Top Banner
CHE 306 Stagewise Operations Fall 2010 Fall 2010 Staged & Packed Column Design Staged & Packed Column Design Instructor: Dr. Housam Binous KFUPM, Dhahran KFUPM, Dhahran 1 Dr. Housam Binous PFUPM CHE306
60

CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

Mar 13, 2018

Download

Documents

vankhuong
Welcome message from author
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
Page 1: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

CHE 306Stagewise Operations

Fall 2010Fall 2010

Staged & Packed Column DesignStaged & Packed Column Design

Instructor: Dr. Housam BinousKFUPM, DhahranKFUPM, Dhahran

1Dr. Housam Binous PFUPM CHE306

Page 2: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

1/ Tray geometry

2/ column efficiency

3/ column diameter

/ d i i4/ downcomer sizing

5/ tray layout5/ tray layout

Student will be able to design column internals for 

staged & packed columns

2Dr. Housam Binous PFUPM CHE306

g p

Page 3: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

Sieve trays 

Holes punched or drilled in metal plate

Efficiency good at design conditions

Turndown is poor

Not good for fouling applications

3Dr. Housam Binous PFUPM CHE306

Page 4: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

4Dr. Housam Binous PFUPM CHE306

Page 5: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

Valve trays

Better turndown properties (more flexible if flow rate varies)

Large holes with fitted vales (= covers that move ↕)

Cage restricts upward movementCage restricts upward movement

Some valves are open while others are closed

Constant efficiency (even if flow varies)

No weeping, expensive, likely to plug

5Dr. Housam Binous PFUPM CHE306

Page 6: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

6Dr. Housam Binous PFUPM CHE306

Page 7: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

bblBubble‐cap trays

Riser around each hole, cap with holes over the riserp

Need large tray spacing (18 inches) because of entrainment

Poor turndown characteristics

7Dr. Housam Binous PFUPM CHE306

Page 8: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

8Dr. Housam Binous PFUPM CHE306

Page 9: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

Perforated plates

No downcomers

Larger holesLarger holes

Liquid weeps through holes and vapor passesh h f h lthrough center of holes

Not flexible (either works or not at all)

9Dr. Housam Binous PFUPM CHE306

Page 10: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

Cross‐flow pattern

10Dr. Housam Binous PFUPM CHE306

Page 11: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

Single pass

Double‐pass commonIf column diameter is large

Multiple‐pass

If column diameter is largeand liquid flow rates high

Reduce downcomer loading & liquid gradient on the tray

11Dr. Housam Binous PFUPM CHE306

Page 12: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

Downcomers & weirs: Control liquid distribution and flow

12Dr. Housam Binous PFUPM CHE306

Page 13: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

Oldershaw column used in pilot plants, pipe downcomer

Segmented vertical downcomer: most common, easy to install,allow wide variety of liquid flow rates

Sloped design used when V/L disengagement is difficult

Envelope design for very low liquid flow rates

13Dr. Housam Binous PFUPM CHE306

Page 14: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

Straight horizontal weir (2 to 4 inches height) 

cheap, poor turndown properties

14Dr. Housam Binous PFUPM CHE306

Page 15: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

Adjustable weirs: can be source of problems if not

adjusted well such as weeping and dry traysadjusted well such as weeping and dry trays

If needs flexibility in liquid rates: Use notched or picket‐

fence weirs

15Dr. Housam Binous PFUPM CHE306

Page 16: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

Trays, weirs and downcomer need mechanical support

16Dr. Housam Binous PFUPM CHE306

Page 17: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

Inlets & OutletsInlets should be designed to avoid excessive weeping &Inlets should be designed to avoid excessive weeping & 

entrainment when high‐velocity stream is added

17Dr. Housam Binous PFUPM CHE306

Page 18: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

low velocity liquid feedside inlet

feed w/ vaporhigher velocity feed

use baffles

large diameter columnlarge diameter columnrequires a distributor

18Dr. Housam Binous PFUPM CHE306

Page 19: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

Reflux or feed to the top tray: 

use fig. 10‐8 E or D if there is vapor in the feed

Intermediate feed: 

Use fig. 10‐9 A: for low velocity liquid feeds.

