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Method and device for belt-type adsorption separation

An adsorption separation and equipment technology, applied in the field of belt adsorption separation methods and equipment, can solve the problems of continuous whole process, difficult washing and desorption processes, and difficult recovery of adsorbents, and achieves easy recovery, broad application prospects, and easy continuous effect of operation

Inactive Publication Date: 2019-06-07
XIANGTAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a belt-type adsorption separation method and equipment applicable to the direct separation of target substances in complex systems, to solve the difficulties in the recovery of adsorbents in the adsorption separation process, and the difficulty in the entire process of adsorption, washing and desorption processes. Continuous and unable to apply to complex separation systems containing particles and other problems

Method used

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  • Method and device for belt-type adsorption separation
  • Method and device for belt-type adsorption separation

Examples

Experimental program
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Effect test

Embodiment 1

[0021] Take the example of separating bovine serum albumin (a type of biomolecule) in suspension. First, coat a layer of two-component epoxy resin adhesive on a tape-shaped carrier with a length of 200 cm and a width of 5 cm, then evenly coat the agarose gel on the adhesive, and ventilate and dry. Finally, connect the first and last two ends with a needle thread to make it a ring-shaped adsorbent band 8. figure 1 Run on the belt separator shown. The device mainly includes an adsorption tank 1, a desorption tank 6, a washing tank 9, a fixed-position pulley 4 arranged on the top of each tank and an annular adsorbent belt 8 driven by it; the annular adsorbent belt 8 is driven by a motor drive wheel 5 Continuously driven by the pulley 4, it circulates and rotates continuously among the adsorption tank 1, the desorption tank 6 and the washing tank 9, thereby realizing the continuous process of adsorption, desorption and washing.

[0022] Utilize above-mentioned belt type adsorpti...

Embodiment 2

[0027] Take the treatment of heavy metal ions (a type of metal ion) in wastewater as an example. In this experiment, the more typical toxic heavy metal ion divalent nickel was used as the removal object, and a film with a length of 200 cm and a width of 5 cm coated with a thin layer of activated carbon was used as the adsorbent belt to prepare Ni 2+ Concentration is the solution 300ml of 40ppm, as raw material liquid, adds the sludge in the pond in a small amount to raw material liquid, is standby as the raw material liquid to be separated.

[0028] The specific operation is: add 300ml of the prepared divalent nickel ion raw material solution into the adsorption tank 1, adjust the electric drive wheel 5 to control the annular adsorbent belt 8 to run at the speed of 2r / min to the top of the adsorption tank 1 and the adsorption tank 1 The liquid surface of the middle feed liquid just touches for adsorption. Ni 2+ Captured by the continuously rotating adsorbent belt 8 and taken...

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Abstract

The invention relates to a method and device for belt-type adsorption separation. The belt-type adsorption separation is carried out on the belt-type adsorption separation device, and the device comprises an adsorption trough, a desorption trough, a washing trough and an adsorbent belt, wherein the adsorption trough, the desorption trough and the washing trough are connected sequentially by the adsorbent belt through pulleys and a motor drive wheel, the adsorption trough is filled with a solution containing particles and a to-be-separated substance, and the desorption trough is filled with a desorption liquid; and the washing trough is filled with a washing liquid. Under continuous stirring, the to-be-separated substance in the solution in the adsorption trough is captured by the adsorbentbelt, and is separated from the mother liquid, and then a belt-type adsorbent which performs circular rotation under the drive of a motor continuously passes through the desorption trough and the washing trough so as to complete desorption and washing; and the adsorbent is regenerated and recycled for adsorption. Compared with particle adsorption separation, the belt-type adsorption separation has the advantages of the adsorbent with easy recovery, direct application to a complex solution system containing particles, no residues of the adsorbent and the like, and the method and device have broad application prospects in biochemical separation, wastewater treatment and other fields.

Description

technical field [0001] The invention relates to an adsorption separation method, in particular to a belt type adsorption separation method and equipment. Background technique [0002] Adsorption separation technology generally includes the preparation of adsorbents, the use of adsorbents for the adsorption of solutes, the removal of adsorbents from the separation system and the recycling of adsorbents after desorption. Due to the advantages of low cost, simple process and high separation efficiency, this technology has been widely used in biological separation, metal separation, separation of various other substances and wastewater treatment. Although this technology has made great progress in various separation processes, there are still some problems as follows: First, it is difficult to separate and recover the adsorbent. At present, the commonly used methods are centrifugation, filtration or column packing, and there is energy consumption in centrifugation or filtration....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D15/02
Inventor 李文松黄玲王倩郑傲梅
Owner XIANGTAN UNIV
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