Third-class porous ionic liquid based on UiO-66 as well as preparation method and application of third-class porous ionic liquid

An ionic liquid, uio-66 technology, used in the refining of hydrocarbon oil, processing hydrocarbon oil, petroleum industry, etc., can solve the problems of poor cycle performance, poor mass transfer performance, difficult separation, etc., to achieve mild reaction conditions and improve the reaction. Active, speed and efficiency-boosting effects

Active Publication Date: 2022-05-27
JIANGSU UNIV
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Problems solved by technology

However, these solid materials have the disadvantages of easy agglomeration, poor mass transfer performance, poor cycle performance and difficult separation.
[0003] Porous ionic liquids are a new class of porous materials. In liquid phase reactions, ionic liquids can desorb reagents and products from active sites, thereby promoting the turnover of active sites, and effectively solving the shortcomings of porous solid materials; among them The third type of porous ionic liquid is a kind of porous ionic liquid, which is obtained by dispersing a solid material containing micropores in a sterically hindered solvent containing anions and cations, which has both the catalytic oxidation ability of MOF materials and the extraction performance of ionic liquids , there are literatures showing that this material can be used to study gas absorption, separation and storage, etc., but its application in the field of desulfurization is rarely reported

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  • Third-class porous ionic liquid based on UiO-66 as well as preparation method and application of third-class porous ionic liquid
  • Third-class porous ionic liquid based on UiO-66 as well as preparation method and application of third-class porous ionic liquid
  • Third-class porous ionic liquid based on UiO-66 as well as preparation method and application of third-class porous ionic liquid

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Embodiment Construction

[0027] In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the following will be described clearly and completely in combination with the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, and Not all examples.

[0028] like Figure 1 to Figure 3 As shown, the present invention provides a third type of porous ionic liquid based on UiO-66, and the porous ionic liquid is specifically UiO-66-[Omim][NTF 2 ] liquid, and its preparation method specifically comprises the steps:

[0029] (1) Synthesis of an oxidative porous metal-organic framework, namely UiO-66, specifically;

[0030] Zirconium(IV) chloride (1.8 mmol) and 1,4-phthalic acid (1.8 mmol) were dissolved in a beaker filled with anhydrous N,N dimethylformamide (72 mL), sonicated to form a homogeneous mixed solution, Glacial acetic acid (5.1 mL) was add...

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Abstract

The invention relates to a UiO-66-based third-class porous ionic liquid, which is prepared from a metal organic framework (UiO-66) and an ionic liquid ([Omim] [NTF2]) as raw materials, the preparation process is simple and environment-friendly, and the porous ionic liquid has better oxidation removal effect and conversion effect on thiophene sulfides in oil products, especially dibenzothiophene (DBT), and has better oxidation removal effect and conversion effect on thiophene sulfides in oil products. In the oxidative desulfurization process of diesel oil, deep desulfurization can be realized after a very small amount of hydrogen peroxide (H2O2, 30%) is added.

Description

technical field [0001] The invention relates to the technical field of fuel oil desulfurization, in particular to a third type of porous ionic liquid based on UiO-66 and a preparation method and application thereof. Background technique [0002] Porous material is a material with a network structure composed of interconnected or closed pores, which mainly includes porous solid materials and porous ionic liquids; the porous solid materials include porous carbon materials, metal-organic frameworks (MOFs), and porous silica materials. and zeolite etc. However, these solid materials all have the disadvantages of easy agglomeration, poor mass transfer performance, poor cycle performance and difficult separation. [0003] Porous ionic liquids are a new class of porous materials. In liquid-phase reactions, ionic liquids can desorb reagents and products from active sites, thereby promoting the turnover of active sites and effectively solving the shortcomings of porous solid materia...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G83/00C10G21/20C10G27/00
CPCC08G83/008C10G27/00C10G21/20C10G2300/202
Inventor 李宏平付文娣张金瑞蒋伟朱文帅李华明
Owner JIANGSU UNIV
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