Multi Component Distillation-Distilation-Lecture Slides, Slides of Chemical Separation Processes

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By

Dr

M

Tayyeb

Javed

Dr.

M.

Tayyeb

Javed

Ref.: Elements of Fractional Distillation by Robinson and Gilliland

FundamentalsFundamentals …

The Generalized RulesThe Generalized Rules …

The

Degree

of

Freedom

The phase rule:

F=C

P+

Th h i f Th e choice of…

Th T i l C t ti Th e T erminal C oncentrations…

L

i

d M

h

M

h d

L

ewis

and

M

atheson

M

ethod

SolutionSolution …

At this assumed temp.

o

C),

the sum of partial pressures is seen to be very close to

and the temperature is satisfied. First assumption was quit reasonable when we look only y w

Generally we proceed if it is within

error.

The K method