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  • BSI
    BS 8609:2014 Natural gas. Calculation of carbon dioxide emission factors from composition
    Edition: 2014
    $316.70
    / user per year

Description of BS 8609:2014 2014

This British Standard gives methods for the calculation of the carbon dioxide emission factor of natural gases, natural gas substitutes and other combustible gaseous fuels, when the composition of the gas by mole fraction is known. The method provides for the calculation of the carbon dioxide emission factor at the commonly used reference conditions of temperature and pressure and on the four common quantity bases:

  • mole;

  • mass;

  • volume (at the reference conditions of temperature and pressure); and

  • energy (gross or net).

Annex A provides example calculations for carbon dioxide emission factors on all the above bases and their uncertainties.

This standard requires use of complete compositional data in the form of mole fractions that, by definition, sum to unity. If this is not so then the raw mole fraction data is to be normalized and the normalized mole fractions and their uncertainties recalculated. Guidance on such data processing is provided in BS EN ISO 6974‑1 and BS EN ISO 6974‑2.

If the compositional data are incomplete, i.e. not all components have been determined, then it is for the user to establish the significance of the error caused by their omission and subsequent normalization.

NOTE One way to establish the significance of any omission is to determine how carbon dioxide emission factor changes when the mole fraction of an undetermined component is estimated to be unity minus the sum of all raw mole fractions.



Standard NumberBS 8609:2014
TitleNatural gas. Calculation of carbon dioxide emission factors from composition
StatusUnder Review
Publication Date2014-07-31
DescriptorsGas chromatography, Data processing, Gas analysis, Determination of content, Statistical data, Gases, Natural gas, Error analysis, Statistical methods of analysis, Chemical analysis and testing
ICS75.060 Natural gas
CommitteePTI/15
ISBN978 0 580 83913 9
PublisherBSI
Pages18

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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