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Multi-cavity electro-adsorption desalination technology and device achieving continuous desalted produced water

A desalination device and electro-adsorption technology are applied in general water supply saving, water/sewage treatment, chemical instruments and methods, etc. It can solve the problems that membrane materials and block materials cannot be used, and achieve wide application and low selectivity. Effect

Active Publication Date: 2016-07-13
中科嘉辞(昆山)环保科技有限公司
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Problems solved by technology

In addition, based on the design idea of ​​the FCDI device, the system cannot use the membrane materials and bulk materials commonly used in the current CDI technology

Method used

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  • Multi-cavity electro-adsorption desalination technology and device achieving continuous desalted produced water
  • Multi-cavity electro-adsorption desalination technology and device achieving continuous desalted produced water
  • Multi-cavity electro-adsorption desalination technology and device achieving continuous desalted produced water

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Embodiment Construction

[0020] The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

[0021] A continuous electro-absorption desalinated water treatment device, including a desalination module and auxiliary accessories 1. Water inlet, 12 water outlet, 9. Support fixed plate, 11 device frame plate. The desalination module consists of 2. anion membrane, 3. cation membrane, 4 ion membrane support grid, 5 rubber fixing frame, 6. ion membrane clamping and fixing plate, 7. fixed partition, 8. electrode material, 10. metal plate The current collector consists of these parts. The feature of the desalination module of the present invention is that a columnar member with ion selective permeability function is assembled between a pair of electrode assemblies. The component is designed to attach 2 anion membranes and 3 cation membranes to one side of a cylindrical ion membrane support grid, and the junction between the membrane and the memb...

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Abstract

The invention provides an electro-adsorption desalination technical method for continuous desalination work and an implementation device.The technical method and device can be used for seawater desalination or heavy metal treatment.Specifically, technical characteristics of electrodialysis multi-cavity and membrane capacitance deionized application ion-exchange membrane are combined.According to the technical method, by means of cooperative operation of the ion-exchange membrane and electrode material electro-adsorption, water in cavities is purified or condensed independently, and continuous desalination on the basis of a single desalination module is achieved.Produced desalted water and enriched saline water can be collected at the same time.Besides, on the basis of the work principle of the method, the device can further improve desalination handling capacity on the basis of electro-adsorption saturation of electrode materials.

Description

Technical field [0001] The invention relates to an electric adsorption desalination technical method capable of continuous desalination work and an implementation device, belonging to the technical field of water treatment desalination. Background technique [0002] The capacitive deionization technology is a water treatment desalination technology based on the theory of electric double layer capacitance. Compared with other desalination technologies, such as reverse osmosis, membrane distillation, electrodialysis, ion exchange, multi-stage flash evaporation, etc., it has the comparative advantages of low energy consumption, no secondary pollution, and long material cycle life. The classic device model consists of a pair of parallel plate electrodes to form the main body, plus water flow guide openings, water flow driving device and external power supply. The electrode is composed of current collector, electrode material, diaphragm, and outer body frame. After a low voltage is ...

Claims

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Application Information

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IPC IPC(8): C02F1/469
CPCC02F1/469C02F2201/46Y02A20/124
Inventor 郑煜铭赵飞苑志华钟鹭斌
Owner 中科嘉辞(昆山)环保科技有限公司
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