1 files changed, 17 insertions, 0 deletions
diff --git a/632/CH9/EX9.20/example9_20.sce b/632/CH9/EX9.20/example9_20.sce
new file mode 100755
index 000000000..0e3bc5b05
--- /dev/null
+++ b/632/CH9/EX9.20/example9_20.sce
@@ -0,0 +1,17 @@
+//clc()
+F = 100;//kg/h
+xf = 0.2;
+xp = 0.93;
+xr = 0.5/1.5;
+xx = 0.65;
+//R - recycle stream, P - Product stream , W - water separeted and removed
+//component A balance, F * xf = P * xp, that is,
+P = F * xf / xp;
+//Total balance, F = P + W,therefore
+W = F - P;
+//x be the flow rate of strea entering the filter 
+//total balance, x = P + R                             (1)
+//component A balance , 0.65 * x = 0.5*R/1.5 + 0.93P   (2)
+//Solving 1 and 2, we get,
+R = (xx * P - xp * P)/(xr - xx);
+disp("kg/h",R,"Flow rate of the recycle stream = ")
+\ No newline at end of file