Page 107 - Characterization and Properties of Petroleum Fractions - M.R. Riazi

T1: IML
QC: IML/FFX
P2: IML/FFX
P1: IML/FFX
June 22, 2007
AT029-Manual
AT029-Manual-v7.cls
AT029-03
14:23
3
Characterization of Petroleum MNL50-EB/May 2007
Fractions

2
NOMENCLATURE ν Kinematic viscosity defined by Eq. (2.12), cSt [mm /s]
θ A property of hydrocarbon such as: M, T c , P c , V c , I, d,
AP Aniline point, C (unless specified otherwise) T b ,...
◦
API API gravity defined in Eq. (2.4) ρ Density at a given temperature and pressure, g/cm 3
A,B, . . . , F Correlation coefficients in various equations σ Surface tension, dyn/cm [=mN/m]
a,b..i Correlation coefficients in various equations ω Acentric factor defined by Eq. (2.10), dimensionless
CABP Cubic average boiling point, K
CH Carbon-to-hydrogen weight ratio
d Liquid density at 20 C and 1 atm, g/cm 3 Subscripts
◦
%H Weight percent of hydrogen in a fraction A Aromatic
I Refractive index parameter defined in Eq. (2.36) N Naphthenic
Watson (UOP) K factor defined by Eq. (2.13)
K W P Paraffinic
M Molecular weight, g/mol [kg/kmol] T Value of a property at temperature T
MABP Molal average boiling point, K ◦ A reference state for T and P
MeABP Mean average boiling point, K
∞ Value of a property at M →∞
n Sodium D line refractive index of liquid at 20 C 20 Value of a property at 20 C
◦
◦
and 1 atm, dimensionless 39(100) Value of kinematic viscosity at 37.8 C (100 F)
◦
◦
Carbon number (number of carbon atoms in a
N C 99(210) Value of kinematic viscosity at 98.9 C (210 F)
◦
◦
hydrocarbon molecule)
P c Critical pressure, bar
R i Refractivity intercept in Eq. (2.14) Acronyms
SG Specific gravity of liquid substance at 15.5 C
◦
(60 F) defined by Eq. (2.2), dimensionless API-TDB American Petroleum Institute—Technical Data
◦
◦
◦
SG g Specific gravity of gas substance at 15.5 C (60 F) Book
defined by Eq. (2.6), dimensionless ASTM D ASTM International (test methods by D com-
SL ASTM D 86 slope between 10 and 90% points, mittee)
◦ C (K)/vol% %AD Absolute deviation percentage defined by
S% Weight percent of sulfur in a fraction Eq. (2.134)
T b Boiling point, K %AAD Average absolute deviation percentage defined by
T c Critical temperature, K Eq. (2.135)
T F Flash point, K EFV Equilibrium flash vaporization
T M Melting (freezing point) point, K EOS Equation of state
T 10 Temperature on distillation curve at 10% volume FBP Final boiling point (end point)
vaporized, K GC Gas chromatography
Temperature on distillation curve at 50% volume GPC Gel permeation chromatography
T 50
vaporized, K HPLC High performance liquid chromatography
3
V Molar volume, cm /gmol KISR Kuwait Institute for Scientific Research
V Saybolt universal viscosity, SUS IBP Initial boiling point
3
Critical volume (molar), cm /gmol IR Infrared
V c
VGC Viscosity gravity constant defined by Eqs. (2.15)– MA Monoaromatic
(2.18) MS Mass spectroscometry
VABP Volume average boiling point, K PA Poly (di- tri-, and higher) aromatic
WABP Weight average boiling point, K PIONA Paraffin, isoparaffin, olefin, naphthene,
and aromatic
Greek Letters RVP Reid vapor pressure
2
RS R squared (R ), defined by Eq. (2.136)
Gamma function SD Simulated distillation
μ Absolute (dynamic) viscosity, cp [mPa·s]. Also used for TBP True boiling point
dipole moment UV Ultraviolet
87
Copyright © 2007 by ASTM International www.astm.org

--`,```,`,``````,`,````,```,,-`-`,,`,,`,`,,`---
Copyright ASTM International
Provided by IHS Markit under license with ASTM Licensee=International Dealers Demo/2222333001, User=Anggiansah, Erick
No reproduction or networking permitted without license from IHS Not for Resale, 08/26/2021 21:56:35 MDT