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Magnetic ionic liquid separation and concentration method

A magnetic ionic liquid and anion technology, applied in the direction of high gradient magnetic separator, etc., can solve the problems of difficult separation and low magnetic susceptibility of magnetic ionic liquid

Inactive Publication Date: 2011-06-15
INST OF PROCESS ENG CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the magnetic susceptibility of magnetic ionic liquids is very low, generally on the order of 10-5emug-1, and it is difficult to separate them by ordinary magnetic separation technology.

Method used

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  • Magnetic ionic liquid separation and concentration method
  • Magnetic ionic liquid separation and concentration method

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Abstract

The invention discloses a magnetic ionic liquid separation and concentration method. The method comprises that the magnetic ionic liquid is introduced into a filler pipe with magnetic medium filler and a strong magnetic field is applied to the exterior of the pipe, so that separation and concentration of the magnetic ionic liquid is realized under the action of the formed high-gradient strong magnetic field; and the method can be used for collection of a magnetic ionic liquid product or reclamation of a magnetic ionic liquid catalyst. The method is simple in process and high in treatment capacity, and saves energy consumption; and the concentration of the magnetic ionic liquid can reach over 90 weight percent.

Description

A kind of magnetic ionic liquid separation concentration method technical field The invention relates to a method for separating and concentrating magnetic ionic liquids, in particular to a high-gradient magnetic separation method for separating magnetic ionic liquids from fluids, which is applicable to fields such as biology, chemical industry, metallurgy, environmental protection and similar magnetic ionic liquid separation requirements . Background technique As a new type of green solvent, ionic liquids have some unique properties: 1) specific functions can be achieved by designing the anions and cations of ionic liquids; 2) almost no vapor pressure, non-volatile, non-flammable, good Thermally stable and easy to recycle; 3) It has good solubility for many organic compounds and metal ions, and can provide a non-aqueous, two-phase system with adjustable polarity. Magnetic ionic liquids are ionic liquids with magnetic functional groups. In addition to having all the phys...

Claims

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Application Information

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IPC IPC(8): B03C1/025
Inventor 张香平姚宏玮董海峰王杰利张锁江
Owner INST OF PROCESS ENG CHINESE ACAD OF SCI
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