Homework Sourse1118 Two tracers one reactive and one nonreactive are simult
11.18 Two tracers, one reactive and one non-reactive, are simultaneously injected through a well into an aquifer. One month later, the center of mass of the reactive contaminant is located 5m from the well, and the center of mass of the non-reactive contaminant is located 25m from the well. If the aquifer porosity is 0.33 and the dry bulk density is 1,650kg/m2, estimate the retardation coefficient and the partition coefficient.
Solution
Calculation:
R = [1 + (pb/è)(Kd)]
pb (dry bulk density): 1650
è (porosity): 0.33
Kd (distribution coefficient): 25/5 = 5
R = [1 + (pb/è)(Kd)]
= [1 + (1652/0.33)(5)]
RETARDATION COEFFICIENT =1001
