242 



TABLE 263. 

 HEAT VALUES AND ANALYSES OF VARIOUS TYPES OF FUEL- 



(a) COALS. 



Coal. 



.ignite 



f Low grade. 

 \ High grade 

 b-bitu- Low jzrade. 

 minous i High grade 

 itu- f Low grade, 

 minous \ High gni.U- 

 emi-bitu- ( Low grade 

 minous \ Highgrade 



mi-anthracite 



thra- I Low grade, 

 cite 1 High grade 

 en I Low grade, 

 coke I High grade 



38.81 

 33 38 

 22.71 

 15-54 

 11.44 

 3-42 



I: 7 * 



2.07 

 2.76 

 3-33 

 1. 92 



1.14 



I! 



25-48 

 27-44 

 34.78 

 33-03 

 33-93 

 34.36 

 U.5 

 14-57 

 9.81 

 2.48 



27.29 

 29.62 

 36.60 

 46.06 

 43.92 



58.83 



75.5 

 78.20 



78.82 



82.07 

 84.28 

 88.87 



94-66 



8.42 

 9-56 

 5-91 

 5-37 



10.71 

 3-39 

 7-3 

 3-97 

 9-30 



12.69 

 9.12 

 8.99 

 3-57 



0.97 

 0-94 

 0.29 

 0.58 

 4-94 

 0:58 

 0.99 

 0.54 

 1-74 

 0-54 

 0.60 

 1.18 

 o. 69 



7.09 

 6.77 

 6.14 

 5-89 

 5-39 

 5-25 

 4-58 

 4.76 

 3-62 

 2.23 

 3-08 



37-45 

 4I-3I 

 52.54 

 60.08 

 60.06 

 77-98 

 80.65 

 84.62 

 80.28 

 79.22 

 8i.35 



0.50 

 0.67 

 1-03 

 1-05 



1.02 

 1.29 

 1.82 

 1.02 

 1.47 



0.68 

 0.79 



45-57 



4-75 



34-09 



27-03 



17.88 



11.51 



4.66 



5-09 



3-59 



4-64 



5.o6 



s, 



3526 



3994 

 5"5 

 5865 

 6088 

 7852 

 7845 

 8166 

 7612 

 6987 

 7417 

 7946 

 8006 





6347 

 7189 

 9207 



10557 

 10958 



14121 

 14699 

 13702 

 12577 

 I335I 

 14300 

 14410 



PEATS AND WOOD (air dried). 



Vol. 



hydro- 

 carbon. 



Fixed 

 carbon. 



Ash. 



Sul- 

 phur. 



Hydro- 

 gen. 



Carbon. 



Nitro- 

 gen. 



Oxygen. 



Calories 



per 

 gram. 



B.T.U.' 



per 

 pound. 



Peats: 



Franklin Co., N. Y.. . 



Sawyer Co., Wis 



Woods: 



Oak, dry 



Birch, dry 



Pine, dry 



67.10 

 56.54 



28.99 

 27.92 



3-Qi 



15-54 



0.37 

 0.29 

 0.37 



0.15 

 0.29 



5-93 

 4.71 



6.02 

 6.06 



6. 20 



57-17 

 51.00 



50.16 

 48.88 

 50.31 



5726 

 4867 



4620 

 4771 

 5085 



10307 

 8761 



8316 

 8588 

 9153 



(c) LIQUID FUELS. 



Fuel. 



Specific gravity 

 at 15 C. 



Calories per gram. 



British thermal units 

 per pound. 



Petroleum ether 



Gasoline 



Kerosene 



Fuel oils, heavy petroleum or refinery residue 



Alcohol, fuel or denatured with 7 to 9 per 



cent water and denaturing material 



.684-. 694 

 .710-. 730 

 .790-. 800 

 .960-. 970 



.8196-. 8202 



I22IO-I2220 

 11100-11400 

 IIOOO-II200 

 I0200-I050O 



6440-6470 



21978-21996 

 19980-20520 

 I9800-20I60 

 18360-18900 



II592-U646 



(d) GASES. 



Gas. 



Natural gas, Cal 



Natural gas, Pa 



Natural gas, France 



Coal gas, low grade 



Coal gas, high grade 



Water gas, low tfrade 



Water gas, high grade 



34-So 

 57-2 

 52.88 

 36.4 



28.80 

 18.8 



2.16 

 23.2 



C 2 H 2 



45_8 

 9-50 



"llumi- 

 i ants. 



1.70 



0.8 



3-47 



14.05 



C02 



0.58 



O. 20 

 2.00 



3-02 



CO 



10.40 



3-20 



36.8 

 19.1 



O.I 



0.40 



1-15 



N 2 



0.90 



0.90 



0.48 



14. 20 



18.0 



4.69 



3-08 



Cal. 

 per 

 m" 



8339 

 12635 

 9364 

 6151 

 3736 

 2642 

 6140 



B.T.U 



per 



cu. ft. 



937 

 1420 

 1052 

 657 

 399 

 283 

 657 



CiH. Data from the Geological Survey, Poole's The Calorific Power of Fuels, and for natural gas from Snelline 

 (Van Nostrand s Chemical Annual). 



SMITHSONIAN TABLES. 



