高效萃取多环芳烃的深共晶溶剂的构建

IF 4.9 2区化学 Q2 CHEMISTRY, PHYSICAL

Colloids and Surfaces A: Physicochemical and Engineering Aspects Pub Date : 2025-05-14 DOI:10.1016/j.colsurfa.2025.137218

Xiaosi Sun , Peng Cui , Peiwen Wu , Kaihao Mo , Hanyu Zhang , Hao Ren , Haiyan Ji , Wenshuai Zhu , Zhichang Liu

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引用次数: 0

摘要

多环芳烃（PAHs）是一种严重的有机污染物和重要的工业原料，在催化裂化柴油中含量丰富。因此，有必要在温和条件下寻找合适的方法去除催化裂化柴油中的多环芳烃。本研究设计并合成了一系列深共晶溶剂作为多环芳烃萃取剂。四辛基溴化铵（TOAB）与乙二醇（EG）的摩尔比为1:2 （TOAB:2EG）时，对萘（NAP, 55.6% %）和蒽（ANT, 92.3 %）的单次萃取效率较高。正交实验证明，季铵盐的烷基链长对多环芳烃的提取影响最大。PAHs与DESs之间的氢键、p-π和π-π相互作用是其萃取效率高的主要原因。本研究进一步提高了DESs作为多环芳烃萃取剂的萃取效率，拓宽了DESs的应用领域。

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Construction of deep eutectic solvents for high efficiency extraction of polycyclic aromatic hydrocarbons

Polycyclic aromatic hydrocarbons (PAHs) are serious organic pollutions and important industrial raw materials which are abundant in fluid catalytic cracking (FCC) diesel. Therefore, it is necessary to find suitable approach to remove PAHs from FCC diesel under mild condition. In this study, a series of deep eutectic solvents (DESs) were designed and synthesized as PAHs extractants. The tetraoctyl ammonium bromide (TOAB) and ethylene glycol (EG) with the molar ratio of 1:2, TOAB:2EG, exhibited great single extraction efficiency towards naphthalene (NAP, 55.6 %) and anthracene (ANT, 92.3 %). The orthogonal experiment proved the alkyl chain length of quaternary ammonium salt influenced PAHs extraction mostly. The high extraction efficiency was attributed to the hydrogen bonds, p-π and π-π interactions between PAHs and DESs. This work advances the DESs as PAHs extractants with high extraction efficiency and broadens the applications of DESs.

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来源期刊

Colloids and Surfaces A: Physicochemical and Engineering Aspects 化学-物理化学

CiteScore

8.70

自引率

9.60%

发文量

2421

审稿时长

56 days

期刊介绍： Colloids and Surfaces A: Physicochemical and Engineering Aspects is an international journal devoted to the science underlying applications of colloids and interfacial phenomena. The journal aims at publishing high quality research papers featuring new materials or new insights into the role of colloid and interface science in (for example) food, energy, minerals processing, pharmaceuticals or the environment.