Specification of natural gas

Chemical Composition

Methane

C1

min.

85,00

mol%

Ethane

C2

Max.

7,00

mol%

Propane

C3

Max.

3,00

mol%

Butane

C4

Max.

2,00

mol%

Heavier

C5+

Max.

1,00

mol%

Nitrogen

N2

Max.

5,00

mol%

Carbon dioxide

CO2

Max.

2,00

mol%

Oxygen

O2

Max.

0,02

mol%

Sulphur content

Hydron sulphide

H2S

Max.

5,4

mg/Nm3

Mercaptan sulphide

RSH

Max.

16,1

mg/Nm3

Total sulphur

S

Max.

107

mg/Nm3

Brennwert

Cross Calorific Value

(in MJ/Nm3)

GCV

min.

38,5

MJ/Nm3

Max.

43,2

MJ/Nm3

Gross Calorific Value

(in kWh/Nm3)

GCV

min.

10,7

kWh/Nm3

Max.

12

kWh/Nm3

Dew point

Hydrocarbon dew point

 

Max.

0

°C bei >=41,2 und <=68,6 bar

Water dew point

  Max.

 

-8

°C bei 39,2 bar

Impurities

 

The natural gas shall be practically free of solids, dust, iron oxide, mud, liquid hydrocarbons, resins, resinforming constituents and shall not be odorised.

Temperature

T

Max.

42

°C