 gallons of water per day for washing purposes. As an engineering technician you are required …
  6. waste water treatment

    QF Description Wastewater from a small town is treated in a trickling filter which is preceeded by a screen, sand-removal and primary clarification. The maximum hydraulic capacity, or peak flow, of the treatment plant is 1,500 m3/h. …
  7. Science

    Associate each item in the table with at least one field of science and one area of technology/engineering. Choose from the terms given at the bottom. Automobile aspirin shirt computer pesticide satellite robot atomic bomb vaccination …
  8. environmental engineering

    Pesticide is applied to a 10 ha (hectare) field at an average rate of 1 kg/ha every month. The soil is regarded as 20 cm deep and well-mixed. The pesticide evaporates at a rate of 2% of the amount present per day and it degrades microbially …
  9. environmental engineering

    A lake receives 8 m3/s of inflow containing 0.3 mol/m3 of a chemical. The chemical reacts with a first order rate constant of 0.01 h-1. The outflow from the lake is also 8 m3/s. Assume there was no chemical in the lake at the beginning …
  10. Environmental Science

    Which type of solid waste is mostly paper, yard waste, food waste and plastics?

More Similar Questions