blob: 2f51dc18b436c97713bd281cf3fe34a699a7ea09 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
|
clear;
clc;
// Illustration 9.9
// Page: 536
printf('Illustration 9.9 - Page: 536\n\n');
// solution
F = 7; // [water flow rate, L/s]
Z = 3; // [m]
d = 2.6; // [m]
A = %pi*d^2/4; // [cross sectional area, square m]
vo = 0.013; // [superficial velocity, m/s]
cf = 7*10^-3; // [Ca2+ ion concentration, eq/L]
qstar_F = 2.9; // [cation capacity, eq/kg]
rowp = 1.34; // [kg/L]
e = 0.38; // [porosity]
// From equation 9.66
t_star = Z*qstar_F*rowp*(1-e)/(vo*cf*3600); // [hour]
printf("The ideal breakthrough time for the ion exchanger is %f hour.\n\n",t_star);
|
