Encyclopedia of Environmental Science and Engineering, Volume I and II

1230 VAPOR AND GASEOUS POLLUTANT FUNDAMENTALS

500

600

800

900

100

0

1100

1200

1300

1400

1500

1600

(^17001800)
19002000
(^21002200)
2300
FUEL HIGH HEA
T V
ALUE-700 BTU PER CU FT
AT
60F
C
E
A
B
150 200 350 400
50
0
6
7
8
9
14
15
100
150
200
250
H 2 S+2CH 4 +4C 3 H 5 +5C 4 H 10 +6C 5 H 12
PER CENT BY VOLUME AS FIRED
CO 2 +CH 4 +2C 2 H 4 +3C 3 H 6 +4C 4 H 10 +5C 5 H 12 IN FUEL
PER CENT BY VOLUME AS FIRED
250 300
CO
IN DRY PRODUCTS-PER CENT BY VOLUME 2
11
10
12
13
CO
DETERMINATION 2
AIR DETERMINATION
ATMOSPHERIC AIR
NOTE:
GUIDE LINES ARE
DRAWN FOR TYPICAL
NATURAL GAS SATU-
RATED WITH MOISTURE
AT 62 F AND 30 IN.
HG. HIGH HEAT VALUE
1060 BTU PER CU FT
AT SAME CONDITIONS
(^01002003000) 10 20 30 40 50 60 70
700
800
900
1000
1100
1200
1300
80
90
100
110
120
130
140
150
160
(^8

.^5

CO^2

+N^2 )–(^5

. 5 H 2 S)IN FUE
L

EXCESS AIR–PER CENT

POUNDS PER MILLION BTU AS FIRED

M

-Hh

O FROM COMBUSTION OF FUEL 2

W

-ATMOSPHERIC AIRa

FIGURE 17 Graphical calculation curves for natural gas—million Btu basis (Fryling, 1966).

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