Studies on the synthesis of 2 &amp; 4-picoline-correlation of acidity with the catalytic activity.

The gas phase pyridine synthesis process is usually carried out in a fluidized bed reactor. The contact efficiency between the reactants and the catalysts has great influence on the reactor performance. In this paper, three fluidized bed reactors with different flow patterns were used to investigate the contact efficiency. The superficial contact efficiency index (SCEI) was defined and used in this paper to quantify the contact efficiency inside these reactors. To obtain the values of the SCEI, the ideal reactor model was constructed. The results showed that the SCEI average value decreased as the flow pattern shifted from fast fluidization to bubbling fluidization; these values were 0.86, 0.55, and 0.19 for the fast fluidized bed reactor, turbulent fluidized bed reactor, and bubbling fluidized bed reactor, respectively. An empirical correlation was proposed in this paper to predict the SCEI under different operating conditions. The model prediction results agreed well with experimental results with an average prediction error of 8%.

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Gas solid contact efficiency of pyridine synthesis reactors

Zhou

Qiao

Yang

et al. 2021

Can J Chem Eng

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Mechanism of pyridine bases prepared from acrolein and ammonia by in situ infrared spectroscopy

Zhang

Chao

2016

Journal of Molecular Catalysis A: Chemical

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Ammonolysis of ethanol on pure and zinc oxide modified HZSM-5 zeolites

Naik¹,

Fernandes²

2001

Applied Catalysis A: General

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Studies on the synthesis of 2 & 4-picoline-correlation of acidity with the catalytic activity.

Cited by 5 publications

References 5 publications

Gas solid contact efficiency of pyridine synthesis reactors

Gas solid contact efficiency of pyridine synthesis reactors

Mechanism of pyridine bases prepared from acrolein and ammonia by in situ infrared spectroscopy

Ammonolysis of ethanol on pure and zinc oxide modified HZSM-5 zeolites

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