New Ways for the Advanced Quality Control of Liquefied Natural Gas

Borja Ferreiro, Jose Andrade, Carlota Paz-Quintáns, Purificación López-Mahía and Soledad Muniategui-Lorenzo
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Borja Ferreiro: Group of Applied Analytical Chemistry, Campus da Zapateira, University of A Coruña, 15071 A Coruna, Spain
Jose Andrade: Group of Applied Analytical Chemistry, Campus da Zapateira, University of A Coruña, 15071 A Coruna, Spain
Carlota Paz-Quintáns: Group of Applied Analytical Chemistry, Campus da Zapateira, University of A Coruña, 15071 A Coruna, Spain
Purificación López-Mahía: Group of Applied Analytical Chemistry, Campus da Zapateira, University of A Coruña, 15071 A Coruna, Spain
Soledad Muniategui-Lorenzo: Group of Applied Analytical Chemistry, Campus da Zapateira, University of A Coruña, 15071 A Coruna, Spain

Energies, 2022, vol. 15, issue 1, 1-18

Abstract: Currently, gas chromatography is the most common analytical technique for natural gas (NG) analysis as it offers very precise results, with very low limits of detection and quantification. However, it has several drawbacks, such as low turnaround times and high cost per analysis, as well as difficulties for on-line implementation. With NG applications rising, mostly thanks to its reduced gaseous emissions in comparison with other fossil fuels, the necessity for more versatile, fast, and economic analytical methods has augmented. This work summarizes the latest advances to determine the composition and physico-chemical properties of regasified liquid natural gas, focusing on infrared spectroscopy-based techniques, as well as on data processing (chemometric techniques), necessary to obtain adequate predictions of NG properties.

Keywords: natural gas composition; natural gas analysis; quality control; FTIR; multivariate regression; PLS (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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