How to convert MMSCFD to Kg/s?

Standard condition (S) measure at 1.01325 bara & 15.56 degC (60 degF)

Normal condition (N) measure at 1.01325 bara & 0 degC

1.0 MMSCFD
= 1,000,000/(24 x 3600) Sft³ /s
= 1,000,000/(24 x 3600)/35.3152 Sm³/s
= 1,000,000/(24 x 3600)/35.3152 x (273.15/288.71) Nm³/s
= 1,000,000/(24 x 3600)/35.3152 x (273.15/288.71)/22.414 kmol/s
= 1 / 72.2826

1 MMSCFD = 1 / 72.2826 kmol/s

or

1 MMSCFD = MW / 72.2826 kg/s

or

1 kg/s = 72.2826 / MW MMSCFD

MW = Molecular weight

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