From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001
From: priyanka
Date: Wed, 24 Jun 2015 15:03:17 +0530
Subject: initial commit / add all books

---
 632/CH9/EX9.5/example9_5.sce | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100755 632/CH9/EX9.5/example9_5.sce

(limited to '632/CH9/EX9.5/example9_5.sce')

diff --git a/632/CH9/EX9.5/example9_5.sce b/632/CH9/EX9.5/example9_5.sce
new file mode 100755
index 000000000..e4466866a
--- /dev/null
+++ b/632/CH9/EX9.5/example9_5.sce
@@ -0,0 +1,24 @@
+//clc()
+//let, W - waste acid, S - Sulfuric acid, N - nitric acid, M - mixed acid
+xsh2so4 = 0.95;
+xsh2o = 0.5;
+xwh2so4 = 0.3;
+xwhno3 = 0.36;
+xwh2o = 0.34;
+xmh2so4 = 0.4;
+xmhno3 = 0.45;
+xmh2o = 0.15;
+xnhno3 = 0.8;
+xnh2o = 0.2;
+M = 1000;//kg
+// total material balance, W + S + N = 1000;
+//H2SO4 balance, xwh2so4 * W + xsh2so4 * S = xmh2so4*M
+//HNO3 balance, xwhno3 * W + xnhno3 * N = xmhno3*M
+//H2O balance, xwh2o*W+xnh2o*N + xsh2o*S = xmh2o*M
+//solving the above equations simultaneously, we get,
+W = 70.22;//kg
+S = 398.88;//kg
+N = 530.9;//kg
+disp("kg",W,"Waste acid = ")
+disp("kg",S,"Concentrated H2SO4 = ")
+disp("kg",N,"Concentrated HNO3 = ")
-- 
cgit