ACM0010 equation helpers — acm0010_equations • cdmAcm0010

Reusable helpers for ACM0010 methane accounting equations.

convert_methane_volume_to_mass(volume_m3, methane_density = 0.0007168)

calculate_cod_removed_acm0010(cod_in_mg_l, cod_out_mg_l, flow_m3)

calculate_baseline_emissions_acm0010(cod_removed_kg, methane_conversion_factor, methane_fraction = 0.67, gwp_ch4 = 28)

calculate_project_emissions_acm0010(methane_recovered_m3, combustion_efficiency, methane_density = 0.0007168, gwp_ch4 = 28)

calculate_leakage_emissions_acm0010(electricity_consumed_mwh, grid_emission_factor, additional_leakage = 0)

calculate_net_emission_reductions_acm0010(baseline, project, leakage)

Arguments

volume_m3: Methane volume in cubic metres.
methane_density: Density of methane in tonnes per cubic metre.
cod_in_mg_l: Influent COD concentration in mg/L.
cod_out_mg_l: Effluent COD concentration in mg/L.
flow_m3: Daily wastewater flow in cubic metres.
cod_removed_kg: COD removed in kilograms per day.
methane_conversion_factor: Fraction of degradable COD converted to methane.
methane_fraction: Fraction of methane in biogas.
gwp_ch4: Global warming potential for methane.
methane_recovered_m3: Volume of methane recovered in cubic metres.
combustion_efficiency: Fraction of recovered methane combusted.
electricity_consumed_mwh: Grid electricity consumption in MWh.
grid_emission_factor: Grid emission factor in tCO2e/MWh.
additional_leakage: Additional leakage emissions in tonnes CO2e.
baseline: Baseline emissions in tonnes CO2e.
project: Project emissions in tonnes CO2e.
leakage: Leakage emissions in tonnes CO2e.

Value

Numeric vectors representing the requested quantity.

Examples

convert_methane_volume_to_mass(100)
#> [1] 0.07168
calculate_cod_removed_acm0010(4000, 800, 250)
#> [1] 800
calculate_baseline_emissions_acm0010(50, 0.8)
#> [1] 0.1876
calculate_project_emissions_acm0010(1200, 0.95)
#> [1] 1.204224
calculate_leakage_emissions_acm0010(10, 0.8, 2)
#> [1] 10
calculate_net_emission_reductions_acm0010(100, 5, 3)
#> [1] 92