ELEMENTS OF COMBUSTION OF NATURAL GAS


1 ft3 natural gas + 10 ft3 air + flame = 8 ft3 nitrogen +
1 ft3 carbon dioxide + 2 ft3 water vapor 

Heat of Combustion (for Various Materials)


Raw Material Formula Gross Btu/lb
Carbon C 14,093
Hydrogen H2 61,095
Carbon Monoxide CO 4,347
Methane CH4 23,875
Ethane C2H4 22,323
Propane C3H8 21,669
n-Butane C4H10 21,321
Isobutane C4H10 21,271
n-Pentane C5H12 21,095
Isopentane C5H12 21,047
Neopentane C5H12 20,978
n-Hexane C6H14 20,966
Ethylene C2H4 21,636
Propylene C3H6 21,048
n-Butene C4H8 20,854
Isobutene C4H8 20,737
n-Pentene C5H10 20,720
Benzene C6H6 18,184
Toluene C7H8 18,501
Xylene C8H10 18,651
Acetylene C2H2 21,502
Napthalene C10H8 17,303
Methyl alcohol CH3OH 10,258
Ethyl alcohol C2H5OH  13,161
Ammonia
NH3
9,667


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