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18 Chapter one Application of Biologipal Pro�cEsses ,19
<br /> TABLE 1.8 Composition of a Regular Gasoline ll
<br /> TABLE 1.8 Composition of a Regular Gasoline(Continued)
<br /> Chemical Mole Mass Mole Chemical Mole Mass Mole
<br /> Component number formula weight,g traction fraction Component number formula weight,g fraction fraction
<br /> 1. Propane C3HA 44.1 0.0001 0.0002 50. Methylpropylbenzene C H 134.2 0.0351 0.0249
<br /> 2. Isobutane 58.1 0.0122 0.1999 51. Dimeth leth lbenzene C1OH14 14 134.2 0.0307 0.0218
<br /> 3. n-Butane C4H,0 58.1 0.0629 0.103! Y Y Io
<br /> 4, trans-2-Butene 52, 1,2,4,5-Tetramethylbenzene C10H14 134.2 0,0133 0.0094
<br /> c4 HA. 56.1 0.0007 0.0012 53. 1,2,3,4-Tetramethylbenzene C,OH14 134.2 0.0129 0.0091
<br /> 5. cis-2-Butene C4HA 56.1 0.0000 0.0000 54. 1,2,4-Trimethyl-5-ethylbenzene C11H10 148.2 0.0405 0.0260
<br /> 6. Iso
<br /> entane-butene C5H10 70.1 0.0006 0.0008 55. n-Dodecane C H 170.3 0.0230 0.0129
<br /> 7. Isopentane C g la x6
<br /> 72.2 0.1049 0.1384 56. Naphthalene C10H8 128.2 0.0045 0.0033,
<br /> 8. 1-Pentene C5H10 70.1 0.0000 0.0000 57. a-Hexylbenzene C=H2O 162.3 0.0000 0.0000
<br /> 9. 2-Methyl-l-butene C5H10 70.1 0.0000 0.0000 58. Methylnaphthalene C„ 0H1142.2 0.0023 0.0015
<br /> 10, 2-Methyl-1,3-butadiene CA 68a 0.0000 0.0000
<br /> 11. n-Pentane C5H10 72.2 0.0586 0.0773 Total 0.9969 1.0000
<br /> 12. trans-2-Pentene CH. 70.1 0.0000 0.0000
<br /> !3. 2-Methyl-2-butCsHlo 70.1 0.0044 0.0060 sou:zce: Johnson,P.C.,Kemblowski,M.W.,and Colhart,J.D.,"Quantitative Analysis
<br /> 14. 3-Methyl-2-btadiene C5Hs for the Clean-up of Hydrocarbon-Contaminated Soils by In-Situ Soil Vent
<br /> 68.1 0.0000 0.0000 Groundwater,Vol.28,No.3,pp.413-429,1990.
<br /> 15. 3,3-Dimethyl-l-butene CAH 84.2 0.0049 0.0055
<br /> 16. Cyclopentane C5H10 70.1 0.0000 0.0000
<br /> 17. 3-Methyl-l-pentene C AH12
<br /> 84.2 0.0000 0.0000 TABLE 1.9 Major Constituents
<br /> 18. 2,3-Dimethylbutane CH14 of Fresh Gasoline
<br /> $6.2 0.0730 0.0807
<br /> 19. 2-Methylpentane CGH14 86.2 0.0273 0.0302
<br /> 20. 3-Methylpentane CsHl4
<br /> 86.2 0.0000 0.0000 Constituent Percent
<br /> 21. n-Hexane
<br /> 22. CA, 86.2 0.0283 0.0313 Isopentane 10.5
<br /> Methylcyclopentane C 1z 84.2 0.0000 0.0000 p-Xylene 9.6
<br /> 23. 2,2-Dimethylpentane Cfj4
<br /> 16 100.0 0.0076 0.0093 n-Propylbenzene $.4
<br /> 24. Benzene CAHS 78.1 0.0076 0.0093 2,3-Dimethylbutane 7.3
<br /> 25. Cyclohexane C H 84.2 0.0000 0.0000 n-Butane 6.3
<br /> 26. 2,3-Dimethylpentane C7H16 100.2 0.0390 0,0371 n-Pentane 5.9
<br /> 27. 3-Methylhexane C7H16 100.2 0.0000 0.0000 Toluene 5.5
<br /> 28. 3-Ethylpentane C7H16 100.2 0.0000 0.0000
<br /> 29. 2,2,4-Trimethylpentane CAH16 114.2 0.0121 0,0101 Total 53.5
<br /> 30. n-Heptane C7H10 100.2 0.0063 0.0060
<br /> 31. Methylcyclohexane C8H1' 98.2 0.0000 0.0000
<br /> 32. 2,2-Dimethylhexane C
<br /> 33. Toluene sHls 114.2 0.0055 0.0046
<br /> CH, 92.1 0.0550 0.0568 find their source from petroleum hydrocarbon spills.These are the aro-
<br /> 34. 2,3,4-Trimethylpentane CAH 114.2 0.0121 0.0101 matie volatiles of benzene, toluene, ethylbenzene, and xylene ( '-'X
<br /> 35. 2-Methylheptane C 1a
<br /> 36. 3-Meth the tare sHls 114.2 0.0155 0.9129 compounds). Other major volatile organic compounds are the ....o-
<br /> Y P CeH18 114.2 0.0000 o.aoao
<br /> 37. n-Octane CeH,A 114,2 0.0013 0.000 genated solvents that are used as solvents, as cleaning solutions, and
<br /> 38. 2,4,4-Trimethylhexane C9Hx0 128.3 0.0087 0.0065 i for chemical synthesis. In a survey of contaminated water supplies,the
<br /> 39. 2,2-Dimethylheptane C H 128.3 0.0000 0.0000 most prevalent halogenated contaminants were(Semprini, 1988):
<br /> 40. p-Xylene s .xo
<br /> Cs9XO 106.2 0.0957 0.0858
<br /> 41. m-Xylene CAD 106.2 0.0000 0.0000 ■ Trichloroethylene
<br /> 42, 3,3,4-Trimethylhexane CH, 128.3 - 0.0281 0.0209
<br /> 43. o-Xylene CAH10 106.2 0.0000 0.0000 ■ 1,1,1-Trichloroethane
<br /> 44. 2,2,4-Trimethy1heptane C10H22 142.3 0.0105 0.0070
<br /> 45. 3,3,5-Trimethylheptane C1011n 142.3 0.0000 0.0000 ■ Tetrachloroethylene
<br /> 46. N-Propylbenzene C
<br /> 120.2 0.0841 0.0666 cis- and+Frans-1 2-Dichloroeth lene
<br /> 47. 2,3,4-T rimethylheptane Clbenzene 10H2x 142.3 0.0000 0.0000 ■ ' y
<br /> 48. 1,3,5-Trimeth
<br /> Y C9H,x ;120. 0.0411 0.0325 ■ 1,1-DichlOraethane
<br /> 49. 1,2,4-Trimethylbenzene C9H1x 120.2 0.0213 0.0169
<br /> It
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