Kinetic study on the adsorption of some polycyclic aromatic hydrocarbons using dinitrodiphenyldiquinoline adsorbent

Journal of Chemical Research-s Pub Date : 2023-03-01 DOI:10.1177/17475198231168949

Salah A Al-Trawneh

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引用次数: 1

Abstract

In this study, a dinitrodiphenyldiquinoline derivative is synthesized, purified, and characterized, and its adsorptive ability is examined for the first time. Twelve common polycyclic aromatic hydrocarbons are chosen as potential adsorbates for removal by using dinitrodiphenyldiquinoline as an adsorbent surface. The adsorptive capacity and the efficiency of removal depend on several variables such as adsorbent dose, polycyclic aromatic hydrocarbon initial concentration, pH, and contact time. This paper summarizes the adsorbent parameters and the kinetic models that can optimize and describe the adsorption process used to treat aqueous solutions of polycyclic aromatic hydrocarbons. Experimentally, the optimum adsorbent dose, the initial concentration, and contact time are found to be 0.1 g, 1 ppm, and 60 min, respectively. Mathematical treatment of the adsorption data reveals that the adsorption of all the polycyclic aromatic hydrocarbons by dinitrodiphenyldiquinoline adopted a pseudo second-order adsorption model. As a result, the dinitrodiphenyldiquinoline derivative is found to be a very good adsorbent surface for several hazardous organic pollutants such as polycyclic aromatic hydrocarbons.

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二硝基二苯基二喹啉吸附剂吸附多环芳烃的动力学研究

本研究合成了一种二硝基二苯基二喹啉衍生物，对其进行了纯化和表征，并首次对其吸附性能进行了研究。选择12种常见的多环芳烃作为潜在的吸附剂，采用二硝基二苯基二喹啉作为吸附剂表面进行去除。吸附量和去除率受吸附剂用量、多环芳烃初始浓度、pH值和接触时间等因素的影响。本文综述了可以优化和描述多环芳烃水溶液吸附过程的吸附剂参数和动力学模型。实验发现，吸附剂的最佳剂量为0.1 g，初始浓度为1 ppm，接触时间为60 min。对吸附数据的数学处理表明，二硝基二苯基二喹啉对多环芳烃的吸附均采用伪二级吸附模型。结果表明，二硝基二苯基二喹啉衍生物对多环芳烃等几种有害有机污染物具有很好的吸附性能。

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来源期刊

Journal of Chemical Research-s 化学科学, 有机化学, 有机合成

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审稿时长

1 months

期刊介绍： The Journal of Chemical Research is a peer reviewed journal that publishes full-length review and research papers in all branches of experimental chemistry. The journal fills a niche by also publishing short papers, a format which favours particular types of work, e.g. the scope of new reagents or methodology, and the elucidation of the structure of novel compounds. Though welcome, short papers should not result in fragmentation of publication, they should describe a completed piece of work. The Journal is not intended as a vehicle for preliminary publications. The work must meet all the normal criteria for acceptance as regards scientific standards. Papers that contain extensive biological results or material relating to other areas of science may be diverted to more appropriate specialist journals. Areas of coverage include: Organic Chemistry; Inorganic Chemistry; Materials Chemistry; Crystallography; Computational Chemistry.