TUNGSTOFOSFORİK ASİTLE MODİFİYE H-BETA ZEOLİT KATALİZÖRLER VARLIĞINDA DİFENİLMETAN SENTEZİ

Sema Akyalçın; Levent Akyalçın; Fatma Hande Keskin; Çağan Satır

doi:10.31796/ogummf.1464296

TR EN

TUNGSTOFOSFORİK ASİTLE MODİFİYE H-BETA ZEOLİT KATALİZÖRLER VARLIĞINDA DİFENİLMETAN SENTEZİ

Öz

Bu çalışmada, H-Beta (HB) zeolit destekli tungstofosforik asit (TPA) üzerinde benzenin benzil alkol ile reaksiyonundan difenilmetan (DPM) sentezi araştırılmıştır. Destek zeoliti üzerinde ağırlıkça %5 ila %20 arasında değişen TPA yüklemeleri ıslak emdirme yöntemi kullanılarak elde edilmiş ve desteklenen katalizörler kalsinasyon işlemine tabi tutulmuştur. Hazırlanan katalizörler ICP-OES, XRD, azot adsorpsiyon-desorpsiyon izotermleri, amonyağın sıcaklık programlı desorpsiyonu (NH3-TPD) ve FT-IR ile karakterize edilmiştir. Sonuçlar, %98,9 benzil alkol dönüşümü ve %87,3 difenilmetan seçiciliği ile %5TPA-HB'nin hazırlanan diğer katalizörlerden daha yüksek bir katalitik performansa sahip olduğunu göstermiştir. Çalışma, %5TPA-HB'nin uygun gözenek büyüklüğü ve yüksek erişilebilir güçlü asit bölgelerinin iyi bir kombinasyonu sayesinde DPM sentezinde potansiyel uygulamalara sahip olduğunu göstermiştir.

Anahtar Kelimeler

Benzilasyon , Benzil alkol , Difenilmetan , Heteropoli Asit , H-Beta

SYNTHESIS OF DIPHENYLMETHANE OVER TUNGSTOPHOSPHORIC ACID MODIFIED H-BETA ZEOLITE CATALYSTS

Abstract

In this study, the synthesis of diphenylmethane (DPM) from the reaction of benzene with benzyl alcohol over tungstophosphoric acid (TPA) supported on H-Beta (HB) zeolite was investigated. TPA loadings on the support zeolite ranging from 5 to 20% w/w were achieved using the wet impregnation method, and the supported catalysts were subjected to calcination treatment. The prepared catalysts were characterized by ICP-OES, XRD, nitrogen adsorption-desorption isotherms, temperature-programmed desorption of ammonia (NH3-TPD), and FT-IR. The results showed that 5%TPA-HB had a higher catalytic performance than the other prepared catalysts, with 98.9 % benzyl alcohol conversion and 87.3 % diphenylmethane selectivity. The study suggested that 5%TPA-HB has potential applications in the synthesis of DPM owing to a good combination of suitable pore size and large accessible strong acid sites.

Keywords

Benzylation , Benzyl alcohol , Diphenylmethane , Heteropoly acid , H-Beta

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Details

Primary Language

Turkish

Subjects

Reaction Engineering (Excl. Nuclear Reactions)

Journal Section

Research Article

Authors

Sema Akyalçın ^*
0000-0001-8269-2968
Türkiye

Levent Akyalçın
0000-0001-6779-1597
Türkiye

Fatma Hande Keskin
0009-0003-0813-6850
Türkiye

Çağan Satır
0009-0003-8678-3885
Türkiye

Early Pub Date

December 12, 2024

Publication Date

December 22, 2024

Submission Date

April 3, 2024

Acceptance Date

September 19, 2024

Published in Issue

Year 1970 Volume: 32 Number: 3

DOI

https://doi.org/10.31796/ogummf.1464296

IZ

https://izlik.org/JA94RW72ES

APA

Akyalçın, S., Akyalçın, L., Keskin, F. H., & Satır, Ç. (2024). TUNGSTOFOSFORİK ASİTLE MODİFİYE H-BETA ZEOLİT KATALİZÖRLER VARLIĞINDA DİFENİLMETAN SENTEZİ. Eskişehir Osmangazi Üniversitesi Mühendislik Ve Mimarlık Fakültesi Dergisi, 32(3), 1556-1564. https://doi.org/10.31796/ogummf.1464296

