Page 33 - Eaton - Gas/Liquid separators

TECHNICAL INFORMATION

Gas/Liquid Separators

Temperature Correction Factor Specific Gravity Correction Factors
Symbol Key
Temp ˚F Factor GAS Symbol M.W. G Fg
-20 0.904 Hydrogen H 2.0 0.069 0.344 F = Correction factor
g
2 for specific gravity
-10 0.917 Helium He 4.0 0.138 0.452
t
0 0.929 Synthesis 75% H 25% N 8.5 0.295 0.611 F = Correction factor for
2 2 temperature (See
10 0.941 Coke Oven - 11.0 0.379 0.679 table on the inside
20 0.953 *Methane CH 16.0 0.551 0.788 page)
4
30 0.965 Ammonia NH 17.0 0.586 0.808 G = Specific gravity
3
40 0.977 Steam (Water Vapor) H O 18.0 0.621 0.826 MMSCFD = Million standard
2
50 0.989 *Natural Gas 75% CH 25% N - - - cubic feet per day
4 2
60 1.000 Acetylene C H 26.0 0.897 0.957 MW = Molecular weight
2 2
70 1.012 Nitrogen N 28.0 0.950 0.986
a
2 P = Pressure (psia) at
80 1.023 Carbon Monoxide CO 28.0 0.950 0.986 which volume is
measured
90 1.034 Air - 29.0 1.00 1.00
95 1.040 Flue Gas 81%N 19%CO 31.0 1.08 1.027 Q = Rate of flow-
a
2 2 standard cubic feet
100 1.046 Oxygen O 32.0 1.10 1.039 per minute (ACFM)
2
105 1.051 Argon A 39.9 1.38 1.136 Q = Rate of flow-
110 1.057 Propane C H 44.1 1.52 1.182 c standard cubic
3 8
120 1.068 *Carbon Dioxide CO 44.0 1.52 1.181 feet per minute of
2 equivalent air
130 1.079 Nitrous Oxide N O 44.0 1.52 1.181
2 Q = Rate of flow-
140 1.090 Butadiene C H 54.1 1.86 1.284 sg
4 6 standard cubic feet
150 1.101 Sulfur Dioxide SO 64.1 2.21 1.374 per minute
2
160 1.112 Chlorine CI 70.9 2.45 1.431 T = Operating temp. ( F)
o
2
170 1.121 Freon 12 CCI F 120.9 4.17 1.770
o
2 2 T = Temperature ( F) at
a
180 1.133 which volume is
measured
190 1.143
* For applications involving gases 1 psi = 2.036” Hg
200 1.154 (above 500 psi at 200 °F) so marked, 1” Hg = .4912 psi W = Rate of flow-
pounds per hour
250 1.206 contact Eaton to determine whether
there is an additional correction factor 1 psi = 27.71” H O
300 1.256 2
for compressibility
400 1.353 1” H O = .03613 psi
2
500 1.445
550 1.490
600 1.533
700 1.618 The Eaton Air Flow Chart on the other than standard conditions, Q = 6.3 × W
sg
next page is based on SCFM the following equation must be MW
800 1.701 (cubic feet per minute of air solved for Q :
c
900 1.780 measured at standard conditions ____________________
Q = 35.7 × Q × P
a
a
sg
of 14.7 psia and 60 °F). If any of Q = Q × F × F
1000 1.858 c sg g t 460 + T
the operating conditions are varied a
from the above, then correction
factors must be applied. In the event that Q is not Q (air only) = .218 × W
sg
sg
provided in the proper form, any of
To use the Air Flow Chart for appli- the following equations may be
cations involving other gases or Q = MMSCFD
sg
used to arrive at the correct flow 1440
rate to insert in the above
equation: W = (pounds mols/hour) × MW