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GAS ABSORPTION
Group # 8
Briones, Neil Ryan V.
Magleo, Michael Angelo M.
Moina, Ma. Be!ina Isa"el V.Paguia, Nia $.
Rorigue%, &ohn Paul I.
Sangalang, &oanna 'e%a '.
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OB&($TIV(S
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A"sorp!ion is a *ass !rans+er opera!ion in hich a -apour
solu!e A in a gas *i!ure is a"sor"e "y *eans o+ li/ui in
hich !he solu!e is *ore or less solu"le. The gas *i!ure 0Gas
Phase1 consis!s o+ *ainly o+ an iner! gas an !he solu!e. The
li/ui 02i/ui Phase1 is pri*arily i**isci"le in !he gas phase3
i!s
-apori%a!ion in!o !he gas phase is rela!i-ely s*all. A
!o4phase
5o occurs in a sys!e* con!aining gas an li/ui i!h
a *eniscus separa!ing !he !o phases.
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R(S)2TS AN' 'IS$)SSION
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Column Pressure Drop: 8**7O
Column Temperature: 9 egrees $elsius
Atmospheric Pressure: : a!*
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;9 < ;lo Ra!e O+ $ar"on 'ioie; < ;lo Ra!e O+ AirV: <
Volu*e O+ Gas Sa*ple Taen In 7e*pl Appara!us 0*21V < $orrespons
To A*oun! O+ Gas A"sor"e In 7e*pl App0*21
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The *ole +rac!ions ere co*pu!e "asing on i!s -olu*e ra!io
o+ a*oun! o+
gas a"sor"e in !he e/uip*en! an gas sa*ple !aen on i! i!h !he
help o+
7e*pl appara!us. ;ro* !he resul!s, i! can "e o"ser-e !ha! !he
ou!le! s!rea*
has a loer -alue o+ *ole +rac!ions ha-ing an a-erage o+ =.:>
in !hree !rialshen "eing co*pare !o !he inle! s!rea* o+ =.?@, =.9,
an =.98 "ecause
so*e o+ !he car"on ioie *olecules ere a"sor"e "y !he li/ui a!er
upon
!heir con!ac! in !he colu*n. Moreo-er, !he *ole +rac!ion in !he
inle! s!rea* is
*uch higher !o !he ou!le! ue !o !he pacing *a!erials in !he
colu*n hich
helps increase !he sur+ace area o+ con!ac! "e!een !he air an
a!er.
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$ON$2)SIONS
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I! can "e conclue !ha! !he eec!i-eness o+ issolu!ion o+
car"on ioie in a!er as cause "y !he presence o+ pacing
*a!erials in !he colu*ns. 7ence, i! gi-es a higher sur+ace
area
o+ con!ac! o+ !o 5uis.
Also, li/ui a!er a"sor"e so*e o+ !he gas *olecules o+ car"on
ioie in air ue !o !he *ole +rac!ion o+ $O in !he ou!le!
s!rea*
is less !han !ha! o+ !he *ole +rac!ion o+ !he inle! s!rea*.
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R($OMM(N'ATIONS
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The eec! o+ changing !he pressure rop in !he
colu*n coul also "e one in !he eperi*en!.
Precau!ion is highly reco**ene oing !his since
gas is !he *aor co*ponen! o+ !he eperi*en!.
2eaage *us! "e a-oie !o a!!ain relia"le resul!s.