AMA

1.Akyalçın S, Akyalçın L, Keskin FH, Satır Ç. TUNGSTOFOSFORİK ASİTLE MODİFİYE H-BETA ZEOLİT KATALİZÖRLER VARLIĞINDA DİFENİLMETAN SENTEZİ. Eskişehir Osmangazi Üniversitesi Mühendislik ve Mimarlık Fakültesi Dergisi. 2024;32(3):1556-1564. doi:10.31796/ogummf.1464296

Chicago

Akyalçın, Sema, Levent Akyalçın, Fatma Hande Keskin, and Çağan Satır. 2024. “TUNGSTOFOSFORİK ASİTLE MODİFİYE H-BETA ZEOLİT KATALİZÖRLER VARLIĞINDA DİFENİLMETAN SENTEZİ”. Eskişehir Osmangazi Üniversitesi Mühendislik Ve Mimarlık Fakültesi Dergisi 32 (3): 1556-64. https://doi.org/10.31796/ogummf.1464296.

EndNote

Akyalçın S, Akyalçın L, Keskin FH, Satır Ç (December 1, 2024) TUNGSTOFOSFORİK ASİTLE MODİFİYE H-BETA ZEOLİT KATALİZÖRLER VARLIĞINDA DİFENİLMETAN SENTEZİ. Eskişehir Osmangazi Üniversitesi Mühendislik ve Mimarlık Fakültesi Dergisi 32 3 1556–1564.

IEEE

[1]S. Akyalçın, L. Akyalçın, F. H. Keskin, and Ç. Satır, “TUNGSTOFOSFORİK ASİTLE MODİFİYE H-BETA ZEOLİT KATALİZÖRLER VARLIĞINDA DİFENİLMETAN SENTEZİ”, Eskişehir Osmangazi Üniversitesi Mühendislik ve Mimarlık Fakültesi Dergisi, vol. 32, no. 3, pp. 1556–1564, Dec. 2024, doi: 10.31796/ogummf.1464296.

ISNAD

Akyalçın, Sema - Akyalçın, Levent - Keskin, Fatma Hande - Satır, Çağan. “TUNGSTOFOSFORİK ASİTLE MODİFİYE H-BETA ZEOLİT KATALİZÖRLER VARLIĞINDA DİFENİLMETAN SENTEZİ”. Eskişehir Osmangazi Üniversitesi Mühendislik ve Mimarlık Fakültesi Dergisi 32/3 (December 1, 2024): 1556-1564. https://doi.org/10.31796/ogummf.1464296.

JAMA

1.Akyalçın S, Akyalçın L, Keskin FH, Satır Ç. TUNGSTOFOSFORİK ASİTLE MODİFİYE H-BETA ZEOLİT KATALİZÖRLER VARLIĞINDA DİFENİLMETAN SENTEZİ. Eskişehir Osmangazi Üniversitesi Mühendislik ve Mimarlık Fakültesi Dergisi. 2024;32:1556–1564.

MLA

Akyalçın, Sema, et al. “TUNGSTOFOSFORİK ASİTLE MODİFİYE H-BETA ZEOLİT KATALİZÖRLER VARLIĞINDA DİFENİLMETAN SENTEZİ”. Eskişehir Osmangazi Üniversitesi Mühendislik Ve Mimarlık Fakültesi Dergisi, vol. 32, no. 3, Dec. 2024, pp. 1556-64, doi:10.31796/ogummf.1464296.

Vancouver

1.Sema Akyalçın, Levent Akyalçın, Fatma Hande Keskin, Çağan Satır. TUNGSTOFOSFORİK ASİTLE MODİFİYE H-BETA ZEOLİT KATALİZÖRLER VARLIĞINDA DİFENİLMETAN SENTEZİ. Eskişehir Osmangazi Üniversitesi Mühendislik ve Mimarlık Fakültesi Dergisi. 2024 Dec. 1;32(3):1556-64. doi:10.31796/ogummf.1464296

TUNGSTOFOSFORİK ASİTLE MODİFİYE H-BETA ZEOLİT KATALİZÖRLER VARLIĞINDA DİFENİLMETAN SENTEZİ

Öz

Anahtar Kelimeler

SYNTHESIS OF DIPHENYLMETHANE OVER TUNGSTOPHOSPHORIC ACID MODIFIED H-BETA ZEOLITE CATALYSTS

Abstract

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References

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