TRANSESTERIFICATION PROCESSES FOR VEGETABLE-OILS - A SIMPLE CONTROL METHOD OF METHYL-ESTER CONTENT

被引:58
作者
DEFILIPPIS, P
GIAVARINI, C
SCARSELLA, M
SORRENTINO, M
机构
[1] UNIV ROMA LA SAPIENZA,DIPARTIMENTO INGN CHIM,I-00184 ROME,ITALY
[2] DIREZ CENT ANAL MERCEOL & LAB,DIPARTIMENTO DOGANE,ROME,ITALY
关键词
DENSITY MEASUREMENT; DIESEL OIL SUBSTITUTE; ESTERIFICATION; METHYL ESTER DENSITY; METHYL ESTER DETERMINATION; METHYL ESTER VISCOSITY; VEGETABLE OILS; VISCOSITY MEASUREMENT;
D O I
10.1007/BF02546218
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
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.
引用
收藏
页码:1399 / 1404
页数:6
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