文档介绍：Sheet 2 of 5
Sheet 1 of 5
SCRUBBER DESIGN (PACKED COLUMN)
Prepared by : Checked by : Date :
In put Data
Pack ing type
Pack ing size
Packi ng MOC
Gas pr. Drop / m bed
Total pack ing height
Colu mn Tag No. Job No.
Clie nt
Project
Stream
In tallox Saddles
25
mm
PP
15
mmWC / m pack ing height

m (in clud ing all packed beds)
HCL Scrubber
4506A
JOL
SR - Pla nt -4, 5
HCL Vap.
I 2
(N/m )/m
Gas / Vapour Properties
Gas / Air flow rate
Gas pressure at entry
Gas temperature at entry
Gas / Air mol weight
1000 kg/h
kg/s
atm
oC
29
Comp onent to be scrubbed
Comp onent Name
= HCL Vap
Comp onent flow rate
= 70
Kg/h
% comp. in air/gas
= 6
% (v/v)
Molecular weight of comp.
=
Liquid / Scrubb ing media Properties
Scrubb ing media
Liquid flow rate, L
Liquid Den sity, Cl
Liquid Viscosity, 札
=|
kg/s
=
3
1100 kg/m
2
= Ns/m
=20% NaOH
= 77 kg/h
Pack ing factor, F p =
Charac. Pack ing Factor,C f = Con vers ion factor, J =
OR
(presumed) / (give n by clie nt) / (by process cal.)
Con vers ion :
Cp
Ns/m
21 m
33 Ref. Table , Characterstics of Ran dom pack ings
factor for adequate liquid distribution & irrigation across the bed
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Sheet 3 of 5
Calculati ons
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TO CALCULATE COLUMN DIAMETER
Si nee larger flow qua ntities are at the bottom for an absorber, the diameter will be chose n to accommodate the bottom eon diti ons.
To calculate Gas den sity
Kg / Kmol
Avg. molecular weight
If gas flow rate is give n in kg/h
If gas flow rate is give n in m3/h
Gas in

Kmol/s
Gas in
kmol = mass / mol wt
=(kmol/s) x T 齐 kelvin x 1j0$tm
2 73 pr. |n [atm
m /s
[273
x pr. in atm〉
T in kelvin』
( atm