Preparation of Mg/Ce-SBA-15 catalyst and its performance on phenol alkylation with methanol

WANG Jun-feng; SHEN Jian; LI Jian

Volume 45 Issue 5

May 2017

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Article Navigation > Journal of Fuel Chemistry and Technology > 2017 > 45(5): 633-640

WANG Jun-feng, SHEN Jian, LI Jian. Preparation of Mg/Ce-SBA-15 catalyst and its performance on phenol alkylation with methanol[J]. Journal of Fuel Chemistry and Technology, 2017, 45(5): 633-640.

Citation:

WANG Jun-feng, SHEN Jian, LI Jian. Preparation of Mg/Ce-SBA-15 catalyst and its performance on phenol alkylation with methanol[J]. Journal of Fuel Chemistry and Technology, 2017, 45(5): 633-640.

WANG Jun-feng, SHEN Jian, LI Jian. Preparation of Mg/Ce-SBA-15 catalyst and its performance on phenol alkylation with methanol[J]. Journal of Fuel Chemistry and Technology, 2017, 45(5): 633-640.

Citation:

WANG Jun-feng, SHEN Jian, LI Jian. Preparation of Mg/Ce-SBA-15 catalyst and its performance on phenol alkylation with methanol[J]. Journal of Fuel Chemistry and Technology, 2017, 45(5): 633-640.

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Preparation of Mg/Ce-SBA-15 catalyst and its performance on phenol alkylation with methanol

College of Petrochemical Engineering, Liaoning Shihua University, Fushun 113001, China

Received Date: 2016-12-20
Rev Recd Date: 2017-03-13

Available Online: 2021-01-23

Publish Date: 2017-05-10

Abstract

Abstract

Mg/Ce-SBA-15 mesoporous molecular sieves were synthesized by using Ce-SBA-15 as support and magnesium nitrate as precursor through impregnation method. The samples were characterized by XRD, N₂ adsorption-desorption, BET, SEM, NH₃-TPD, Py-FTIR and TG-DTA techniques. The results indicate that the original crystal structures of SBA-15 remain unchanged after modification with Mg, but the number of weak acids were increased especially L acids. The performances of catalysts in phenol alkylation with methanol were studied in a fixed bed reactor. The results showed that the catalyst showed the highest catalytic activity under the conditions of Mg content=7%, calcination temperature=550℃ and calcination time=4.5 h.At 460℃, n(phenol):n(methanol)=1:4, WHSV=3.0 h^-1 and atmospheric pressure, the conversion of phenol was 80.1% and the selectivity to o-cresol was 86.4%.
- mesoporous molecular sieves,
- Mg/Ce-SBA-15,
- phenol,
- o-cresol,
- regeneration

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References(28)

References

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