An industrial investigation into COx formation in p-Xylene oxidation reactor

سال انتشار: 1390
محل انتشار: هفتمین کنگره ملی مهندسی شیمی
کد COI اختصاصی: ICHEC07_338
زبان مقاله: انگلیسی
تعداد مشاهده: 1164

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نویسندگان

Sasan Arabi

Process Engineering Department, Tondgooyan Petrochemical Co.(STPC)

Mazyar Madooli Behbehani

Process Engineering Department, Tondgooyan Petrochemical Co.(STPC)

Elham Amini

Process Engineering Department, Tondgooyan Petrochemical Co.(STPC)

چکیده

During the liquid-phase oxidation of P-Xylene, over-oxidation of reactant and solvent to Carbon dioxide and Carbon monoxide is generally known as the burning side reaction. The effect of reaction pressure and temperature on the burning side reaction was studied in this paper. Several tests carried out in an industrial reactor which produces Terephthalic Acid by liquid-phase oxidation of P-Xylene and the experimental data of the burning side reaction were analyzed and reported. The yield of main reaction was kept constant by changing in catalyst concentration. The result showed the rates of burning side reactions are reduced remarkably with decreasing in reactor pressure and temperature. Finally, a direct relation between burning side reaction and reaction pressure and temperature was developed and the model parameters were determined by data fitting of the burning side reaction rate curves.

کلیدواژه ها

Burning side reaction, P-Xylene, Oxidation, Kinetics, Terephthalic Acid, Acetic Acid

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