Journal of Separation Science and Engineering Vol. 1, No. 1, 2009, pp MATLAB
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1 Journal of Separaton Scence and Engneerng Vol. 1, No. 1, 29, pp /.. 5 (... MT.. : : 5
2 ( ; [ ]. MT.. -٢ PS. PS ( (. /. -١ ( Pressure Swng dsorpton, PS...[ ]. Skarstrom..[ ] PS... :....[ ].[ ] [ ].[ ] [ ] PS.[ ] ٢
3 ( ;..... PS. On/Off.. On/Off.. GC... PI. RTD.... :( ٣
4 ( ;.... :(.. ( ٣. :..... ٤
5 ( ;..... t t q ( t : q t q q q t = = k k ( q q ( q q ( : b q = 1 + b C b q = 1 + b C S S C + b C + b C C ( ( (. : C ( z, t = = ( ( z, t = = ( q V 1 + C t + ( q + = t ε ε ( (Orthogonal Collocaton.. [ ] Collocaton Fnlayson. (. MT. (.. R. R R. R R PI PI... NV NV NV. -۴..[ - ] : (DF -4. : 2 C C D + V 2 t z 1 ε q + ( = ε t 1 near Drvng Force C z + C V z : ( ٥
6 ( ;.... :( D D D D D + = V ( = C C z = z = = z = z = = z = z = = = = V = ( = z C C z = z = + = V ( = C C z z = = + = V ( = C C z z = = + = V ( = C C z z = = V = V OH V V = = V = V V V V = = = O :( Feed Composton Ntrogen 79%, Oxygen 21% dsorbent 5 zeolte Partcle sze 1/16 nch Partcle shape Pellet Partcle densty 67 gr/lt Column length 1 cm Column dameter 3.5 cm ed vodage.4 ٦
7 ( ; ۶ /. / /. PS. (.. -۵... /.. :( Run Press (bar Tme (Sec Feed (m3/hr Purge (m3/hr %Purty Sm. Exp. %Recovery Sm. Exp ٧
8 ( ;.... Recovery % :( :( Cycle Tme 2 Sec Cycle Tme 3 Sec Cycle Tme 4 Sec Producton Rate(m3/hr. ( ( PS... ( (. :( / ( ( 1 Purty 2 Recovery ٨
9 ( ;..... (.. / (.. (.... Recovery % 5 45 Exp Sm P u r t r y % Exp Sm Feed Rate(m3/hr / :( Pressure(bar :( P u r ty % Ex p Sm ( Feed Rate(m3/hr :( / PS ٩
10 ( ;.... (cm 3 /mol : b (mol/cm 3 : C (mol/cm 3 : C t (cm 3 /sec : D l (sec -1 : k (m : (cm/sec :V (sec : t (mol/cm 3 : q * : q (mol/cm 3 (mol/cm 3 : q s (cm : z : ε Pu rtry % Exp.(Cycle 4 Sec Sm.(Cycle 4 Sec Exp.(Cycle 4 Sec Sm.(Cycle 4 Sec Recovery % :( / [1] R.T. Yang, "Gas Separaton by dsorpton Processes", utterworth Publshers, (1987. [2] M. Suzuk, "dsorpton Engneerng", John Wley & Sons, Inc., (1989. [3] D.M.Rutven.,"Prncples of dsorpton & dsorpton Processes", John Wley & Sons, Inc., (1984. [4] Ch.T. Chou, W.Ch. Huang, "Smulaton of a Four- ed Pressure Swng dsorpton Process for Oxygen Enrchment", Ind. Eng.Chem. Res.33, (1994. [5].M.M. Mendes, C..V. Costa,.E. Rodrgues, " Oxygen Separaton from r by PS: Modellng and Expermental Results, Part I: Isothermal Operaton", Separaton and Purfcaton Technology, 24 ( [6] J.G. Jee, M.. Km, Ch.H. ee, "Pressure Swng dsorpton Processes to Purfy Oxygen Usng a Carbon Molecular Seve", Chem. Eng. Sc., 6( [7] J. C. Santos, P. Cruz, T. Regala, F. D. Magalhaes,. Mendes, "Hgh-Purty Oxygen Producton by Pressure Swng dsorpton" Ind. Eng. Chem. Res, 46 ( [8] Xu. Jn,. Malek, S. Farooq, "Producton of rgon from an Oxygen-rgon Mxture by Pressure Swng dsorpton" Ind. Eng. Chem. Res. 45 ( ٧ PS.... MT. /... ١٠
11 ( ;..... dsorpton Oxygen Unt ", Chem. Eng. Sc., 44, 12 ( [12] J.G.Jee, H.J. Park, S.J. Haam, Ch.H. ee, "Effects of Nonsobarc and Isobarc Steps on O 2 Presure Swng dsorpton for an erator ", Ind. Eng. Chem. Res, 41 ( [13].. Fnlayson, "Nonlnear nalyss n Chemcal Engneerng", MC.Graw Hll, New York, (198. [9].S.T. Chang, Y.. Chung, Ch.W. Cheng, T.H.Hung, T.Y.ee, "Exprmental Study on a Four- ed PS r Separaton Process", ICHE.J, 4 ( [1] N. S. Raghavan, D. M. Ruthven, " Pressure Swng dsorpton Part III: Numercal Smulaton of a Knetcally Controlled ulk Gas Separaton ", ICHE.J, 31, 12 ( [11] S. Farooq, D.M.Ruthven, H.. onface, "Numercal Smulaton of a Pressure Swng Oxygen Separaton from r Usng Pressure Swng dsorpton. Fath, J. Towfgh Chemcal Engneerng Department, Tarbat Modares Unversty, Tehran, IRN M. Mofarah Chemcal Engneerng Department, Persan Gulf Unversty, ushehr, IRN RTICE INFO rtcle hstory : Receved 11 ugust 28 Receved n revsed from 8 October 28 ccepted 4 December 28 Keywords: Pressure Swng dsorpton (PS Oxygen Separaton Zeolte 5. STRCT Pressure swng adsorpton s an mportant unt for gas separaton and purfcaton. In order to develop the PS technology, a plot plant ncludng four beds each wth 1 meter length and 3.5 cm ID was desgned and bult. Ths plot ncludes control systems and analyss systems to nvestgate the varous operatonal condtons of beds carefully. In order to test ths plot, separaton of oxygen from ar, usng zeolte 5 type adsorbants, was studed. In ths process the steps of feed pressurzaton, producton, blowdown, purge, pressure equalzaton(two steps and product pressurzaton are ncluded n a cycle. The effects of pressure, cycle tme, flow rate of feed and purge on gas purty and recovery were studed. lso modelng and smulaton of ths process was done by orthogonal collocaton method and MT software. The numercal results obtaned from modelng were compared to the expermental results and gave reasonable agreements. ll rghts reserved. ١١
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