PERPARATION OF MONOGLYCERIDE FROM BIODIESEL AND ITS ANTI-WEAR PERFORMANCE  IN DIESEL

Abstract

Abstract: The monoglycerides were prepared from biodiesel and monoglycerol by transesterification reaction, and the products of monoglycerides were used as anti-wear additive in low sulfur diesel fuels. The anti-wear properties of glycerides prepared under different reaction conditions, such as reaction molar ratio, reaction time, and reaction temperature were investigated, the effects of freezing crystallization of biodiesel and short path distillation purification of reaction products on the anti-wear properties were discussed as well, and the lubricating stability of purified monoglycerides was further investigated. The results showed that the optimum reaction conditions were as follows: the molar ratio of biodiesel to glycerol was 1∶1, the reaction time was 8 h, and the reaction temperature range was 160-180 ℃. In addition, the anti-wear performance of monoglycerides obtained by freezing crystallization and short path distillation purification was better than that of monoglycerides obtained by the unrefined treatment, observably. Furthermore, the refined monoglycerides had good lubricating stability.

Key words: anti-wear additive, diesel, biodiesel, monoglyceride, short path distillation

References

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PERPARATION OF MONOGLYCERIDE FROM BIODIESEL AND ITS ANTI-WEAR PERFORMANCE IN DIESEL

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