Transcript
  • 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

    h tray,

    ake st be

    about , 12

    ors

  • Structureflows dowgas flowsarea of thmodel fothe numbrelationshit is essenthe large steel be t

    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

    k of


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