diff options
author | priyanka | 2015-06-24 15:03:17 +0530 |
---|---|---|
committer | priyanka | 2015-06-24 15:03:17 +0530 |
commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
tree | ab291cffc65280e58ac82470ba63fbcca7805165 /632/CH9/EX9.5/example9_5.sce | |
download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip |
initial commit / add all books
Diffstat (limited to '632/CH9/EX9.5/example9_5.sce')
-rwxr-xr-x | 632/CH9/EX9.5/example9_5.sce | 24 |
1 files changed, 24 insertions, 0 deletions
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 = ")
|