Leveraging conventional and natural solvents: physical extraction of 4-hydroxybenzoic acid

IF 2.2 4区化学 Q3 CHEMISTRY, MULTIDISCIPLINARY

Journal of the Iranian Chemical Society Pub Date : 2024-09-24 DOI:10.1007/s13738-024-03099-3

Vishnu P. Yadav, Anil Kumar Chandrakar

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引用次数: 0

Abstract

The demand of 4-hydroxybenzoic acid (4-HBA) has increased due to their promising properties in the various industries such as pharmaceutical, cosmetic, and plastic sectors. Mostly 0.005 to 0.035 mol/liter of 4-HBA was observed in the waste stream or fermentation broth. Hence, this work presents a schematic study of 4-HBA separation from the aqueous phase by physical extraction method using conventional and natural solvents (CANS). The harmless and eco-friendly green solvents such as alsi (flaxseed) oil, castor oil, and conventional solvents such as diethyl carbonate, diethyl succinate, and xylene are employed in the extraction experiments. Several parameters, such as the K_DHBA, %E_HBA, P_HBA, and the D_HBA, were examined. The parameters were examined to evaluate the equilibrium for this physical extraction experiment. The obtained results showed the following trend of K_DHBA and %E_HBA, respectively, diethyl carbonate (0.951, 48.75%) > alsi oil (0.565, 36.12%) > diethyl succinate (0.504, 33.51%) > castor oil (0.457, 31.35%). > xylene (0.283, 22.06%).

Graphical abstract

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利用传统溶剂和天然溶剂：4-羟基苯甲酸的物理萃取

由于 4-羟基苯甲酸（4-HBA）在制药、化妆品和塑料等各行各业中具有广阔的应用前景，因此其需求量不断增加。在废液或发酵液中观察到的 4-HBA 大部分为 0.005 至 0.035 摩尔/升。因此，本研究采用传统和天然溶剂（CANS），通过物理萃取法从水相中分离出 4-HBA 。萃取实验中使用了无害、环保的绿色溶剂，如亚麻籽油、蓖麻油，以及传统溶剂，如碳酸二乙酯、丁二酸二乙酯和二甲苯。对 KDHBA、%EHBA、PHBA 和 DHBA 等参数进行了检测。考察这些参数是为了评估该物理萃取实验的平衡状态。结果表明，KDHBA 和 %EHBA 的趋势分别为：碳酸二乙酯（0.951，48.75%）；阿尔西油（0.565，36.12%）；琥珀酸二乙酯（0.504，33.51%）；蓖麻油（0.457，31.35%）；二甲苯（0.283，22.06%）。

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来源期刊

Journal of the Iranian Chemical Society 化学-化学综合

CiteScore

4.40

自引率

8.30%

发文量

230

审稿时长

5.6 months

期刊介绍： JICS is an international journal covering general fields of chemistry. JICS welcomes high quality original papers in English dealing with experimental, theoretical and applied research related to all branches of chemistry. These include the fields of analytical, inorganic, organic and physical chemistry as well as the chemical biology area. Review articles discussing specific areas of chemistry of current chemical or biological importance are also published. JICS ensures visibility of your research results to a worldwide audience in science. You are kindly invited to submit your manuscript to the Editor-in-Chief or Regional Editor. All contributions in the form of original papers or short communications will be peer reviewed and published free of charge after acceptance.