NALJ).] 
PRODUCER-GAS TESTS. 
101 
Average composition of coal and gas. 
COAL. 
Per cent. 
isture 7.28 
latile matter 38. 57 
zed carbon 45. 16 
li 8. 99 
phur 
3. 86 
GAS BY VOLUME. 
Per cent- 
Carbon dioxide - 10. 87 
Oxygen 29 
Carbon monoxide 12. 45 
Hydrogen 10.92 
Methane 6. 52 
Nitrogen 58. 95 
100.00 
rhe Kentucky No. 3 is a hard bituminous coal and burned in the 
jducer with a hard top crust. It yielded good gas of uniform 
ality and clean black tar. It is well adapted for producer gas. 
COAL, MISSOURI NO. 2; PRODUCER-GAS TEST NO. 7.* 
il from mine No. 8 of the Northwestern Coal and Mining Company, Bevier, Mo.; tested November 
3, 1904.] 
ation of test hours . . 4. 33 
al coal consumed in producer pounds. . 1, 500 
isture in coal per cent. . 11. 6 
r coal consumed in producer pounds. . 1, 326 
use from dry coal per cent. . 16. 79 
al refuse from coal pounds . . 223 
al combustible consumed in producer do 1 , 103 
Coal consumed, pounds per hour. 
1 consumed in producer 346. 5 
■ coal consumed in producer 306 
abustible consumed in producer 255 
livalent coal used by producer plant 384. 5 
livalent dry coal used by producer plant 339. 6 
livalent combustible used by producer plant 283 
British thermal units. 
pound of coal as fired 10, 505 
pound of dry coal 11, 882 
pound of combustible 14, 280 
cubic foot of standard gas 140 
m standard gas per pound dry coal burned in producer 8, 820 
m standard gas per hour per brake horsepower 11, 560 
Gas produced, cubic feet {reduced to standard). 
al 83,545 
hour 1 9, 300 
pound coal consumed in producer 55. 7 
pound dry coal consumed in producer 63 
pound combustible consumed in producer 75. 7 
pound equivalent coal used by producer plant 50. 2 
pound equivalent dry coal used by producer plant 56. 8 
pound equivalent combustible used by producer plant 68. 2 
* Gas-producer hopper leaked. 
