Index

Activities, 243 Activity coefficient, 9 American Petroleum Institute (API), 295 Aspen Split, 13, 20, 103 Assay, 294 ASTM, 292 Azeotrope, 12, 99 heterogeneous, 12, 113 homogeneous, 12 minimum boiling, 12

Benzene, 112

Boiling points, 292

BTX (benzene, toluene, xylene), 137

Bubblepoint, 9

Butanol, 258

Capital cost, 89 Capture screen layout, 169 Cascade control, 178 Cat fractionator, 291 Chemical potential, 9 Choa-Seader, 7 Condenser, 61, 88 Condition number, 132 Configure, 160 Configure Sensor, 313 Control signal, 158

Control structure, 157, 192, 210, 223, 273

Controller faceplate, 160

Controller action (reverse/direct), 161 initialize, 160 input (PV), 160 installing, 158

modes (auto, manual, cascade), 163 output (OP), 160 Convergence, 61, 108, 118, 122 Crude oil, 291

Deadtime, 169 Decanter, 113, 118, 222 Dechema, 7 Degrees of freedom, 27 Dephlegmator, 195 Design Spec, 326 Design spec/vary, 66, 121 Dimethyl ether (DME), 252 DISTIL, 13, 35, 41 Distillation boundary, 103, 113 Dual composition control, 206 Dual temperature control, 217

Economic basis, 87 Energy cost, 89 Engler, 292

Distillation Design and Control Using Aspen™ Simulation, By William L. Luyben Copyright © 2006 John Wiley & Sons, Inc.

Equimolal overflow, 29

Operating lines, 30

ETBE, 236

rectifying, 30

Ethanol, 112, 222

stripping, 31

Ethylene glycol, 235

Optimization, 85, 91

Excess reactant (reactive

Overflash, 326, 336

distillation), 235

Overlaps, 320

Exporting, 153

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