TESTS PENNSYLVANIA. 
175 
COKING TESTS. 
Test 32, Pennsylvania No. (>. 
Size as shipped, run of mine. Size as used, finely 
crushed. Raw. Duration of test, 46 hours. 
Coal charged pounds. . 10,000 
Coke produced do 7,330 
Breeze produced do 315 
Coke produced per cent . . 73. 30 
jJBfeeze produced do 3. 15 
Total percentage yield 76. 45 
Remarks.— Very heavy coke. Silvery color. 
Much deposited carbon. Conditions of oven 
must have been practically perfect to attain these 
results. 
Test 34, Pennsylvania No. 6, washed. 
Size as shipped, run of mine. Size as used, finely 
crushed. Duration of test, 45 hours. 
Coal charged pounds . . 10, 000 
Coke produced do 6, 905 
Breeze produced do 246 
Coke produced per cent . . 69. 05 
Breeze produced do 2. 40 
Total percentage yield 71.51 
Remarks.— Light-gray and silvery color. 1 [ea vv 
coke, but physically not as good as coke from raw- 
coal. Ash and sulphur reduced by washing. 
Test 35; Pennsylvania No. (>. 
Size as shipped, run of mine. Size as used, finely 
crushed. Raw. Duration of test, 88 hours. 
Coal charged pounds. . 12,000 
Coke produced do 8,646 
Breeze produced do 295 
Coke produced per cent. . 72. 05 
BTeeze produced do 2. 46 
Total percentage yield 
Remarks.— Light-gray and 
heavy soke. Sulphur and ash high 
74.51 
very color. Good 
Test 3.S, Pennsylvania No. 6, washed. 
Sizeas shipped, run of mine. Size as used, finely 
crushed. Duration of tesl , 86 hours. 
Coal charged pounds. . 13,000 
Coke produced do 8,927 
Breeze produced do 373 
Coke produced per cent . . 68. 67 
Breeze produced do 2. 87 
Total percentage yield 71. 54 
Remarks.— Light gray and silvery. Not so 
good as coke from unwashed coal in physical ap- 
pearance. Ash and sulphur reduced by washing. 
Test 41, Pennsylvania No. 6. 
Sizeas shipped, run of mine. Size as used, finely 
crushed. Raw. Duration of test, 72 hours. 
Coal charged pounds. . 12, 000 
Coke produced do 8, 743 
Breeze produced do 364 
Coke produced per cent. . 72. 86 
Breeze produced do 3.03 
Total percentage yield 75. 89 
Remarks. — Silvery color. Very heavy coke, but 
no1 dense. Breakage practically perfect, large 
pieces. Sulphur and ash high. High yield due to 
deposited carbon. 
ANALYSES. 
! Moisture 
j Volatile matter 
; Fixed carbon 
Ash 
Sulphur. 
Test 32. 
Coal. 
Coke. 
3.22 
0.34 
31. 52 
.71 
51.87 
82.31 
13.39 
16. 64 
2.10 
1.59 
Test 34. 
Coal. Coke. 
6. 58 0. 24 
33. 00 . 66 
52. 96 88. 61 
7. 46 10. 49 
1. 46 1. 21 
Test 35. 
Coal. Coke. 
3.64 
32.01 
51.03 
13. 32 
1.93 
0.48 
1.62 
81.20 
16. 70 
1. 70 
Test 38. 
Coal. Coke. 
4.21 
33. 40 
55.21 
7.18 
1.51 
0.89 
2.26 
86. 77 
10.08 
1.24 
Test 41. 
Coal. Coke. 
2.53 
32. 09 
53.21 
12.17 
1.78 
0.27 
1.26 
82. 66 
15.81 
1.52 
PENNSYLVANIA NO. 7. 
Bituminous coal from Ligonier mine, Old Colony Coal and Coke Company, 3 miles north 
of Ligonier, Westmoreland County, Pa., on the Ligonier Valley Railroad. 
This sample consisted of run-of-mine coal and was loaded under the supervision of 
Inspector J. S. Burrows. The following tests were made on it: Washing test No. 123, 
coking tests Nos. 30 and 33, steaming test No. 198, steaming test on washed coal No. 199, 
and producer-gas test No. 88. 
Two mine samples were taken for chemical analysis— No. 1994 from room 3 off the 
"ourth left head entry, 800 feet from drift mouth, and No, 1995 from room 3 off sixth 
jght entry, 950 feet from drift mouth. 
