Page 429 - Air Pollution Control Engineering

10_chap_wang.qxd 05/05/2004 5:10 pm Page 401
Gas Phase Activated Carbon Adsorption 401

Table 2
Flammability Characteristics of Combustible Organic Compounds in Air a,b
a
a
Compound Mol. Wt. LEL (% vol) UEL (% vol)
Methane 16.04 5.0 15.0
Ethane 30.07 3.0 12.4
Propane 44.09 2.1 9.5
n-Butane 58.12 1.8 8.4
n-Pentane 72.15 1.4 7.8
n-Hexane 86.17 1.2 7.4
n-Heptane 100.20 1.05 6.7
n-Octane 114.28 0.95 3.2
n-Nonane 128.25 0.85 2.9
n-Decane 142.28 0.75 5.6
n-Undecane 156.30 0.68
n-Dodecane 170.33 0.60
n-Tridecane 184.36 0.55
n-Tetradecane 208.38 0.50
n-Pentadecane 212.41 0.46
n-Hexadecane 226.44 0.43
Ethylene 28.05 2.7 36.0
Propylene 42.08 2.4 11.0
Butene-1 56.10 1.7 9.7
cis-Butene-2 56.10 1.8 9.7
Isobutylene 56.10 1.8 9.6
3-Methyl-butene-1 70.13 1.5 9.1
Propadiene 40.06 2.6
1,3-Butadiene 54.09 2.0 12.0
Acetylene 2.5 100.0
Methyl acetylene 1.7
Benzene 78.11 1.3 7.0
Toluene 92.13 1.2 7.1
Ethyl benzene 106.16 1.0 6.7
o-Xylene 106.16 1.1 6.4
m-Xylene 106.16 1.1 6.4
p-Xylene 106.16 1.1 6.6
Cumene 120.19 0.88 6.5
p-Cumene 134.21 0.85 6.5
Cyclopropane 42.08 2.4 10.4
Cyclobutane 56.10 1.8
Cyclopentane 70.13 1.5
Cyclohexane 84.16 1.3 7.8
Ethyl cyclobutane 84.16 1.2 7.7
Cycloheptane 98.18 1.1 6.7
Methyl cyclohexane 98.18 1.1 6.7
Ethyl cyclopentane 98.18 1.1 6.7
Ethyl cyclohexane 112.21 0.95 6.6
Methyl alcohol 32.04 6.7 36.0
Ethyl alcohol 46.07 3.3 19.0

continued