One of the main problems in the study or industrial application of transesterification processes for vegetable oils is how to measure the methyl ester content. In this work, a quick analytical method was developed for assessing the methyl ester content of purified “fuel grade” transesterification products by applying a simple correlation with viscosity. The correlation was tested on a wide range of samples with various methyl ester contents; the results were in agreement with the values measured by gas-chromatographic analysis. In a defined range of weight fractions the correlation allows for the determination of the methyl ester content of purified transesterification products by a single viscosity measurement. This method is especially suitable for process control purposes as it determines the methyl ester content quickly and simply.
A simple control method for the determination of methylesters in biodiesel fuels / DE FILIPPIS, Paolo; Giavarini, Carlo; Scarsella, Marco; M., Sorrentino. - In: JOURNAL OF THE AMERICAN OIL CHEMISTS' SOCIETY. - ISSN 0003-021X. - STAMPA. - 72:11(1995), pp. 1399-1404. [10.1007/bf02546218]
A simple control method for the determination of methylesters in biodiesel fuels
DE FILIPPIS, Paolo;GIAVARINI, Carlo;SCARSELLA, Marco;
1995
Abstract
One of the main problems in the study or industrial application of transesterification processes for vegetable oils is how to measure the methyl ester content. In this work, a quick analytical method was developed for assessing the methyl ester content of purified “fuel grade” transesterification products by applying a simple correlation with viscosity. The correlation was tested on a wide range of samples with various methyl ester contents; the results were in agreement with the values measured by gas-chromatographic analysis. In a defined range of weight fractions the correlation allows for the determination of the methyl ester content of purified transesterification products by a single viscosity measurement. This method is especially suitable for process control purposes as it determines the methyl ester content quickly and simply.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.