Page 425 - Adsorbents fundamentals and applications

410 SUBJECT INDEX

Sulfur compounds in transportation fuels, effects of cation ionic radius on adsorption,
347–349 175
Super-activated carbon (AX-21), for methane effects of cation site on adsorption, 175
storage, 324 invention of synthetic zeolites, 164
hydrogen adsorption on super-activated isolated cations on, 173
carbon, 311 molecular sieving properties of, 164
natural zeolites, 164
Tammann temperature, 193 pore sizes of, 162
Temperature programmed reduction (TPR), syntheses of, 164
196, 197 synthesis windows, 166
Temperature swing adsorption, 27–30 unique adsorption properties, 173
minimum purge temperature, 29 with mixed cations, 163
Template used in zeolite synthesis, 165, 168 zeolite beta, 171
role of templating, 171 Zeolite anions, 174,
Thiophene, 345 electronegativities of, 174
adsorption of benzene vs. thiophene, Zeolite Type 3A, 161
352–359 water isotherm on 3A, 161
Threshold pressure for adsorption, 14 Zeolite Type A (LTA), 158
Titanosilicate (TS), syntheses of, 169 4A for air separation, 296
TS-1, TS-1 and ETS-4, 169 5A zeolite, 161, 281–283
TPD technique for estimating isotherms, 244, 8-member rings, 158
245
cavity size, 159
Transportation fuels, compositions of, 347 mixed cations of Na/K, 163
Tubular building units for zeolites, 167
structure and cation sites, 158
syntheses of, 164
Uniform-Langmuir isotherm (Unilam), 262 windows/apertures, 158
heterogeneity parameter in, 262 Zeolite Type X (FAU), 158, 168
12-ring aperture, 158
Vacuum swing adsorption (VSA), 282, 13X zeolite, 281–284
283–296 adsorption of ammonia, 186
sorbent selection parameters for, 289 adsorption of CO 2 , 186
Van der Waals interactions, 10–13, 132, 192 cavity size, 160
between sorbate and zeolite, 173 Li-LSX for air separation, 180
Van der Waals radius, 10, 12, 15 Li-X and Li-LSX, 160
VOC adsorption, 268, 271, 363 low-silica X (LSX), 180
Void fraction of sorbent, 18 N 2 /O 2 adsorption on Li/Na-LSX zeolite, 181
VPI-5, 157, 172 structure and cation sites, 160
unit cell, 287
Wastewater treatment, 93 windows/apertures, 158
Water treatment with activated alumina, 150 Zeolite Type Y (FAU), 158, 168
12-ring aperture, 158
Xerogel, 134, 136, 1488 cavity size, 160
structure and cation sites, 160
Zeolite, 157 unit cell, 287
anionic oxygens in, 173 windows/apertures, 158
building units for, 165 Zero charge point (ZCP), 101
channel-type framework structures, of unoxidized and oxidized carbon, 102
168 ZK-4 and ZK-5, 166
compositional synthesis windows, 166 Zorite, 341
effects of cation charge on adsorption, 175 ZSM-5 (MFI), 167, 168, 171