TESTS WEST VIRGINIA. 
221 
ANALYSES. 
Test 135. 
Raw coal. 
Washed 
coal. 
Moisture 
2.82 
32.20 
56.95 
8.03 
1.38 
5.70 
Volatile matter 
Fixed carbon 
A sh 
4.64 
1.07 
Sulphur 
COKING TESTS. 
Test 80, West Virginia No. 20. 
Size as shipped, run of mine. Size as used, 
finely crushed. Raw. Duration of test, 42 hours. 
Coal charged pounds. . 12,000 
Coke produced do 8,385 
Breeze produced do 262 
Coke produced percent.. 69.88 
Breeze produced do 2. 18 
Total percentage yield 72. 06 
Remarks.— Light gray and silvery. Fine coke. 
Very heavy. High yield due to deposited carbon. 
Test 84, West Virginia No. 20, washed. 
Size as shipped, run of mine. Size as used, 
finely crushed. Duration of test, 50 hours. 
Coal charged pounds. . 12,000 
Coke produced do 8,037 
Breeze produced do 208 
Coke produced per cent 66. 98 
Breeze produced do 1. 73 
Total percentage yield 68. 71 
Remarks.— Light gray and silvery. Breakage 
badly cross-fractured and irregular, but coke of 
good foundry size. Results do not warrant wash- 
ing. Sulphur and ash in coke from raw coal are 
both low, and coke from washed coal not as good, 
physically, as that from raw coal. 
Test 87, West Virginia No. 20, washed. 
Size as shipped, run of mine. Size as used, not 
crushed. Duration of test, 53 hours. 
Coal charged pounds. . 12,000 
Coke produced do 7,893 
Breeze produced do 302 
Coke produced per cent. . 65. 78 
Breeze produced do 2.52 
Total percentage yield 68. 30 
Remarks.— Light gray and silvery. Results, 
irrant washing. 
same as in test 84. Do not 
Test 92, West Virginia No. 20. 
Size as shipped, run of mine. Size as used, 
finely crushed. Raw. Duration of test, 46 hours. 
12,000 
8,292 
264 
Coal charged . 
pounds 
Coke produced do . 
Breeze produced do. 
Coke produced. . 
Breeze produced, 
.percent 
....do.. 
69.10 
2.20 
Total percentage yield 71. 30 
Remarks.— Light gray and silvery. Fine coke. 
Very heavy. High yield due to deposited carbon. 
Breakage not so good as test 80. Sulphur a little 
high. 
ANALYSES. 
Test 80. 
Test 84. 
Test 87. 
Test 92. 
Coal. 
Coke. 
Coal. 
Coke. 
Coal. 
Coke. 
Coal. 
Coke. 
Moisture '. 
3.79 
32.24 
56.49 
7.48 
1.44 
0.17 
1.08 
89.01 
9.74 
1.10 
5.34 
32.56 
57.00 
5.10 
1.09 
0.29 
0.46 
91.73 
7.52 
0.90 
4.47 
32.79 
57.87 
4.87 
1.02 
0.17 
0.81 
92.29 
6.73 
0.85 
3.01 
32.40 
56.60 
7.99 
1.62 
0.18 
Volatile matter 
Fixed carbon 
Ash 
0.57 
87.95 
11.30 
Sulphur 
1.30 
