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Electrophoresis device and method for carrying out multi-grade separation and recycling on multi-component substances with different mass-to-charge ratios

An electrophoresis device and mass-to-charge ratio technology, applied in separation methods, chemical instruments and methods, and dispersed particle separation, can solve the problems of inability to achieve continuous separation and recovery, poor reproducibility, etc., achieve continuous separation and preparation, and low cost , highly controllable effect

Inactive Publication Date: 2015-08-19
DALIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

High-efficiency capillary electrophoresis technology is a new analytical technology developed rapidly in recent decades. It has the advantages of high resolution, rapidity, less dosage, and high sensitivity, but its reproducibility is poor and it can only achieve micro-preparation.
The above electrophoresis techniques are all for the purpose of separation and analysis, and cannot achieve the purpose of continuous separation and recovery.

Method used

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  • Electrophoresis device and method for carrying out multi-grade separation and recycling on multi-component substances with different mass-to-charge ratios

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Experimental program
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Effect test

Embodiment 1

[0026] The electrophoresis device box is made of plexiglass, with a size of 20cm×20cm×30cm, and a pair of platinum-ruthenium electrodes are placed, both of which are 17cm×20cm×0.1cm, filled with quartz sand, and the input tube is inserted into the middle of the electrophoresis device. At 2cm, there are 4 circular water outlets below. Under the condition of a voltage of 36 volts, the seawater is separated, and the flow rate of the incoming water is 2L / h. After being separated by the first-stage electrophoresis device, the positive ions in the solution migrate to the negative electrode , the negative ions migrate to the positive electrode, thereby separating the substances initially. The uncharged substances flow down only by gravity, and are collected in the collection tube in the middle of the electrophoresis device, so as to initially separate the ions in the solution. After being separated by the first-stage electrophoresis device, anions are enriched in the outlet solution ...

Embodiment 2

[0028] The electrophoresis device box is made of plexiglass, with a size of 20cm×20cm×30cm, and a pair of platinum-ruthenium electrodes are placed, both of which are 17cm×20cm×0.1cm, filled with quartz sand, and the input tube is inserted into the middle of the electrophoresis device. There are 4 circular water outlets at a distance of 2 cm. Under the condition of a voltage of 36 volts, the multi-component inorganic ion solution is separated. The water flow rate is 2L / h, and the seawater with a pH of 7-8 is subjected to one-stage electrophoresis. After treatment with the secondary electrophoresis device, 4 types of samples can be collected, the pHs are 1 (type 1), 3 (type 2), 6 (type 3), and 13 (type 4), and acid and alkali can be obtained And neutral non-salt water, also can mix the first type and the fourth type to be neutral concentrated brine, and the second type and the third type can be mixed to be neutral fresh water.

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Abstract

The invention provides an electrophoresis device and method for carrying out multi-grade separation and recycling on multi-component substances with different mass-to-charge ratios. The device comprises a feeder, an electrophoresis box body, fillers, electrode plates, a water outlet, a grid and a collection pipe. Negative and positive ions migrate towards the positive and negative electrode plates respectively when the negative and positive ions are subjected to gravity and electric field force and flow downwards under the action of the gravity; more negative ions are enriched in a positive electrode plate region and more positive ions are enriched in a negative electrode plate region; the mass-to-charge ratios of the ions are different and the migration speeds are different; the ions with the relatively great mass-to-charge ratio has a great migration speed, and are enriched nearby the electrode plates; and the ions with the relatively small mass-to-charge ratio has a small migration speed, are enriched far away from the electrode plates and are recycled by using the collection pipe. Primary separation on substances is not sufficient and the collected substances enter the next grade of separation and recycling. The different substances are separated to obtain single-component substances. The electrophoresis device and method are used for separating and recycling the multi-component substances and the substances with the different mass-to-charge ratios, and are used for a continuous water treatment process and large-scale industrial production.

Description

technical field [0001] The invention relates to a device and method for multi-stage separation and recovery of multi-components and substances with different mass-to-charge ratios by using the principle of electrophoresis. Especially for difficult-to-separate substances, multi-stage electrophoresis devices can be set up for separation and recovery according to the concentration, properties and separation effect requirements of the substances to be separated. Background technique [0002] Although there are many ways and methods of electrophoresis, the basic principle is the same. Different substances have different migration directions and migration speeds under a certain electric field due to their different mass-to-charge ratios and particle shapes, so they are separated and recovered. In 1937, the Swedish scientist Tiselius designed the first free electrophoresis instrument, established the mobile interface electrophoresis method, and successfully divided serum proteins ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D57/02
Inventor 周集体徐啸朱晓兵金若菲
Owner DALIAN UNIV OF TECH