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Magnetic ion liquid, preparation method of magnetic ion liquid and application of magnetic ion liquid

A magnetic ionic liquid and ionic liquid technology, applied in chemical instruments and methods, only multi-stage series refining process treatment, organic compound/hydride/coordination complex catalyst, etc., can solve the problem of insufficient separation of ionic liquid and oil Thoroughness and other issues, to achieve the effect of easy recovery and recycling, mild reaction conditions, and good extraction effect

Active Publication Date: 2013-06-05
JIANGSU UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The separation of ionic liquid and oil after the reaction of the reported ionic liquid catalytic oxidation desulfurization system is usually not thorough enough, and a magnetic field is used to control the separation of ionic liquid and oil, and the application in this area has not been reported so far.

Method used

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  • Magnetic ion liquid, preparation method of magnetic ion liquid and application of magnetic ion liquid
  • Magnetic ion liquid, preparation method of magnetic ion liquid and application of magnetic ion liquid
  • Magnetic ion liquid, preparation method of magnetic ion liquid and application of magnetic ion liquid

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Embodiment Construction

[0032] Below by example the present invention is given further description.

[0033] Fuel type: (1) The model oil is dibenzothiophene (DBT) dissolved in n-octane to make a model oil with a sulfur content of 500 ppm; (2) The diesel oil is hydrotreated diesel oil with a sulfur content of 150 ppm and (3) FCC gasoline with a sulfur content of 300 ppm.

[0034] Examples 1-9 In the high-pressure reactor, the oil and the magnetic ionic liquid are added in a volume ratio of 5:1, oxygen is introduced into the reactor, and the reaction is performed at a set temperature and pressure. After the reaction, the ionic liquid and the oil are separated by an external magnetic field. , The oil product uses GC-FID to detect the content of sulfur compounds in the oil, and calculates the desulfurization rate. The results are shown in the table below.

[0035]

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PUM

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Abstract

The invention relates to magnetic ion liquid, and particularly relates to the magnetic ion liquid, a preparation method of the magnetic ion liquid and application in reducing sulfur content in fuel oil in a catalytic oxidation mode of the magnetic ion liquid. The magnetic ion liquid is not only used as a catalyst but also used as an extraction agent in the reaction process. The magnetic ion liquid and oil products are immiscible in the reaction process, and the magnetic iron liquid has high catalytic activity, is capable of activating oxygen and separating ionic liquid and the oil products through an applied magnetic field after the reaction finishes, and facilitates recovery of the magnetic ion liquid and recycling of the magnetic ion liquid.

Description

technical field [0001] The invention relates to a magnetic ionic liquid, in particular to the use of a magnetic ionic liquid and a preparation method thereof in catalytic oxidation to reduce the sulfur content in fuel oil, and can separate the ionic liquid and fuel oil by applying an external magnetic field. Background technique [0002] A large amount of SO produced during the combustion of sulfur compounds in fuel oil (gasoline or diesel) x , is one of the main reasons for the formation of acid rain and large-scale environmental pollution, which seriously threatens human health and the ecological balance of the earth. Countries all over the world have increasingly strict requirements on the sulfur content in fuel oil; at present, although the hydrodesulfurization method widely used in industry can effectively remove inorganic sulfur and part of organic sulfur in fuel oil, it does not However, the desulfurization efficiency of thiophene, dibenzothiophene and other thiophen...

Claims

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Application Information

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IPC IPC(8): C07D233/56C07D213/20B01J31/28B01J31/30B01J31/40B01J35/00C10G53/14
CPCY02P20/584
Inventor 朱文帅李华明巢艳红熊君荀苏杭刘建军
Owner JIANGSU UNIV
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