Enter the volume of the empty bed (gallons) and the flow rate (GPM) into the Calculator. The calculator will evaluate the Empty Bet Contact Time. 

Empty Bet Contact Time Formula

EBCT = V / FR

Variables:

  • EBCT is the Empty Bet Contact Time (minutes)
  • V is the volume of empty bed (gallons)
  • FR is the flow rate (GPM)

To calculate Empty Bet Contact Time, divide the empty bed volume by the flow rate.

How to Calculate Empty Bet Contact Time?

The following steps outline how to calculate the Empty Bet Contact Time.

  1. First, determine the volume of the empty bed (gallons). 
  2. Next, determine the flow rate (GPM). 
  3. Next, gather the formula from above = EBCT = V / FR.
  4. Finally, calculate the Empty Bet Contact Time.
  5. After inserting the variables and calculating the result, check your answer with the calculator above.

Example Problem : 

Use the following variables as an example problem to test your knowledge.

volume of empty bed (gallons) = 500

flow rate (GPM) = 700