Biogenic fraction determination in fuel blends by laser-based 14CO2 detection

Year: 2021

Authors: Delli Santi M.G., Bartalini S., Cancio P., Galli I., Giusfredi G., Haraldsson C., Mazzotti D., Pesonen A., De Natale P.

Autors Affiliation: CNR-INO Via Carrara 1, Sesto Fiorentino, Florence 50019, Italy; LENS Via Carrara 1, Sesto Fiorentino, Florence 50019, Italy; ppqSense S.r.l. Via Gattinella 20, Campi Bisenzio, Florence 50013, Italy; Bioscience and Materials RISE Brinellgatan 4, Borås 50462, Sweden; Technology Center Neste Corp. Kilpilahti POB 310, Porvoo 06101, Finland; CNR-INO
Largo Fermi 6, Florence 50125, Italy

Abstract: A widespread use of biofuels is a key recommendation of the Paris Agreement and leading international organizations. It is an important step to mitigate the global warming effects due to greenhouse‐gas emissions from fossil oils. To this aim, an analytical technique sufficiently cheap and compact, to foster its widespread adoption, is necessary. Herein, it is shown that a compact, laser‐based spectrometer is suitable to replace the few established techniques, which have been used to quantify the biofraction in fuel blends, so far. Measurements of the biogenic fraction in different fuel samples are reported, with a precision of 1% in the whole range (0-100%) of possible blends, confirming a performance comparable to the best existing technique. An onsite‐deployable saturated‐absorption cavity ring‐down (SCAR) spectrometer is used. The results demonstrate the potential of laser‐based instrumentation to do the accurate and precise measurements required for the certification of biogenic content of any hydrocarbon‐based material. Worldwide adoption of such laser‐based technology for biofraction certification can significantly boost the market of biofuels and can prove to be a disruptive methodology for assessing the biogenic content in plastics and polymeric materials.

Journal/Review: ADVANCED PHOTONICS RESEARCH

Volume: 2 (3)      Pages from: 2000069-1  to: 2000069-7

More Information: The authors acknowledge M. De Pas, from Fritz Haber Institute of the Max Plank Society, M. Giuntini, from LENS, and A. Montori, from CNR-INO, for designing part of the electronics inside the C14-SCAR apparatus; M. Barucci, from CNR-INO, for his valuable help to manage many cryogenic aspects of the C14-SCAR apparatus; Ten. Col. A. Chiappa, from Centro Sperimentale di Volo, Aeronautica Militare, for providing some of the samples the authors have measured; A. Erasmus, from Stellenbosch University, for her help in improving the English language; financial support from the Aerotrazione con BioCarburanti (ABC) Project, funded by the Italian Ministry of the Environment (MATTM), for making the C14-SCAR apparatus possibl e.
KeyWords: biofuels; greenhouse-gas emissions mitigation; high-sensitivity spectroscopy; quantum cascade laser sensors; radiocarbon determination
DOI: 10.1002/adpr.202000069

Citations: 15
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