COMPOSITION OF NATURAL GAS

TYPICAL CHARACTERISTICS OF NATURAL GAS

 

Primary (Energy Content); 39.1 MJ/m3

Gross energy content (EC) (MJ/m3)

Net energy content (MJ/m3)

Density (kg/m3)

Relative density (RD)

Wobbe Index (WI) = EC/√RD

Lower explosion limit (LEL)

Higher explosive limit (HEL)

Auto ignition temperature (°C)

Viscosity (cP) Centipose

Sulphur (mg/m3)

 

 

 

TYPICAL COMPOSITION OF NATURAL GAS

 

Component

 

Nitrogen

Carbon dioxide

Methane

Ethane

Propane

i-Butane

n-Butane

i-pentane

n-pentane

neo-Pentane

Hexane

Heptane

Octane

Nonane

 

Volume %

 

2.29

0.00

91.60

3.15

1.65

0.14

0.48

0.13

0.10

0.01

0.07

0.07

0.04

0.00

42.23 (0° C)

38.08 (0° C)

0.80

between 0.55 and 0.70

between 50.9 and 55.1

% gas in air volume 5

% gas in air volume 15

650

0.01173

≤ 15

 

40.03 (15° C)

36.10 (15° C)

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