128 
OPERATIONS OF FUEL-TESTING PLANT IX L905. 
ANALYSES. 
Coal. 
Moisl ure 
Volatile mal ter. 
Fixed carbon. . . 
Ash 
Sulphur. 
Tesl 86, Kentucky \... <; 
1. 49 
3.41 
LOO. 00 
.51 
Gas by volurrn 
Carbon dioxide (CO 
Carbon monoxide (CO - 
Hydrogen II- 
Mi Hi. cil,» 
Nitrogen (N 2 ) 
7.7 
COKING TESTS. 
Tesl ;»o, Kentucky No. (>. 
ls shipped, run of mine. Size as used, finely 
i rushed. Raw. Dural ion o) >urs. 
Coal charged pounds 12,000 
Coke produced do 6,780 
Breeze produced do 587 
Coke produced per cent 
Breeze produced do.... 4.89 
Total percentage yield 61. 39 
Remarks. Lighl gray and silvery, with J-inch 
blackbutts. Fine-fingered coke. Couldnol burn 
coal to coke wit hoi it l mtts. Very hard to burn. 
Si/e as shipped, run of mine. Size as used, finely 
crushed. Raw. Pur.it ion of test, 55 hours. 
Coal charged pounds.. 12,09 
Coke produced do 6,69 
do. .. 1 17 
Coke produced per cent i I 
Breeze produced do 3.9 
Total percentage yield 59. 2'1 
Remarks. Lighl gray and silvery. One-hJ 
inch black hutts could not be remedied, though 
this tesl is better than No. s '>- Fine-fingerJ 
coke. 
ANALYSES. 
i 86. 
Test 90. 
Coal. 
Cok( . 
Coal. 
( oke. 
Moisture 
5.21 
36.82 
55.62 
2.35 
.51 
2.81 
1.27 
91.93 
3. 99 
.40 
5.42 
36.82 
55.30 
2.46 
.48 
1.64 
Volatile matter 
1.69 
l'i \ed ca rholl 
92. 2C 
Ash 
1.41 
Sulphur 
.37 
KENTUCKY NO. 7. 
Bituminous coal from Central mine, Central Coal and Iron Company, Central Citi 
Muhlenberg County, Ky.. on the Illinois Central Railroad. 
This sample was shipped under the supervision of Inspector J. \Y. Groves, and consisted 
of "standard lump'' coal over 1 !-inch liar screen. The sample was used for making coking 
tesi No. 85, steaming test's Nos. 278 and 279, and producer-gas tesl No. 84. 
Mine samples taken for chemical analysis were as follows: No. 2453 was taken from th< 
face of room 43 off the fourteenth north entry, 1 ', miles northeast of the shaft; N<>. 24a 
was taken from room 9 of! the fourteenth south entry, 1| miles south of the shaft . 
