EW-MFA Training Workshop –

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Presentation transcript:

EW-MFA Training Workshop – 3.9.2009 Session: - Table G: Balancing items and NAS – Net Additions to Stock

Balancing items and NAS – Table G

Balancing items and NAS - Intro Correct for inconsistent accounting of inputs and outputs to derive consistent material balance

Balancing items and NAS – Input side Oxygen for combustion processes -> based on air emission data -> requires to account in addition for H content in energy carriers -> requires to account for net demand (less oxygen content of energy carriers) Include real oxygen demand for production – steel production Exclude CO2 emissions from cement and lime production (intrinsic CO2) Oxygen for respiration - coefficients Nitrogen for Haber-Bosch – estimate Nitrogen for NO, NO2 emissions – feasible?

Balancing items and NAS – Output side Water vapour from fuels -> requires to account for H2O content in energy carriers Water vapor from oxidised hydrogen in fuels -> based on H accounted at input side CO2 and H2O from respiration of humans and livestocks – coefficients