KINETIC MODELING OF MELAMINE SYNTHESIS FROM UREA IN FIXED BED REACTOR

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FARSHI A.; TORABI ANGAJI M.

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Paper Information

Journal: JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TABRIZ) Year:2006 | Volume:33 | Issue:2 (44 MECHANICAL ENG.) Page(s): 21-31

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Title

KINETIC MODELING OF MELAMINE SYNTHESIS FROM UREA IN FIXED BED REACTOR

Author(s)

FARSHI A. | TORABI ANGAJI M. | Issue Writer Certificate

Keywords

MELAMINEQ1

KINETICSQ2

UREAQ1

FIXED BED EXPERIMENTALQ1

MODELQ1

Abstract

MELAMINE is industrially produced from UREA. Therefore the kinetic inspection of the relevant reaction seems to be important to the end of accessing a suitable MODEL and design of the catalyzed bed reactor for synthesizing MELAMINE. The KINETICS of the mentioned reaction has not been found in the literature review. A fixed bed reactor with injection solid UREA was constructed to inspect the relevant reaction KINETICS. UREA is changed into MELAMINE, CO2 & NH3 at the presence of silica gel catalyst and the temperature of 400°C. The designed experiments were performed at the temperatures 370, 380 & 390°C based on the catalyst weight varying with the molar flow rate of the entering UREA [W/FA0 (kgcat/ (grmole/hr)] An equation pointing out the variance of the vv MJ conversion factor according to the ratio W/FA° was reported which followed the patent: XA=a (W/ FA°)b. Based on the mentioned equations above, at each temperature, the reaction rate conforming the concentration of the outlet UREA was reported r¢A =k ( CA). The mean reaction order at these three temperatures equaled to n=0.4.The functionality of k conforming T turned out to be an Arrhenius function (k = k0e – E/RT). The activation Kcal energy and the frequency content are 2.212 kcal/grmol and 75.4 respectively.

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APA: Copy

FARSHI, A., & TORABI ANGAJI, M.. (2006). KINETIC MODELING OF MELAMINE SYNTHESIS FROM UREA IN FIXED BED REACTOR. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TABRIZ), 33(2 (44 MECHANICAL ENG.)), 21-31. SID. https://sid.ir/paper/43683/en

Vancouver: Copy

FARSHI A., TORABI ANGAJI M.. KINETIC MODELING OF MELAMINE SYNTHESIS FROM UREA IN FIXED BED REACTOR. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TABRIZ)[Internet]. 2006;33(2 (44 MECHANICAL ENG.)):21-31. Available from: https://sid.ir/paper/43683/en

IEEE: Copy

A. FARSHI, and M. TORABI ANGAJI, “KINETIC MODELING OF MELAMINE SYNTHESIS FROM UREA IN FIXED BED REACTOR,” JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TABRIZ), vol. 33, no. 2 (44 MECHANICAL ENG.), pp. 21–31, 2006, [Online]. Available: https://sid.ir/paper/43683/en

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