Vad är sammansättningen av CNG?

Kolväte komponenter Mullvad (%) metan [CH4] 82,0-94,0 etan [C2H6] 3.0-6.0 propan [C3H8] 0,1 - 2,0 butan [C4H10] 0,1 - 0.7 pentan [C5H12] 0.1 - 0.2 hexan-plus [C6H14 +] 0,0 - 0,2 Inert kvävgas [N2] < 15.0="" carbon="" dioxide="" [co2]=""> <10.0 oxygen="" [o2]="" trace="" hydrocarbon="" liquids="" &="" water="" gas="" shall="" be="" free="" of="" any="" hydrocarbons="" and="" water="" in="" liquid="" phase="" at="" the="" delivery="" point="" sulphur="" [s]=""> < 10="" parts="" per="" million="" (ppm)="" of="" hydrogen="" sulphide="" [h2s]="" and="" not="" more="" than="" 15="" ppm="" of="" total="" sulphur="" gross="" heating="" value:="" not="" less="" than="" (35.39="" mj/scm)=""> vanliga frågor