Mono Lacunary Phosphotungstate Loaded Zeolite HY For the Esterification of Levulinic and Succinic Acid Into Fuel Additives

IF 2.3 4区化学 Q3 CHEMISTRY, PHYSICAL

Catalysis Letters Pub Date : 2024-07-24 DOI:10.1007/s10562-024-04781-0

Anjali Patel, Margi Joshi

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Abstract

The legal obligation to swiftly adopt renewable energies has been increased because of the continuous usage of fossil fuels. In this perspective, biomass serves as a pillar to improve the current conditions over different heterogeneous catalysts due to their known advantages. This work is focused on the synthesis of a novel catalyst comprising mono lacunary phosphotungstate and zeolite HY. The catalyst was characterized by number of physicochemical techniques and evaluation of the activity of catalyst for the esterification of most promising bio platforms, levulinic acid and succinic acid to produce fuel additives. After a detailed optimization of both reactions, remarkable conversions of levulinic acid (77%) and succinic acid (96%) with turnover numbers of 2749 and 3427 respectively, were obtained. The order of the reaction and activation energy for the said reactions were calculated in the kinetic study. The sustainable nature of the catalyst was confirmed via regeneration and viability towards other bio-based molecules which enhances its industrial importance.

Graphical Abstract

Abstract Image

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用于将左旋肉桂酸和丁二酸酯化成燃料添加剂的单漆基磷钨酸盐负载沸石 HY

由于化石燃料的持续使用，迅速采用可再生能源的法律义务已经增加。从这个角度来看，生物质因其已知的优势，成为改善目前不同异相催化剂条件的支柱。这项工作的重点是合成一种新型催化剂，由一元磷钨酸和沸石 HY 组成。该催化剂采用多种物理化学技术进行表征，并评估了催化剂在酯化最有前景的生物平台--乙酰丙酸和琥珀酸以生产燃料添加剂时的活性。经过对这两种反应的详细优化，得到了显著的左旋乙烯酸（77%）和琥珀酸（96%）转化率，转化率分别为 2749 和 3427。动力学研究计算了上述反应的反应顺序和活化能。催化剂的可持续性质通过再生和对其他生物基分子的可行性得到了证实，从而提高了其工业重要性。

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来源期刊

Catalysis Letters 化学-物理化学

CiteScore

5.70

自引率

3.60%

发文量

327

审稿时长

1 months

期刊介绍： Catalysis Letters aim is the rapid publication of outstanding and high-impact original research articles in catalysis. The scope of the journal covers a broad range of topics in all fields of both applied and theoretical catalysis, including heterogeneous, homogeneous and biocatalysis. The high-quality original research articles published in Catalysis Letters are subject to rigorous peer review. Accepted papers are published online first and subsequently in print issues. All contributions must include a graphical abstract. Manuscripts should be written in English and the responsibility lies with the authors to ensure that they are grammatically and linguistically correct. Authors for whom English is not the working language are encouraged to consider using a professional language-editing service before submitting their manuscripts.