Page 373 - Pressure Swing Adsorption

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350 SIJBJECT INDEX SUBJECT INDEX 351

Cvclcs (for PSA), 67-94 Flow mode Is, 172 Macroporc diffusmn. 36 .. 45 Pressure,
analysis of. 105-33 Fluid film resistance, 42 Mass transfer modcis, 180 cqualizat'ion, 69. 76" !93. 333 . .3.18
five-~ilcp, 122 Forces of adsorption, 11 Mass transfer resistance. 55 prolilc. l'51-61
four-stco, 98, 107 Four-step cycle, 107, 137-42 effect on productivity, 190 ratio, cffl':ct of, 90. 108-32
sclf-purgmg, 88 Membrane, 289 vanat1on; effect of. I 18. 158
Skarstrom, I 06 Gemmi-8 process, 248 cascades, 301 Pressunzatmn, 68
Gemini-9 process, 246 modules, 295 feed, llQ, 112, 141
Dead volume, 125 • process, cascades for. 301. 302 oroduct, 107. 137. 139
Deoressunzauon, 83 Heat effects m PSA processes, 146-51, ! process, comoanson with PSA, step, 151-62
Des1ccanrs. 20 207-17 I 289-305 Proporuonate pattern, 55, 101
Design cx:unpic, 14.1-46 Heat tran:.fcr, 47 i process, effect of hack pressure, 292 Puhlicat1ons (PSA), J
Desorption. 68 Heals of sorpl1on, 13 process, effect of !low patlern. 298 Purge, 6S, 88, 224
Diffusion, Helium recovery, 333 process for N , 301 mcompletc, 73, 114, 11 k
2
Fickian. 40 Henry constants, 23 process for 0 2 , 304 prcsst1rc, effect of, 90'
Knudsen, 37 for atmosphenc gases, 32 zeolite, 295 with strong adsorptive, 84
macrnporc, 36 Hcnry·s law, 23 Mcsopores, diffusum in, Jh
microoore, 43 History of PSA, 4, 95, 327-40 Methane recovery, 244 Raffinate, !
model, 191-201, 318-24 Hydrocarbon separations, 246 Methane~carbon dioxide scparallon, 192 product, 71
moiecular, 37 Hydrogen and carbon dioxide, PSA Microoore diffusion, 37, 43 Rapid PSA_ See RPSA
Po1scuille flow, 37 process, 246 Model, Recoverv. See also lndividunl ga~cs
Diffus1v1ty, 40 Hydrogen recovery, 235-42. 274, 330, 332, continuous counicrcurrcnE, 201-7 effect of dead composition, 109. 112
corrected, 40 334, 335, 337 diffusion, 191-201, 318-24 effect of dead volume. 131
effective, 46 Bergbau-Forschung process, 242 LDF, 184-91, 313-18 effect of pressure. 109-32, 142
Dispersed plug How, 174 four-bed process, 236 Molecular diameter, cffccr on diffus10n, Ii gilt product, 85, I l 8
Disoers1ve front, 101 polybed process, 239 19,23,41 ounty profile, 30 l
Dynamic modelling, 57, 165-219 Hydrogen-helium separation, 254 Molecular gate, 267, 287 rapidly diffusing species. 93
Dynamic models, summary of. l67 Hvdroohilic/hyctrophobic properties, 12 Molecular sieve carhon, 17, 49 strong adsorptive, 83, 251-57
Dynmrncs (;1dsorpt10n column), 52 Moments (chroma1ographid. 60 Reformer gases (H recovery), 24/i, :no.
2
Ideai adsorbed solut1on theory, 31 Mullicomponcnl systems, 61 332,335
Economics of PSA (N ), 231 Isos1v process, 245 Multiple bCCI svsrcms, 79, 239, 335 Resistances to mass transfer,
2
Efficiency (of PSA process), 258-63 Isotherm, 25-32, 177-80 Multiole cyclic sratcs, 213-17, 230-32 combinatmn of, 60
Elementary steps (of PSA process), 67 BET, 28 diffusional, 36-45
Enrichment, 108 binary and multicomponent, 29 Nitrogen PSA, 196-200, 205, 230-32, 331 effect of, 55
Eqtlilibnum controlled seoarat1ons, 71, carbon sieve, 91 Non-isothermal systems, 61. l46-51. fluid film, 42
95-162 favorable/unfavorable, 25 207-13 surface, 42, 49
Equilibrtum/kinet1c effects reinforce, 90 Freundlich, 27 Numerical methods, 183, 313-25 Rinse, 69, 122
Equilibrium select1vtty 1 50 Gibbs, 28, 31 RPSA, 278~86, 337
Equilibrium theory, 53, 95-163 Langmuir, 25 Oxygen production, 74, 187, 226-30, 304, aJT separation, 283
data for atmospheric gases, 32-34 Sipps, 30 331 future Pl'0Spects, 286
cxpenmental validation, 133-37 and nilrogcn production, 232-35 modelling, 279
Energy analysis, 258-62 Kinetic seicctlv1ty, 48, 52, 87 performance, 281
Experimcntql PSA system, 89 Kinetics (of somtion). 34-61 Parametnc pump, 265
verification of equilibrium theory, Knudsen diffusion, 290 Patents (PSA), 3, 327-43 Seiecuv1ty
133-37 Permeability, 289. 294 effect of. 104
Extensmns of PSA concept, 265-87 Langmuir isothenn, 25, 179 Phys1cai strength (of adsorbents), 17 equilibrium, 12, 50, 90-93
Extract, 1 LDF moctel, 180-83, 185-93, 209, 313-18 Polybed process, 239, 335 kinetic, 12, 52, 90-93
rate expression, 57 Pore diffusion, 36 membrane, 290
Favorable and unfavorable isotherms, 25 Lindox process, 228 model, 318 permeability, 294
Five-step cycie, 84 Losses, blowdown, 76 Pore size distribution, I 3 temperature dependence, 29)