Biogenic Carbon Fraction of Biogas and Natural Gas Fuel Mixtures Determined with 14 C
Bibliographic Data
| ID | 9243795 |
|---|---|
| Authors | Sanne W L Palstra (0000-0003-2024-0872), Harro A J Meijer |
| Year | 2014 |
| Volume | 56 |
| Issue | 1 |
| Pages | 7-28 |
| Publication date | 2014-01-01 |
| Open Access | Yes |
| Type | ARTICLE |
| Venue | Radiocarbon (JOURNAL) |
| Journal identifiers | ISSN: 0033-8222 • E-ISSN: 1945-5755 |
| Publisher | Cambridge University Press (CUP) (PUBLISHER) |
| DOI | 10.2458/56.16514 |
| OpenAlex | W1995015159 |
| Language | EN |
| Citations received | 5 |
| References cited | 37 |
This study investigates the accuracy of the radiocarbon-based calculation of the biogenic carbon fraction for different biogas and biofossil gas mixtures. The focus is on the uncertainty in the 14 C reference values for 100% biogenic carbon and on the 13 C-based isotope fractionation correction of the measured 14 C values. The separately (AMS) measured CO 2 and CH 4 fractions of 8 different biogas samples showed 14 C values between 102‰ and 116% (pMC). The δ 13 C values of these samples varied between –6‰ and +31‰ for the CO 2 fraction and between –28‰ and –62‰ for the CH 4 fraction. The uncertainty in calculated biogenic carbon fractions due to uncertainty in the 14 C reference values depends on the available information about the origin of the used biogenic materials. It varies between ±0.5% and ±3.5% (absolute) depending on the type of biogas. A method is proposed to minimize this uncertainty for different groups of biogases. The calculated biogenic carbon fraction deviates up to ±2.5% for biofossil gas mixtures, if the applied isotope fractionation correction is based on the δ 13 C value of the mixed biofossil sample instead of the biogenic δ 13 C value. Combination of both error sources shows that the uncertainty in the calculated biogenic carbon fraction varies between ±0.7% and ±4.5%, depending on the type of biogas in the sample
Biogas · Carbon fibers · Chromatography · Fractionation · Isotope · Isotopes of carbon · Total organic carbon · Waste management · Atmospheric and Environmental Gas Dynamics · Chemistry · Hydrocarbon exploration and reservoir analysis · Isotope Analysis in Ecology · Materials Science · Environmental Chemistry
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| Citations per year | 0.63 |
|---|---|
| Citation span | 2018 - 2023 (6) |
| Highly cited | No |