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Electroosmosis device for industrial wastewater treatment

A technology for industrial wastewater and electrodialysis, which is used in electrodialysis, water/sewage treatment, water/sludge/sewage treatment, etc. It can solve the problem of not being able to recover cations alone, and achieve the effect of fast production rate and good purification effect.

Pending Publication Date: 2018-08-28
湖北迪曼特科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This patent can only recover anionic sulfate ions, but cannot recover cations separately

Method used

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  • Electroosmosis device for industrial wastewater treatment
  • Electroosmosis device for industrial wastewater treatment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Such as figure 1 As shown, the embodiment of the present invention provides an electrodialysis device for industrial wastewater treatment, including a cathode plate 1, an anode plate 2, a stack 3, and a liquid inlet 4 and a liquid outlet that are all arranged on the stack 3 5; the cathode 1 is arranged opposite to the anode 2; the stack 3 is arranged between the cathode plate 1 and the anode plate 2, and the stack 3 includes a first anion exchange membrane 32 arranged in sequence, for An ion barrier conductive separator 31 and a second anion exchange membrane 33 for isolating anions and cations; between the cathode plate 1 and the anode plate 2, an anode chamber 37, a cathode chamber, an anode chamber and a cathode chamber are sequentially separated; the anode chamber The liquid inlet part 4 and the liquid outlet part 5 are respectively provided above and below the cathode chamber. The liquid introduction part 4 includes an anode chamber introduction part 42 and a cath...

Embodiment 2

[0025] as attached figure 2 As shown, the embodiment of the present invention provides an electrodialysis device for industrial wastewater treatment, a kind of electrodialysis device for industrial wastewater treatment, which is characterized in that it includes a cathode plate 1, an anode plate 2, a stack 3, and a uniform The liquid inlet part 4 and the liquid outlet part 5 arranged on the stack 3; the cathode 1 is arranged opposite to the anode 2; the stack 3 is arranged between the cathode plate 1 and the anode plate 2, and the The stack 3 includes a first cation exchange membrane 34 arranged in sequence, an ion barrier conductive separator 31 for isolating anions and cations, and a second cation exchange membrane 35; the cathode plate 1 to the anode plate 2 are sequentially separated into an anode Chamber 37, cathode chamber 36, anode chamber 37 and cathode chamber 36, above and below the anode chamber and cathode chamber are respectively provided with a liquid inlet 4 an...

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PUM

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Abstract

The invention provides an electroosmosis device for industrial wastewater treatment. The device comprises a negative plate, a positive plate, a stack, and a liquid lead-in part and a liquid lead-out part arranged on the stack, wherein the stack is arranged between the negative plate and the positive plate, and comprises a first anion exchange membrane, an ion shielding conducting baffle used for isolating anion from cation, and a second anion exchange membrane which are arranged in sequence; or the stack comprises a first cation exchange membrane, an ion shielding conducting baffle used for isolating anion from cation, and a second cation exchange membrane which are arranged in sequence. The device adopts field stress as driving force during a separation process, and adopts the permselectivity of the anion exchange membranes and the characteristic that the ion shielding conducting baffle prevent anion and cation from being mixed to separate useful components in wastewater, can separately obtain anion to be recycled and cation to be recycled which are completely not mixed at the same time, achieves the purposes of wastewater purification and recycling and zero discharge, is good inseparation and purification effect, and good in production rate.

Description

technical field [0001] The invention relates to an electrodialysis device, in particular to an electrodialysis device for industrial waste water treatment. Background technique [0002] Electrodialysis technology has a history of more than 50 years since it came out in the 1950s. At present, electrodialysis technology has been used in seawater desalination, brackish water desalination and some industrial water purification, and large-scale devices have been put into productive operation. Concentrated salt production, refined dairy products, fruit juice deacidification, refining and purification, production of chemical products, etc., also used in food, light industry and other industries to produce pure water, electronics, medicine and other industries to produce high-purity water pretreatment, boiler feed water The primary softening and desalination of brackish water into potable water. [0003] Reference document 1: the application number is "CN95112245.2", and the name ...

Claims

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Application Information

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IPC IPC(8): B01D61/46C02F1/469
CPCB01D61/422B01D61/46C02F1/4693
Inventor 赵斌陈垒荣胡滨
Owner 湖北迪曼特科技有限公司