Use fig. 10‐9 B or C with baffles in order to prevent entrainment (when high velocity feeds or feeds with vapor)

Large column diameters: fig. 10‐9 E with distributor.

19Dr. Housam Binous PFUPM CHE306

Page 20: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

Vapor outlet & return

Vapor outlet easy to design, a demister may be used 

h f h l id li id iat the top of the column to avoid liquid entrainment

Vapor return at the bottom of the column should

be 12 inches above liquid surge levelbe 12 inches above liquid surge level

G d d i fi 10 10 AGood design: fig. 10‐10 A

Bad design: fig. 10‐10B vapor impinges on liquid

20Dr. Housam Binous PFUPM CHE306

Page 21: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

Thermosiphon reboiler with bottom draw‐off

21Dr. Housam Binous PFUPM CHE306

Page 22: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

Side drawoffs

Need to disengage vapor and liquid

Chimney tray is not an equilibrium stage Use downcomer sump and tapout

22Dr. Housam Binous PFUPM CHE306

Page 23: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

Tray efficiency

Overall efficiency

Murphree efficiencyMurphree efficiency

23Dr. Housam Binous PFUPM CHE306

Page 24: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

24Dr. Housam Binous PFUPM CHE306

Page 25: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

Generally, we have:

because:

25Dr. Housam Binous PFUPM CHE306

Page 26: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

In reality, we have depletion of liquid phase as it flows across the plate

Thus, we have:

Because one can have sometimes:

26Dr. Housam Binous PFUPM CHE306

Page 27: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

For multicomponent mixtures need to use:

One can find case where: 

Murphree and overall efficiency are related as follows:

27Dr. Housam Binous PFUPM CHE306

Page 28: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

Efficiency vs. vapor flow rate

As one lowers vapor flow rate: mass transfer less efficient

High vapor flow rates: causes floodding

L fl t i

28Dr. Housam Binous PFUPM CHE306

Low vapor flow rates: causes weeping

Page 29: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

ency Bubble‐cap trays

y   efficie p y

sing   tray

Sieve traysIncreas

Valve trays

29Dr. Housam Binous PFUPM CHE306

Page 30: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

O’Connell correlation

30Dr. Housam Binous PFUPM CHE306

Page 31: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

: relative volatility of key components

: viscosity at feed composition

in cPoise (1 cP= 10‐3 Pa.s)

Both and  are determined at average T and P of the column

31Dr. Housam Binous PFUPM CHE306

Page 32: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

If  increses then efficiency decreases 

(mass transfer rates are lower)( )

If increases then efficiency decreasesIf increases then efficiency decreases

(mass that must be transferred to obtain equilibrium is larger)

32Dr. Housam Binous PFUPM CHE306

Page 33: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

Column diameter

Ø should be chosen to avoid flooding

Fair’s procedure will be use:Fair s procedure will be use:

1/ determine uflood/ flood

2/ determine uoperating

3/ determine column diameter

33Dr. Housam Binous PFUPM CHE306

Page 34: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

Flooding vapor velocity

: surface tension dynes/cmft/s

: surface tension dynes/cm

C : capacity factorCsb,f: capacity factor

: density34Dr. Housam Binous PFUPM CHE306

: density

Page 35: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

Capacity factor vs. flow parameter

35Dr. Housam Binous PFUPM CHE306

Page 36: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

Capacity factor vs. flow parameter is more accurately

determined using eq. 10‐10 a, b, c, d, e and f given forg q , , , , g

various tray spacing in inches.

f lFor 6‐in tray spacing, for example, one must use eq. 10‐10a:

