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Construction of a kinetic model for the oxidation of C 3 -C 4 -aldehydes on heteropoly compounds.

Authors

Shiraliyeva Ulkar, Huseynova Elmira, Ismayilova Kamala, Imanova Nasiba, Bagirova Ziba

Rubric:Chemistry
292
3
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Annotation

The kinetic regularities of oxidation of unsaturated aldehydes acrolein and methacrolein into corresponding acids have been studied on modified phosphormolybdenum heteropoly acid catalysts. It was found that methacrylic acid is formed according to the sequential scheme, and deep oxidation products according to the parallel-sequential scheme. The analysis of experimental data shows that the acetic acid yield on heteropolyacetic acid catalysts is high enough and can reach 30%. Therefore, it is incorrect to neglect the route of acetic acid formation when assessing the kinetics of the process. Differential equations were made to process the experimental data on the kinetics of aldehyde oxidation. The developed kinetic model can be used to model the reaction apparatus.

Keywords

kinetics
heteropolyacids
acrolein
methacrolein
acrylic
and methacrylic acid

Authors

Shiraliyeva Ulkar, Huseynova Elmira, Ismayilova Kamala, Imanova Nasiba, Bagirova Ziba

References:

1. Стыценко В.Д. “Кинетика и катализ в нефтепереработке и нефтехимии”, ИЦ РГУ нефти и газа, Москва, 2018.

2. Гусейнова Э.Б. “Влияние технологических условий проведения процесса окисления акролеина до акриловой кислоты на его основные параметры” Тезисы докладов научно-технической конференции аспирантов. Баку, 1993

3. Романовский Б. В. “Основы катализа” М.: Бином. Лаборатория знаний, Москва, 2015.- 172 с

4. Аветисов А.К., Брук Л.Г. “ Прикладной катализ” И: Лань, Санкт-Петербург, 2020. – 200.

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