Gly The contglycol. Mthis to ocThis is acinstallatio The mostThe
gas fthe glycoglycol flocannot bytransfer oequilibriuabout theuse
of thecontactedapproxim6 to 10 trto 14 tray
FEA
ycol abso
tactor is the vMost of the wccur, it is necccomplishedon of
trays, s
t common trflows from bol liquid thatows down toypass any traof
the water um in mass te necessary deoretical equd. Because o
mately four arays are instays are install
Fig. 5.9IlluEngineering Association).
orbers Fu
vessel in whwater vapor icessary to crd with specifstructured
pa
rays used in below each tt flows acroso the next traay. The gas
bfrom the gastransfer is nodehydration uilibrium staof the
dynamactual trays aalled in a conled in glycol
ustration of Data Book
.
unction o
hich the massis extracted freate a large fic internal eacking,
or ra
this applicattray through ss and on topay below throbubbles
provs to the glycot reachedof the gas. I
ages for detemic conditionare used for entractor, usul absorbers
to
f bubble capof Gas Proc
of the Con
s transfer of from the gassurface areaquipment co
andom packi
tion are bubbthe bubble c
p of each trayough a downvide the larg
col. Because several tray
n the designrmining how
ns, equilibriueach theoretually spaced o minimize g
p and bubblcessors Supp
ntractor
the water ocs phase into ta between thonfigurationsing.
ble cap trayscap and formy. After flown comer, whge surface
ar
of the shortys are neededn of dehydratw many timeum in mass
trtical equilibr24 in. apart.glycol circul
le cap tray ipliers Associ
or Absor
ccurs from ththe liquid glye gas and thes, such as thr
s, as illustratms small bubwing across ohich ensures ea needed
tot contacting td in a contactors, the calces the gas anransfer is
norium stage. In. In more reclation.
in contractoiation and G
rber
he gas to theycol phase. Fe liquid glycrough the
ed in Fig. 5.bbles of gas ione tray, thethat the gas
o effect the time on each
ctor to bring culations mad glycol mu
ot reachedn practice, acent designs,
or (after Gas Processo
e For col.
.9. in
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ake st be
about , 12
ors
Structureflows dowgas flowsarea of thmodel fothe
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F
ed packing cwnwards as s upward thrhe glycol thaor mass transber
of theorehip of packinntial that thesurface area
thoroughly c
Fig. 5.10Il
onsists of ara thin film.
rough the strat flows dowsfer to occur.etical stages rng height
pe
e glycol be eva is providedclean, so that
llustration o
rrangements Elements of
ructured packwnward as a f
. The designrequired. Th
er theoreticalvenly distrib
d by the dowt all of the st
of structured
of corrugatef structured pking and is ifilm on the p
n for the heighe suppliers ol equilibriumbuted across
wnward flowiteel is wetted
d packing e
ed steel interpacking are iin intimate cpacking. Thight of the
pacof structured
m stage. Whethe top of th
ing glycol, itd by the glyc
elements (co
rnals, over willustrated in
contact with s creates a vcking requird packing haen using
struhe packing. Tt is also essecol.
ourtesy of K
which the glyn Fig. 5.10. Tthe large sur
very efficientred is relatedave developeuctured packTo ensure
thential that th
Kock-Glitsch
ycol The rface t
d to ed the king, hat e
h).
Similarlysurface aAgain, thused in thhave corr
FG
y, random paarea for masshe total heighhe design anrelations
for
Fig. 5.11IlGas Processo
acking of vars transfer. Vaht of the pac
nd the heightpacking hei
llustration oors Suppliers
rious types carious types
cking in the vt of packing ight per theo
of types of rrs Associatio
can also be uof random p
vessel is relaper theoretic
oretical stage
andom packon and Gas P
used in glycopacking are iated to the nucal stage. The.
king (after EProcessors A
ol contactorsillustrated inumber of thehe suppliers o
EngineeringAssociation)
s to create thn Fig. 5.11. eoretical stagof the packin
g Data Book).
he
ges ng
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