36Dr. Housam Binous PFUPM CHE306

Page 37: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

: ratio of holes area to active area of tray

Generally, 

If =0.08 multiply flood velocity with 0.9ti

If =0.06 multiply flood velocity with 0.8

correctionFactorsif  If  0.06 multiply flood velocity with 0.8

37Dr. Housam Binous PFUPM CHE306

Page 38: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

Operational velocity

fraction

generally between 0.65 and 0.9 

often one can take 0.75

38Dr. Housam Binous PFUPM CHE306

Page 39: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

Column diameter

39Dr. Housam Binous PFUPM CHE306

Page 40: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

Assume ideal gas law holds

40Dr. Housam Binous PFUPM CHE306

Page 41: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

Sieve Tray Layout

Holes on sieve plate have pattern

Obj ti fl f & li id th tObjective: ensure even flow of vapor & liquid on the tray

1/8 to 1/2 inch

41Dr. Housam Binous PFUPM CHE306

Page 42: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

shell / inlet downcomer: 2‐3 inches clearance

weir: 3 5 inches clearanceweir: 3‐5 inches clearance

holes 2.5‐5.0 inches apart

42Dr. Housam Binous PFUPM CHE306

Page 43: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

43Dr. Housam Binous PFUPM CHE306

Page 44: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

44Dr. Housam Binous PFUPM CHE306

Page 45: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

Vapor velocity through holes

chosen to provide flexibility to change feed flow rate

Should be above weeping and below flooding points

45Dr. Housam Binous PFUPM CHE306

Page 46: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

Tray Hydraulics

Tray and downcomer pressure heads caused

by various hydrodynamic effects

46Dr. Housam Binous PFUPM CHE306

Page 47: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

downcomer pressure drop p p

dry‐tray pressure drop 

Tray thickness

47Dr. Housam Binous PFUPM CHE306

Tray thickness

Page 48: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

frictional lossfrictional loss

in gallons/minutes

1 inch

g /

Liquid crestover the weir

48Dr. Housam Binous PFUPM CHE306

Weir correction factor

Page 49: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

Weir correction factor

49Dr. Housam Binous PFUPM CHE306

Page 50: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

relative froth densitybecause downcomer is not clear liquidbecause downcomer is not clear liquid

liquid is aerated

50Dr. Housam Binous PFUPM CHE306

Page 51: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

Residence time in downcomers

L+e=total liquid flow rate (including entrainment)L+e=total liquid flow rate (including entrainment)

51Dr. Housam Binous PFUPM CHE306

Page 52: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

Fractional entrainment

52Dr. Housam Binous PFUPM CHE306

flow parameter

Page 53: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

Condition for avoiding weeping

Surface tension head: surface tension (dynes/cm)

53Dr. Housam Binous PFUPM CHE306

Page 54: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

Valve tray design

Bolles’s method uses sieve tray design as a basis and makes

some modifications as necessaryy

Eqs. (10‐26) to (10‐30) are unchanged

Eq. (10‐23) is unchangedq ( ) g

Eq. (10‐24) is no longer valid.

Need to computehP,dry differntly

54Dr. Housam Binous PFUPM CHE306

Page 55: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

Dry tray pressure drop

log‐log scale

55Dr. Housam Binous PFUPM CHE306

Page 56: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

valve

Aslot per valvegas flow

hole

56Dr. Housam Binous PFUPM CHE306

Page 57: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

Different values for all closed or all open valves

valve weight

Correction factor due to turbulence

valve area

57Dr. Housam Binous PFUPM CHE306

Page 58: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

Packed columns internalsceramic/plastic saddle

Pall ringg

structured packing

58Dr. Housam Binous PFUPM CHE306

Page 59: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

Packed distillation column

59Dr. Housam Binous PFUPM CHE306

Page 60: CHE 306 StagewiseOperations Fall 2010 - KFUPMfaculty.kfupm.edu.sa/CHE/binoushousam/files/binous... · CHE 306 StagewiseOperations Fall 2010 ... Chimney tray is not an equilibrium

HETP: Height Equivalent to a Theoretical Plate

60Dr. Housam Binous PFUPM CHE306