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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: 2011-04-13
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 inventors studied the regeneration process and developed a four-stage backwashing process, including concentrated water backwashing, reclaimed water backwashing, and raw water backwashing. Washing and pre-draining of raw water are four sub-processes, and these four sub-processes can also be selected according to actual needs. It can not only ensure the good regeneration of the electro-adsorption module, but also achieve a high water production rate. The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0022] see figure 1 As shown, it is a flow chart of the electro-adsorption desalination and backwashing method of the embodiment of the present invention, including the following main steps:

[0023] 101. The reclaimed water backwash electro-adsorption module recovered in the previous...

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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-adsorption desalination and backwashing. Background technique [0002] With the development of economy and society, on the one hand, the demand for water and the quality of human beings are getting higher and higher, on the other hand, the scope and degree of water pollution are also increasing. [0003] Electro-adsorption desalination technology is a water treatment technology, and its overall technological process is divided into two parts, the working process and the regeneration process. The working process is the adsorption process of the electro-adsorption module. In this process, the effluent water of the electro-adsorption module is the water produced by the electro-adsorption desalination system; the regeneration process is the desorption process of the electro-adsorption module, that is, the adsorption process on the electro-adsorption modu...

Claims

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Application Information

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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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