Page 24 - Separation process principles 2

xxviii Nomenclature

s saturation condition (I), (2) denotes which liquid phase
VF vapor feed I, I1 denotes which liquid phase
- partial quantity; average value at equilibrium
infinite dilution

Abbreviations

Angstrom m in. inch
ARD asymmetric rotating disk contactor J joule
atm atmosphere K degrees Kelvin
avg average kg kilogram
BET Brunauer-Emmett-Teller kmol kilogram-mole
BP bubble-point method L liter; low boiler
B-W-R Benedict-Webb-Rubin equation of state LHS left-hand side of an equation
bar 0.9869 atmosphere or 100 kPa LK light-key component
barrer membrane permeability unit, 1 barrer = LLK lighter than light key component
lo-" cm3 (STP) cm/(cm2 s cm Hg) L-K-P Lee-Kessler-Plocker equation of state
bbl barrel LM log mean
Btu British thermal unit LW lost work
C, paraffin with i carbon atoms lb pound
C,= olefin with i carbon atoms lbr pound-force
C-S Chao-Seader equation
Ib, pound-mass
C degrees Celsius, K-273.2
lbmol pound-mole
cal calorie
In logarithm to the base e
cfh cubic feet per hour
log logarithm to the base 10
cfm cubic feet per minute
M molar
cfs cubic feet per second
MSMPR mixed-suspension, mixed-product removal
cm centimeter
MSC molecular-sieve carbon
cmHg pressure in centimeters head of mercury
MSA mass separating agent
cP centipoise
MW megawatts
cw cooling water
m meter
EMD equimolar counter diffusion
meq milliequivalents
EOS equation of state
mg milligram
ESA energy separating agent
min minute
ESS error sum of squares
mm millimeter
eq equivalents
mmHg pressure in mm head of mercury
F degrees Fahrenheit, R 459.7
mmol millimole (0.001 mole)
FUG Fenske-Underwood-Gilliland
mol gram-mole
ft feet
mole gram-mole
GLC-EOS group-contribution equation of state
N newton; normal
GP gas permeation
NLE nonlinear equation
g gram
NRTL nonrandom, two-liquid theory
gmol gram-mole
nbp normal boiling point
gpd gallons per day
ODE ordinary differential equation
gph gallons per hour
PDE partial differential equation
gpm gallons per minute
POD Podbielniak extractor
gps gallons per second
P-R Peng-Robinson equation of state
H high boiler
HHK heavier than heavy key component ppm parts per million (usually by weight)
PSA pressure-swing adsorption
HK heavy-key component
hp horsepower psi pounds force per square inch
psia pounds force per square inch absolute
h hour
PV pervaporation
I intermediate boiler