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Method and system for desalting and backwashing through electric absorption

An electro-adsorption and salt content technology, applied in the field of water treatment, can solve the problems of high water production rate, unable to guarantee the regeneration effect of the electro-adsorption module, etc., to achieve high water production rate, ensure long-term continuous and stable operation, and ensure the effect of regeneration effect.

Active Publication Date: 2012-05-02
EST WATER & TECH
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Problems solved by technology

[0005] The invention provides a method and system for electro-adsorption desalination and backwashing, which is used to solve the problem that the prior art cannot guarantee both the regeneration effect of the electro-adsorption module and a higher water production rate

Method used

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  • Method and system for desalting and backwashing through electric absorption
  • Method and system for desalting and backwashing through electric absorption
  • Method and system for desalting and backwashing through electric absorption

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Embodiment Construction

[0021] In order to improve the backwashing effect of the electro-adsorption module while ensuring the water production rate, the inventor studied the regeneration process and developed a four-stage backwash process, including concentrated water backwash, reclaimed water backwash, and raw water backwash. There are four sub-processes of washing and raw water pre-draining, and these four sub-processes can also be selected according to actual needs. It can not only ensure good regeneration of the electro-adsorption module, but also achieve a higher water production rate. The present invention will be described in detail below in conjunction with the drawings and embodiments.

[0022] See figure 1 Shown is a flow chart of the electro-adsorption desalination and backwashing method according to an embodiment of the present invention, which includes the following main steps:

[0023] 101. The reclaimed water backwash electric adsorption module recovered in the previous cycle.

[0024] The ...

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Abstract

The invention discloses a method and a system for desalting and backwashing through electric absorption, belonging to the field of water treatment. The invention aims at solving the problem that the prior art can not ensure both the regeneration effect of an electric absorbing module and higher water yield. The method comprises the following steps of: backwashing the electric absorbing module by water recycled in the previous period, re-backwashing the electric absorbing module by raw water, and recycling water obtained by backwashing through the raw water for backwashing in the next period. The system comprises an electric absorbing module to be regenerated, a recycled water tank, a recycled water backwashing unit, a raw water tank, a raw water backwashing unit and a recycling water unit. By increasing the steps and units on the basis of the prior art, the invention realizes both the regeneration effect of the electric absorbing module and the higher water yield.

Description

Technical field [0001] The invention relates to the field of water treatment, in particular to a method and system for electro-absorption desalination and backwashing. Background technique [0002] With the development of economy and society, on the one hand, the demand for water and quality of human beings is getting higher and higher, on the other hand, the scope and degree of water pollution are also increasing. [0003] As a water treatment technology, electrosorption desalination technology is divided into two parts, the work process and the regeneration process. The working process is the adsorption process of the electro-adsorption module. In this process, the effluent of the electro-adsorption module is the produced water of the electro-adsorption desalination system; the regeneration process is the desorption process of the electro-adsorption module, that is, the adsorption on the electro-adsorption module during the work The charged particles are released into the electr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/469
Inventor 郭洪飞陈兆林孙晓明孙晓慰
Owner EST WATER & TECH
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