Page references followed by “f” indicate figures, “t” indicate tables.
Benzene/ethylbenzene/toluene and xylenes (BTEX)
, 183Clapeyron-type equation
, 234Combating hydrates
buried pipeline, loss from
, 199–202Computer methods
commercial software packages
, 117Parrish and Prausnitz model
, 113–114van der Waals and Platteeuw model
, 112–113Data for diethylene glycol (DEG)
, 143Dehydration
water content specification
, 175
Freezing point depression
, 135Gas Processors Suppliers Association (GPSA)
, 146Hand calculation methods
approach verifying
, 63–66accuracy, comments on
, 71–74incipient solid formation
, 68–69liquid hydrocarbons
, 69–71Kobayashi correlations
, 80methods, comments on
, 81–90isobutane vs
n-butane
, 84–85Østergaard correlations
, 80–81Towler and Mokhatab correlations
, 81Heterogeneous flow regime
, 305Hexagonal crystal,
Homogeneous flow regime
, 305Hydrate formation
, 11, 11fconditions
for hydrogen sulfide
, 34tHydrate plug location
, 211Hydrates
forming conditions
, 32–39
hydrogen and helium
, 30–31L
A + L
N + H correlations
, 42–43liquid hydrate formers
, 31–32natural occurrence of
, 310other hydrate formers
, 44–46physical properties
mechanical properties
, 235thermal conductivity
, 235temperature and pressure
, 13–14V+ L
A+ H correlations
, 39–42Hydrate temperature
, 149fHypothetical gas well, temperature and pressure in
, 307, 307f–308fInhibiting hydrate formation
advanced calculation methods
, 152inhibitor chemicals, price for
, 162–163injection rates, comment on
, 161low dosage hydrate inhibitors
, 163–172simple methods, comment on
, 151–152Inhibitor vaporization
Interpolation equation
, 283Japan Oil, Gas, and Metals National Corporation (JOGMEC)
, 311accuracy, comments on
, 71–74incipient solid formation
, 68–69liquid hydrocarbons
, 69–71Liquefied petroleum gas (LPG)
, 152
Liquid hydrate formers
, 31–32Liquid hydrocarbon
Liquid natural gas (LNG)
, 309Low-dosage hydrate inhibitors
Mars Polar Lander (MPL)
, 313Methanol-hydrocarbon systems
, 153Methods for dehydration
, 131Modern process simulation packages
, 183National Fire Protection Association (NFPA)
, 161Natural gas
Nielsen–Bucklin equation
, 141Normal boiling point
hydrogen compounds
, 5–6, 5fPeng–Robinson equation
, 114Phase diagrams
constructing T-x and P-x diagrams
, 247hydrogen sulfide + water
, 252Physical properties
mechanical properties
, 235thermal conductivity
, 235
Safety considerations, diluted methanol
, 161–162Saul–Wagner correlation
, 269Semiempirical equation
, 40Standard temperature and pressure (STP)
, 17Stationary bed regime
, 305Temperature-pressure plane
, 242–243Theoretical treatment
, 302Thermal conductivity
, 235Three-phase critical points
, 242Two-bed adsorption scheme
, 185, 185fTwo single-phase regions
, 246van der Waals–Platteeuw-type models
, 152Vapor-liquid-solid triple points
, 243, 243tWater content
liquid water, equilibrium with
, 264–277Water molecule
enthalpy of vaporization
, , 7texpansion upon freezing,
normal boiling point of water
, 5–6, 5f–6f