FOURIER TRANSFORM INFRARED (FTIR) CHEMOMETRIC METHOD TO DETERMINE CETANE NUMBER OF DIESEL FUELS CONTAINING FATTY ACID ALKYL ESTER ADDITIVES

The present invention is a method to determine the cetane number of a diesel fuel containing a fatty acid alkyl ester including determining the infrared spectrum of the fuel and correlating the spectrum to the cetane number using a multivariate-based Mid-FTIR model. The fatty acid alkyl ester may be...

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Bibliographische Detailangaben
Hauptverfasser:	HAMJE, HEATHER D, RAMIREZ-ARIZMENDI, LUIS
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL CHEMISTRY FIRELIGHTERS FUELS FUELS NOT OTHERWISE PROVIDED FOR INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES LIQUEFIED PETROLEUM GAS LUBRICANTS MEASURING METALLURGY NATURAL GAS PEAT PETROLEUM, GAS OR COKE INDUSTRIES PHYSICS SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K TECHNICAL GASES CONTAINING CARBON MONOXIDE TESTING
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Beschreibung
Zusammenfassung:	The present invention is a method to determine the cetane number of a diesel fuel containing a fatty acid alkyl ester including determining the infrared spectrum of the fuel and correlating the spectrum to the cetane number using a multivariate-based Mid-FTIR model. The fatty acid alkyl ester may be rapeseed methyl ester and the infrared spectrum includes the frequency ranges 4900-3500 cm-1 and 2200-1624 cm-1 or the frequency ranges 4900-3500 cm-1, 2200-1800 cm-1 arid 1700-1624 cm-1.