含 N,N-二甲基乙酰胺与 1,3,5-三甲基苯或 2-丙醇或二甲基亚砜的二元混合物的等温汽液平衡

IF 2 3区工程技术 Q3 CHEMISTRY, MULTIDISCIPLINARY

Journal of Chemical & Engineering Data Pub Date : 2024-10-05 DOI:10.1021/acs.jced.4c0033710.1021/acs.jced.4c00337

Djazia Belhadj, Joseph Saab, Ilham Mokbel, Jacques Jose, Amina Negadi, Indra Bahadur*, Mostafizur Rahaman and Latifa Negadi*,

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引用次数: 0

摘要

在 273.15-363.15 K 的温度范围内，使用静态仪器测量了二元混合物 {N,N-二甲基乙酰胺 + 1,3,5-三甲基苯、 + 丙-2-醇或 + 二甲基亚砜 (DMSO)} 及其纯组分的蒸气压。对几个恒定温度下的过量吉布斯函数 GE 进行了评估，并将其与 Redlich-Kister 公式进行了拟合。在整个成分范围内的所有研究温度下，{N,N-二甲基乙酰胺 + 1,3,5-三甲基苯或 + 二甲基亚砜}二元体系的过剩吉布斯函数 GE 均为正偏差，而（N,N-二甲基乙酰胺 + 丙-2-醇）二元体系在整个成分范围内的所有研究温度下的过剩吉布斯函数 GE 均为负偏差。此外，还使用了 NRTL 和 UNIQUAC 模型来关联或预测总压。

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Isothermal Vapor–Liquid Equilibria of Binary Mixtures Containing N,N-Dimethylacetamide with 1,3,5-Trimethylbenzene or Propan-2-ol or Dimethyl Sulfoxide

The vapor pressures of the binary mixtures {N,N-dimethylacetamide + 1,3,5-trimethylbenzene, + propan-2-ol, or + dimethyl sulfoxide (DMSO)} and their pure components were measured using a static apparatus in the temperature range of 273.15–363.15 K. Semiempirical correlations as described by the Antoine equation were used to correlate the obtained results. The excess Gibbs function G^E was evaluated for several constant temperatures and fitted to the Redlich–Kister equation. Positive deviations in G^E are shown by the binary systems {N,N-dimethylacetamide + 1,3,5-trimethylbenzene, or + DMSO} in all investigated temperatures over the whole composition range, where a negative deviation in G^E in all temperatures studied over the whole composition range is observed for the (N,N-dimethylacetamide + propan-2-ol) binary system. Additionally, NRTL and UNIQUAC models were used for the correlation or prediction of the total pressure.

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来源期刊

Journal of Chemical & Engineering Data 工程技术-工程：化工

CiteScore

5.20

自引率

19.20%

发文量

324

审稿时长

2.2 months

期刊介绍： The Journal of Chemical & Engineering Data is a monthly journal devoted to the publication of data obtained from both experiment and computation, which are viewed as complementary. It is the only American Chemical Society journal primarily concerned with articles containing data on the phase behavior and the physical, thermodynamic, and transport properties of well-defined materials, including complex mixtures of known compositions. While environmental and biological samples are of interest, their compositions must be known and reproducible. As a result, adsorption on natural product materials does not generally fit within the scope of Journal of Chemical & Engineering Data.