Carbon Credits (Carbon Farming Initiative—Domestic, Commercial and Industrial Wastewater) Methodology Determination 2015
30Methane sent to combustion device or biogas upgrading system
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30 Methane sent to combustion device or biogas upgrading system
(1) The methane from project treatment facility t sent during a reporting period to combustion device or biogas upgrading system h, MSent t, h (in cubic metres), is worked out as follows:
(a) in the case of a combustion device that is an internal combustion engine—using equation 9 or 10;
(b) in the case of a biogas upgrading system—using equation 9 or, subject to subsection (2B), equation 9A;
(c) in any other case—using equation 9.
(2) The following formula is equation 9:
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MSent t,h means the methane from project treatment facility t sent to combustion device or biogas upgrading system h during the reporting period, in cubic metres.
QBG t,h means the biogas from project treatment facility t sent to combustion device or biogas upgrading system h during the reporting period, in cubic metres, worked out in accordance with the monitoring requirements.
WBG, CH4, t, h means the proportion of the volume of the biogas from project treatment facility t sent to combustion device or biogas upgrading system h that is methane, worked out in accordance with the monitoring requirements.
(2A) The following formula is equation 9A:
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MSent t,h means the methane from project treatment facility t sent to biogas upgrading system h during the reporting period, in cubic metres.
QBM, h is the total volume of biomethane sent out by biogas upgrading system h during the reporting period, in cubic metres, determined in accordance with the monitoring requirements.
WBM, CH4, h is the proportion of QBM, h that is methane, expressed as a fraction, determined in accordance with the monitoring requirements.
(2B) For subsection (1), equation 9A cannot be used to determine MSent t,h if, in a reporting period, biogas upgrading system h receives biogas from:
(a) more than one project treatment facility; or
(b) a biogas source facility that is not part of the project.
Note: MSent t,h is worked out for each combustion device or biogas upgrading system used at project treatment facility t. If a biogas upgrading system receives biogas from more than one source, equation 9A cannot be used since apportioning the proportion of methane in the produced biomethane attributable to biogas from a specific project treatment facility is not feasible – equation 9 would be more appropriate in that circumstance.
(3) The following formula is equation 10:
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