MODELING OF CATALYTIC OXIDATION REACTION OF METHANOL TO FORMALDEHYDE IN A FLUIDIZED BED REACTOR

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KHORSHIDI J.; KALBASI M.; SOHRABI MORTEZA; BAHRAMIAN A.R.

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Journal: Nashrieh Shimi va Mohandesi Shimi Iran Year:2006 | Volume:25 | Issue:2 Page(s): 59-64

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Title

MODELING OF CATALYTIC OXIDATION REACTION OF METHANOL TO FORMALDEHYDE IN A FLUIDIZED BED REACTOR

Author(s)

KHORSHIDI J. | KALBASI M. | SOHRABI MORTEZA | BAHRAMIAN A.R. | Issue Writer Certificate

Keywords

FLUIDIZED BED REACTORQ3

FORMALDEHYDEQ4

CATALYSTQ2

MODELINGQ4

OXIDATIONQ2

Abstract

Formaldehyde is a highly valuable and important chemical which is usually obtained by catalytic OXIDATION of methanol in fixed bed reactors. In the present work, this process is investigated in a FLUIDIZED BED REACTOR. For this purpose, a stainless-steel FLUIDIZED BED REACTOR with 22 mm diameter and 50 cm length with ability of temperature and material flow rate controls was constructed and various operational parameters effecting the reactor performance was studied. Results are compared with 3 three-phase models and the model’s precision in predicting the reactors behavior determined. The results indicate that under suitable conditions, the methanol conversion to FORMALDEHYDE increases up to 89% and by increasing the gas velocity in the fluidized bed, it is reduced, apparently due to the reduction in the residence time (reduced contact between the methanol with the FORMALDEHYDE). The analysis of the models indicate that the highest deviation belongs to the Shiau-Lin model with 23% error and the best fit is found for the model by El-Halwagi, Rafai with 10% error. Therefore, in this reaction, due to the smallness of the reactor diameter compared to it’s length, the recycle flows is found to be of less importance.

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APA: Copy

KHORSHIDI, J., KALBASI, M., SOHRABI, MORTEZA, & BAHRAMIAN, A.R.. (2006). MODELING OF CATALYTIC OXIDATION REACTION OF METHANOL TO FORMALDEHYDE IN A FLUIDIZED BED REACTOR. NASHRIEH SHIMI VA MOHANDESI SHIMI IRAN (PERSIAN), 25(2), 59-64. SID. https://sid.ir/paper/26447/en

Vancouver: Copy

KHORSHIDI J., KALBASI M., SOHRABI MORTEZA, BAHRAMIAN A.R.. MODELING OF CATALYTIC OXIDATION REACTION OF METHANOL TO FORMALDEHYDE IN A FLUIDIZED BED REACTOR. NASHRIEH SHIMI VA MOHANDESI SHIMI IRAN (PERSIAN)[Internet]. 2006;25(2):59-64. Available from: https://sid.ir/paper/26447/en

IEEE: Copy

J. KHORSHIDI, M. KALBASI, MORTEZA SOHRABI, and A.R. BAHRAMIAN, “MODELING OF CATALYTIC OXIDATION REACTION OF METHANOL TO FORMALDEHYDE IN A FLUIDIZED BED REACTOR,” NASHRIEH SHIMI VA MOHANDESI SHIMI IRAN (PERSIAN), vol. 25, no. 2, pp. 59–64, 2006, [Online]. Available: https://sid.ir/paper/26447/en

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