SEPARATION OF BIODIESEL-GLYCEROL THROUGH NACL-ASSISTED GRAVITATIONAL SETTLING

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SHIRAZI M.M.A.; KARGARI A.; TABATABAEI M.; MOSTAFAEI B.; AKIA M.; Barkhi M.; SHIRAZI M.J.A.

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Seminar Paper

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Seminar: CHEMICAL ENGINEERING CONGRESS AND EXHIBITION
Year:2014 | Issue:8

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Title

SEPARATION OF BIODIESEL-GLYCEROL THROUGH NACL-ASSISTED GRAVITATIONAL SETTLING

Author(s)

Keywords

BIODIESEL

GLYCEROL

GRAVITATIONAL SETTLING

NACL-ASSISTED

Abstract

DURING BIODIESEL PRODUCTION, SLOW SEPARATION OF GLYCEROL; THE MAIN BY-PRODUCT OF THE TRANS ESTERIFICATION REACTION, COULD LEAD TO LONGER OPERATING TIMES, BIGGER EQUIPMENT AND LARGER AMOUNT OF STEEL AND CONSEQUENTLY INCREASED PRODUCTION COST. THEREFORE, ACCELERATION OF GLYCEROL/BIODIESEL SEPARATION COULD PLAY AN IMPORTANT ROLE IN THE OVERALL BIODIESEL REFINERY PROCESS. IN THIS WORK, NACL-ASSISTED GRAVITATIONAL SETTLING WAS CONSIDERED AS AN ECONOMIZING STRATEGY. THE RESULTS OBTAINED INDICATED THAT THE ADDITION OF CONVENTIONAL SALT (NACL) DECREASED THE GLYCEROL SETTLING TIME SIGNIFICANTLY UP TO MORE THAN 5 TIMES. HOWEVER, NACL INCLUSION RATES OF MORE THAN 3 G TO THE MIXTURE (I.E.5 AND 10 G) RESULTED IN SIGNIFICANTLY LESS METHYL ESTER PURITY DUE TO THE OCCURRENCE OF MINIEMULSION PHENOMENON. OVERALL, ADDITION OF 1 G NACL/100 ML GLYCEROL-BIODIESEL MIXTURE WAS FOUND AS OPTIMAL BY ACCELERATING THE DECANTATION PROCESS BY 100% WHILE MAINTAINING THE METHYL ESTER PURITY AS HIGH AS THE CONTROL (0 G NACL).

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APA: Copy

SHIRAZI, M.M.A., KARGARI, A., TABATABAEI, M., MOSTAFAEI, B., AKIA, M., Barkhi, M., & SHIRAZI, M.J.A.. (2014). SEPARATION OF BIODIESEL-GLYCEROL THROUGH NACL-ASSISTED GRAVITATIONAL SETTLING. INTERNATIONAL CHEMICAL ENGINEERING CONGRESS AND EXHIBITION. SID. https://sid.ir/paper/916152/en

Vancouver: Copy

SHIRAZI M.M.A., KARGARI A., TABATABAEI M., MOSTAFAEI B., AKIA M., Barkhi M., SHIRAZI M.J.A.. SEPARATION OF BIODIESEL-GLYCEROL THROUGH NACL-ASSISTED GRAVITATIONAL SETTLING. 2014. Available from: https://sid.ir/paper/916152/en

IEEE: Copy

M.M.A. SHIRAZI, A. KARGARI, M. TABATABAEI, B. MOSTAFAEI, M. AKIA, M. Barkhi, and M.J.A. SHIRAZI, “SEPARATION OF BIODIESEL-GLYCEROL THROUGH NACL-ASSISTED GRAVITATIONAL SETTLING,” presented at the INTERNATIONAL CHEMICAL ENGINEERING CONGRESS AND EXHIBITION. 2014, [Online]. Available: https://sid.ir/paper/916152/en

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