The Role of Alkali Metal Exchanged Phosphomolybdic Acid Catalysts in the Solvent Free Oxidation of Styrene to Benzaldehyde at Room Temperature

Pedada, Jhansi; Friedrich, Holger B.; Singh, Sooboo

doi:10.1007/s10562-018-2352-1

Cited by 12 publications

(2 citation statements)

References 42 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Therefore, the production of benzaldehyde through chemical industrial processes is the main path routes to obtain this type of organic intermediate. At present, the main routes of producing benzaldehyde in the chemical industry include chlorination hydrolysis [4], toluene oxidation [5], benzyl alcohol oxidation [6], styrene oxidation [7], etc. However, these path routes give rise to lots of problems, such as serious pollution, low yield, and difficulty in the catalyst recovery, which do not meet the requirements of green chemistry development.…”

Section: Introductionmentioning

confidence: 99%

Catalytic Hydrogenation Property of Methyl Benzoate to Benzyl Aldehyde over Manganese-Based Catalysts with Appropriate Oxygen Vacancies

Gao,

Liu,

et al. 2023

Catalysts

View full text Add to dashboard Cite

The synthesis of benzaldehyde, a compound widely utilized in food, medicine, and cosmetics, was achieved through a one-step catalytic hydrogenation using the cost-effective raw material, methyl benzoate. This process aligns with the principles of atom economy and green production. Despite the development of numerous high-performance catalysts by scholars, the challenge remains in achieving lower reaction temperatures, ideally below 400 °C. In this study, a series of MnOx/γ-Al2O3 catalysts were meticulously prepared using the precipitation-impregnation method. These catalysts featured supports calcined at various temperatures and distinct manganese active components. Characterization techniques such as X-ray diffraction (XRD), N2 physical adsorption, Fourier transform infrared spectroscopy (FT-IR), X-ray photoelectron spectroscopy (XPS), H2 temperature programmed reduction (H2-TPR), and NH3 temperature-programmed desorption (NH3-TPD) were employed to analyze the structure and surface properties of the catalysts. Notably, the optimized reaction temperature was found to be 360 °C. The catalyst exhibited the most favorable performance when the calcination temperature of the support was 500 °C and the Mn/Al molar ratio reached 0.18. Under these conditions, the catalyst demonstrated the most suitable oxygen vacancy concentration, yielding impressive results: a conversion rate of 87.90% and a benzaldehyde selectivity of 86.1%. These achievements were attained at 360 °C, atmospheric pressure, a hydrogen to methyl benzoate molar ratio of 40:1, and a Gas Hourly Space Velocity (GHSV) of 800 h−1. This research underscores the potential for optimizing catalysts to enhance the efficiency and sustainability of benzaldehyde synthesis.

show abstract

Section: Introductionmentioning

confidence: 99%

Catalytic Hydrogenation Property of Methyl Benzoate to Benzyl Aldehyde over Manganese-Based Catalysts with Appropriate Oxygen Vacancies

Gao,

Liu,

et al. 2023

Catalysts

View full text Add to dashboard Cite

show abstract

“…[1][2][3] Synthesis of BzH through the selective oxidation of styrene (ST) with the aid of a specific catalyst has attracted considerable attention, due to its simplicity and high reactivity. [3][4][5][6][7][8] Nevertheless, typical homogeneous catalysts, such as metal-porphyrin and metal-phthalocyanine, are difficult to separate and re-use. Although heterogeneous catalysts could resolve these problems, they usually require high reaction temperatures (B80-100 1C) to achieve optimal catalytic activity, thus hindering the highly efficient synthesis of BzH.…”

mentioning

confidence: 99%

Electrocatalytic water oxidation enabling the highly selective oxidation of styrene to benzaldehyde

Cheng

et al. 2022

Chem. Commun.

View full text Add to dashboard Cite

show abstract

Tuning Surface Modification of Potasium Boasted Phosphomolybdic Acid Catalysts for Selective Oxidative Esterification of Benzyl alcohol

Pedada¹,

Dasireddy²

2023

Catal Lett

View full text Add to dashboard Cite

The Role of Alkali Metal Exchanged Phosphomolybdic Acid Catalysts in the Solvent Free Oxidation of Styrene to Benzaldehyde at Room Temperature

Cited by 12 publications

References 42 publications

Catalytic Hydrogenation Property of Methyl Benzoate to Benzyl Aldehyde over Manganese-Based Catalysts with Appropriate Oxygen Vacancies

Catalytic Hydrogenation Property of Methyl Benzoate to Benzyl Aldehyde over Manganese-Based Catalysts with Appropriate Oxygen Vacancies

Electrocatalytic water oxidation enabling the highly selective oxidation of styrene to benzaldehyde

Tuning Surface Modification of Potasium Boasted Phosphomolybdic Acid Catalysts for Selective Oxidative Esterification of Benzyl alcohol

Contact Info

Product

Resources

About