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Information Journal Paper

Title

MODIFICATION OF THERMAL AND OXIDATIVE PROPERTIES OF BIODIESEL PRODUCED FROM VEGETABLE OILS

Pages

  391-400

Abstract

 Trans esterification of three vegetable oils, sunflower oil, linseed oil and mixed oils as; sunflowersoyabean and olein were carried out using methanol, and potasium hydroxide as catalyst. The methyl esters of the corresponding oils were separated from the crude glycerol and characterized by physical-chemical methods to evaluate their thermal PROPERTIES. This methods are determination of densities, cloud points, pour points, flash points, kinematic viscosities, hydrogen/carbon ratios, sulfur contents, ash contents and triglycerides. The physico-chemical characteristic of biodiesel treated with ozone showed improvement of pour point and flash point indicating higher degree of safety for fuel. Methyl esters mixed with their corresponding ozonated oil were subjected to comparison and evaluation for their thermal PROPERTIES by the thermo gravimetric analysis differential THERMAL ANALYSIS from which the calculated heat of enthalpy and comparison with the heat of conventional diesel. The results showed that the oxygen content of biodiesel samples treated with ozone increased weight % and resulted in more extensive chemical reaction, promoted combustion characteristics and less carbon residue was produced. Gas chromatography appeared more suitable to address the problem of determining/verifying biodiesel methyl ester and showed that methyl ester content was impurity free. Ultra violet-detection was used for rapid quantization of triglycerols. From the analyses performed biodiesel treated with ozone modified the thermal and OXIDATIVE STABILITY shown by the high combustion efficiency indicated by the high heat of enthalpy and reducing the emission of particulate matter.

Cites

References

Cite

APA: Copy

EL DIWANI, G., & EL RAFIE, S.. (2008). MODIFICATION OF THERMAL AND OXIDATIVE PROPERTIES OF BIODIESEL PRODUCED FROM VEGETABLE OILS. INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST), 5(3 (19)), 391-400. SID. https://sid.ir/paper/285103/en

Vancouver: Copy

EL DIWANI G., EL RAFIE S.. MODIFICATION OF THERMAL AND OXIDATIVE PROPERTIES OF BIODIESEL PRODUCED FROM VEGETABLE OILS. INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST)[Internet]. 2008;5(3 (19)):391-400. Available from: https://sid.ir/paper/285103/en

IEEE: Copy

G. EL DIWANI, and S. EL RAFIE, “MODIFICATION OF THERMAL AND OXIDATIVE PROPERTIES OF BIODIESEL PRODUCED FROM VEGETABLE OILS,” INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST), vol. 5, no. 3 (19), pp. 391–400, 2008, [Online]. Available: https://sid.ir/paper/285103/en

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