TESTS NORTH DAKOTA. 
137 
CHEMICAL ANALYSES. 
Mine 
sample. 
Laboratory number. 
Air-drying loss 
«§ ("Moisture 
il Volatile matter 
Fixed carbon. 
JAsh 
'{Sulphur 
Hydrogen 
Carbon 
1730 
33. 10 
41. 13 
27. 17 
26. 34 
5. 36 
.72 
Nitrogen , 
Oxygen 
Calorific value determined: 
Calories 
British thermal units. . 
3,603 
6,485 
Car 
sample. 
2365 
17. 30 
36. 13 
29. 28 
29. 55 
5. 04 
.59 
6. 60 
42.00 
.73 
45. 04 
4,070 
7,326 
PRODUCER-GAS TEST. 
Test 72. North I>akota No. 2 B. 
Size as shipped, run of mine. Size as used, over 1 inch, 82 percent; \ inch to 1 inch, 7 percent; Jinch 
to \ inch, 5 per cent; under \ inch, 6 per cent. Duration of test, 50 hours. 
Average electrical horsepower 195. 5 
Average B. T. U. gas. per cubic foot 164. 1 
Total coal fired, pounds 26, 000 
COAL CONSUMED IN PRODUCER (POUNDS PER HORSEPOWER PER HOUR). 
Per electrical horsepower: 
Available for outside purpose's 
Developed at switch board 
Per brake horsepower: 
Available for outside purposes 
Developed at engine 
Equivalent used by 'producer plant 
5 er electrical horsepower: 
Available for outside purposes 
Developed at switch board 
er brake horsepower: 
Available for outside purposes 
Developed at engine 
Test 72. 
Coal as DrvC0 fll Com " 
fired. ^rycoai. bustible. 
2.80 
2.66 
2.38 
2.26 
2.97 
2.83 
2.53 
2.40 
1.79 
1.70 
1.52 
1.44 
1.90 
1.80 
1.61 
1.53 
1.65 
1.57 
1.40 
1.33 
1. 75 
1.66 
1.49 
1.41 
ANALYSES. 
Test 72. 
Test 72. 
Coal. 
36.13 
29.28 
29. 55 
5. 04 
Gas by volume. 
9.3 
Carbon monoxide (CO) 
22. 9 
15.6 
ish... 
2.7 
ulphur 
49.5 
100. 00 
.59 
100.0 
