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Croatica Chemica Acta
Article . 2024 . Peer-reviewed
Data sources: Crossref
https://dx.doi.org/10.60692/8q...
Other literature type . 2024
Data sources: Datacite
https://dx.doi.org/10.60692/66...
Other literature type . 2024
Data sources: Datacite
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Catalytic Hydrogenation of Succinic Acid Using Materials of Fe/CeO2, Cu/CeO2 AND Fe-Cu/CeO2

الهدرجة التحفيزية لحمض السكسينيك باستخدام مواد Fe/CeO2 و Cu/CeO2 و Fe - Cu/CeO2
Authors: Alexis Lorenzo Ruíz; Claudia Patricia Castañeda Martínez; Eleida Sosa; Corina Iris Rodríguez; Sonia Mancípe; José Javier Pérez-Fadón Martínez; María H. Brijaldo; +1 Authors

Catalytic Hydrogenation of Succinic Acid Using Materials of Fe/CeO2, Cu/CeO2 AND Fe-Cu/CeO2

Abstract

La réaction d'hydrogénation de l'acide succinique en phase liquide a été étudiée en utilisant les catalyseurs métalliques supportés, Fe/CeO2, Cu/CeO2 et Fe-Cu/CeO2. Le support CeO2 a été préparé par la méthode de précipitation et les solides métalliques supportés par imprégnation à sec du support. Pour les solides monométalliques, un pourcentage de fer et de cuivre de 10 % en poids, respectivement, a été considéré. Pour le solide bimétallique, la teneur en métal était de 5 % en poids de chaque métal. Les catalyseurs ont été caractérisés en utilisant des techniques de spectroscopie d'absorption atomique, de diffraction des rayons X, de physisorption de l'azote et de spectroscopie infrarouge. L'évaluation de l'activité catalytique a montré que les catalyseurs favorisent la formation d'acide γ-hydroxybutyrique (GHB), le système Cu/CeO2 présentant les pourcentages les plus élevés de conversion de l'acide succinique et de rendement en GHB.Ce comportement catalytique pourrait être lié à la plus petite taille des cristallites et à la plus grande surface apparente dans le matériau par rapport aux autres catalyseurs étudiés. De plus, les résultats obtenus en utilisant le matériau bimétallique ont mis en évidence le rôle du fer comme promoteur pour l'obtention de γ-butyrolone (GBLact).

La reacción de hidrogenación del ácido succínico en la fase líquida se estudió utilizando los catalizadores metálicos soportados, Fe/CeO2, Cu/CeO2 y Fe-Cu/CeO2. El soporte de CeO2 se preparó mediante el método de precipitación y los sólidos metálicos soportados mediante la impregnación en seco del soporte. Para los sólidos monometálicos, se consideró un porcentaje de hierro y cobre del 10% en peso, respectivamente. Para el sólido bimetálico, el contenido de metal fue del 5% en peso de cada metal. Los catalizadores se caracterizaron utilizando espectroscopía de absorción atómica, difracción de rayos X, fisisorción de nitrógeno y técnicas de espectroscopía infrarroja. La evaluación de la actividad catalítica mostró que los catalizadores favorecen la formación de ácido γ-hidroxibutírico (GHB), con el sistema Cu/CeO2 presentando los porcentajes más altos de conversión de ácido succínico y rendimiento hacia GHB. Este comportamiento catalítico podría estar relacionado con el tamaño de cristalito más pequeño y la mayor área de superficie evidenciada en el material en comparación con los otros catalizadores estudiados. Además, los resultados obtenidos utilizando el material bimetálico evidenciaron el papel del hierro como promotor para la obtención de γ-butirolactona (GBL).

The hydrogenation reaction of succinic acid in the liquid phase was studied using the supported metal catalysts, Fe/CeO2, Cu/CeO2, and Fe-Cu/CeO2.The CeO2 support was prepared by precipitation method and the supported metal solids by dry impregnation of support.For monometallic solids, a percentage of iron and copper of 10 wt.%, respectively, was considered.For the bimetallic solid, the metal content was 5 wt.% of each metal.The catalysts were characterized using atomic absorption spectroscopy, X-ray diffraction, nitrogen physisorption, and infrared spectroscopy techniques.The evaluation of the catalytic activity showed that the catalysts favor the formation of γ-hydroxybutyric acid (GHB), with the Cu/CeO2 system presenting the highest percentages of conversion of succinic acid and yield towards GHB.This catalytic behavior could be related to the smaller crystallite size and the greater surface area evidenced in the material compared to the other catalysts studied.Furthermore, the results obtained using the bimetallic material evidenced the role of iron as a promoter for obtaining γ-butyrolactone (GBL).

تمت دراسة تفاعل الهدرجة لحمض السكسينيك في الطور السائل باستخدام المحفزات المعدنية المدعومة، Fe/CeO2، Cu/CeO2، و Fe - Cu/CeO2. تم تحضير دعم CeO2 بطريقة الترسيب والمواد الصلبة المعدنية المدعومة عن طريق التشريب الجاف للدعم. بالنسبة للمواد الصلبة أحادية المعدن، تم النظر في نسبة مئوية من الحديد والنحاس بنسبة 10 ٪ على التوالي.بالنسبة للصلب ثنائي المعدن، كان المحتوى المعدني 5 ٪ بالوزن من كل معدن. تم تمييز المحفزات باستخدام التحليل الطيفي للامتصاص الذري، وانحراف الأشعة السينية، والامتصاص النيتروجيني، وتقنيات التحليل الطيفي بالأشعة تحت الحمراء. أظهر تقييم النشاط الحفاز أن المحفزات تفضل تكوين حمض γ - hydroxybutyric (GHB)، مع نظام Cu/CeO2 الذي يقدم أعلى نسب مئوية لتحويل حمض السكسينيك والعائد نحو GHB. يمكن أن يكون هذا السلوك الحفاز مرتبطًا بالبلورات الصغيرة ومساحة السطح الأكبر المثبتة في المادة المحفزات الأخرى التي تمت دراستها. علاوة على ذلك، تم الحصول على النتائج باستخدام المادة ثنائية المعدن التي أثبتت الدور الحديدي للحصول على المعزز للحصول على (GBL).

Country
Croatia
Keywords

Desulfurization Technologies for Fuels, Biomedical Engineering, FOS: Mechanical engineering, Organic chemistry, Cu/CeO2, FOS: Medical engineering, Catalysis, Inorganic Chemistry, Succinic acid, Engineering, Homogeneous Catalysis with Transition Metals, FOS: Chemical sciences, succinic acid, Fe/CeO2, Catalytic, Heterogeneous Catalysts, Mechanical Engineering, Catalytic Conversions, Nuclear chemistry, Chemistry, Catalytic Conversion of Biomass to Fuels and Chemicals, Physical Sciences, Hydrogenation, γ-hydroxybutyric acid, Copper, Inorganic chemistry, Fe-Cu/CeO2

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
3
Top 10%
Average
Average
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