Influence of physicochemical properties of seed on template-free ferrierite synthesis and its application in oleic acid isomerization

IF 2 4区化学 Q3 CHEMISTRY, MULTIDISCIPLINARY

Journal of Chemical Sciences Pub Date : 2025-07-18 DOI:10.1007/s12039-025-02387-6

Shrinidhi D Patil, Ananya Mohanty, Mahadev Kudalkar, Prashant S Niphadkar, Kushal D Bhatte, Vijay V Bokade

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Abstract

We have reported an effective, seed-assisted organic structure directing agent (OSDA) free synthesis of ferrierite (FER) zeolites. In the current study, we have observed effects of physicochemical properties of two different seeds over synthesis of FER zeolites. The physicochemical properties of seeds, such as particle size and phase purity impart significantly over crystallization time and overall synthesis duration, costs of process and crystalline nature of FER zeolites. It is noteworthy that particle size of seed mainly affects the kinetics of crystallization for concerned FER zeolites. The synthesized zeolites were well characterized by XRD, FESEM, TEM, Raman spectroscopy, ²⁷Al and ²⁹Si MAS NMR, EDAX and BET surface area analyser to get more insights. We also evaluated, the catalytic activity of synthesized FER zeolites in oleic acid isomerization study to derive branched-chain fatty acids formation and attempted their structure and catalytic activity relationship with respect to purity of phases in seed.

Graphical Abstract

Abstract Image

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种子理化性质对无模板铁素体合成的影响及其在油酸异构化中的应用

我们报道了一种有效的，种子辅助有机结构导向剂（OSDA）无合成铁酸盐（FER）沸石。在本研究中，我们观察了两种不同种子的理化性质对FER分子筛合成的影响。种子的物理化学性质，如粒度和相纯度显著影响结晶时间和整体合成时间、工艺成本和FER沸石的结晶性质。值得注意的是，种子的粒度主要影响分子筛的结晶动力学。通过XRD、FESEM、TEM、拉曼光谱、27Al和29Si MAS NMR、EDAX和BET表面积分析仪对合成的沸石进行了表征。我们还评价了合成的FER沸石在油酸异构化研究中的催化活性，以推导支链脂肪酸的形成，并尝试了它们的结构和催化活性与种子中相纯度的关系。图形抽象

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来源期刊

Journal of Chemical Sciences CHEMISTRY, MULTIDISCIPLINARY-

CiteScore

3.10

自引率

5.90%

发文量

107

审稿时长

1 months

期刊介绍： Journal of Chemical Sciences is a monthly journal published by the Indian Academy of Sciences. It formed part of the original Proceedings of the Indian Academy of Sciences – Part A, started by the Nobel Laureate Prof C V Raman in 1934, that was split in 1978 into three separate journals. It was renamed as Journal of Chemical Sciences in 2004. The journal publishes original research articles and rapid communications, covering all areas of chemical sciences. A significant feature of the journal is its special issues, brought out from time to time, devoted to conference symposia/proceedings in frontier areas of the subject, held not only in India but also in other countries.