Fugacity: It is derived from Latin, expressed as fleetness or escaping ...
Fugacity: It is derived from Latin, expressed as fleetness or escaping ...
Fugacity: It is derived from Latin, expressed as fleetness or escaping ...
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A=0.829<br />
B <br />
<br />
x ln<br />
<br />
1 1<br />
ln 2 1<br />
<br />
x2<br />
ln<br />
2 <br />
( 0.<br />
448)<br />
ln( 1.<br />
501)<br />
<br />
B ln( 1.<br />
47)<br />
1<br />
<br />
( 0.<br />
552)<br />
ln( 1.<br />
47)<br />
<br />
<br />
<br />
B=0.576<br />
2<br />
2<br />
Make use of the equations given below f<strong>or</strong> plotting graph of activity coefficients Vs<br />
composition.<br />
ln<br />
y<br />
1<br />
2<br />
2<br />
Ax2<br />
Bx1<br />
1 <br />
, ln<br />
2<br />
2 <br />
2<br />
T<br />
A<br />
<br />
x<br />
B<br />
1<br />
<br />
x2<br />
<br />
<br />
P1<br />
1x1P<br />
V1<br />
<br />
P x P x P<br />
x1<br />
1 1 V1<br />
x2<br />
2<br />
2<br />
V 2<br />
B <br />
<br />
x1<br />
x2<br />
<br />
A <br />
1<br />
<br />
2 x2<br />
P<br />
1<br />
x P<br />
1 2<br />
V 2<br />
1 1 V1<br />
0 1 6.745 1 0<br />
0.2 0.8 2.4 1.095 0.384<br />
0.4 0.6 1.644 1.374 0.4384<br />
0.6 0.4 1.21 1.721 0.5077<br />
0.8 0.2 1.0112 2.618 0.609<br />
1.0 0 1 3.723 1<br />
Margules equation<br />
Eetimation of activity coefficients<br />
ln x<br />
2<br />
A 2 B A x<br />
1<br />
2<br />
2<br />
2<br />
1<br />
<br />
B 2A<br />
B<br />
<br />
ln x x<br />
1<br />
2<br />
The constant A in the above equation <strong>is</strong> terminal value of ln1 at x1=0 and constant B <strong>is</strong><br />
the terminal value of ln2 at x2=0<br />
y1
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