Constant extraction rate period:
m = QY ∗ [1 − exp(−Z)]t (1)
Falling extraction rate period:
m = QY ∗ [t − tCER exp(Zw − Z)] (2)
Diffusion controlled extraction rate period:
m = mSI
Xo − Y∗
W ln
1 +
exp WXo
Y∗
− 1
exp WQ(tCER − t)
mSI Xk
Xo
(3)
where:
Z = mSIkYA
Q(1 − )s
(4)
W = mSIkXA
Q(1 − ) (5)
ZW = ZY∗
WXo
lnXo exp
WQ(t − tCER)/mSI
− Xk
Xo − Xk
(6)
tCER = mSI(Xo − Xk)
Y ∗ ZQ (7)
mSI = XoF (8)
Being