Ultrasonic, surface tension and thermoacoustical studies of alkanone + amine mixtures

IF 2.2 4区 化学 Q2 Engineering Chemical Papers Pub Date : 2024-10-05 DOI:10.1007/s11696-024-03716-8
Ranjan Dey, Aditi Prabhune
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Abstract

Thermophysical properties have wide applications in various fields like chemical industries, mass and heat transfer processes, design and engineering calculations of industrial plants and their evaluation in liquid mixtures gives us a better understanding of intermolecular interactions taking place therein. The binary liquid mixtures under the current study comprise a range of alkanones viz. 2-Propanone, 2-Butanone, 2-Pentanone and 2-Heptanone with aromatic amines like Aniline, N-methylaniline and Pyridine at temperatures 293.15 K to 303.15 K which have multifarious industrial applications. In the present investigation, ultrasonic velocity\((u)\) studies have been carried out using five approaches at three temperatures. Furthermore, surface tension\((\sigma )\), acoustical impedance\((z)\) and thermoacoustical parameters along with non-linearity parameters (B/A) have been evaluated. The variations in molecular interactions are well understood through interaction parameters\((\chi )\). The obtained results indicate that the order of interactions is Pyridine < N-methylaniline  < Aniline for a specific alkanone and 2-Propanone > 2-Butanone > 2-Pentanone > 2-Heptanone for a given amine at all three temperatures. The study of thermophysical properties have been elaborated to understand the order of the interactions between various amines and alkanones.

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烷酮+胺混合物的超声波、表面张力和热声研究
热物理性质在化学工业、传质和传热过程、工业设备的设计和工程计算等各个领域都有广泛的应用,而在液体混合物中对其进行评估,可以让我们更好地了解其中发生的分子间相互作用。本次研究的二元液体混合物由一系列烷酮(即 2-丙酮、2-丁酮、2-戊酮和 2-庚酮)与芳香胺(如苯胺、N-甲基苯胺和吡啶)组成,温度为 293.15 K 至 303.15 K,具有多种工业用途。在本研究中,使用五种方法在三种温度下进行了超声波速度((u)\)研究。此外,还对表面张力、声阻抗和热声参数以及非线性参数(B/A)进行了评估。通过相互作用参数((\chi)\)可以很好地理解分子相互作用的变化。所得结果表明,对于特定的烷酮,相互作用的顺序是吡啶< N-甲基苯胺< 苯胺;对于特定的胺,在所有三个温度下,相互作用的顺序是 2-丙酮> 2-丁酮> 2-戊酮> 2-庚酮。通过对热物理性质的研究,可以了解各种胺和烷酮之间相互作用的顺序。
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来源期刊
Chemical Papers
Chemical Papers Chemical Engineering-General Chemical Engineering
CiteScore
3.30
自引率
4.50%
发文量
590
期刊介绍: Chemical Papers is a peer-reviewed, international journal devoted to basic and applied chemical research. It has a broad scope covering the chemical sciences, but favors interdisciplinary research and studies that bring chemistry together with other disciplines.
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