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Electroabsorption desalting regeneration system and regeneration method

A regenerative system and electro-adsorption technology, applied in the separation method, dispersed particle separation, etc., to achieve the effect of ensuring long-term continuous and stable operation

Active Publication Date: 2012-08-29
EST WATER & TECH
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Problems solved by technology

[0005] The present invention provides an electro-adsorption desalination regeneration system and regeneration method to solve the problem of poor regeneration effect of the electro-adsorption module in the prior art

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  • Electroabsorption desalting regeneration system and regeneration method
  • Electroabsorption desalting regeneration system and regeneration method
  • Electroabsorption desalting regeneration system and regeneration method

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Embodiment Construction

[0020] In order to improve the regeneration effect of the electro-adsorption module of the electro-adsorption desalination system, after the short-circuit process in the prior art (that is, after the positive and negative electrodes are short-circuited, the positive electrode emits anions, and the negative electrode emits cations, and the positive and negative ions adsorbed in the electro-adsorption process are released into the bulk solution), the invention provides an embodiment of an electro-adsorption desalination regeneration system, see figure 1 shown, which includes:

[0021] The electrosorption module 101 to be regenerated.

[0022] The acid water tank 102 is used for storing acid liquid.

[0023] Pickling and short-circuit regeneration unit 103 is used to pass the acid solution with a certain pH value stored in the acid water tank 102 into the electrosorption module 101, and the hydrogen ions in the acid solution will replace the cations on the electrode surface gro...

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Abstract

The invention discloses an electroadsorption desalting regeneration system and an electroadsorption desalting regeneration method, which relate to the field of sewage treatment and are used for solving the problem of a relative poor regeneration effect of an electroadsorption module in the prior art. The system comprises an electroadsorption module to be regenerated, an acid water tank for storing acid liquor, an acid-washing short connected regeneration unit for washing the electroadsorption module by using the acid liquor in the acid water tank, an acid discharging unit for discharging the acid liquor generated after the washing of the acid-washing short connected regeneration unit, a water tank for storing water, a regeneration washing unit for washing the electroadsorption module by using the water stored in the water tank, and a drainage unit for draining the water generated after the washing of the regeneration washing unit. The method comprises the following steps of: performing acid-washing regeneration; discharging the acid liquor; performing regeneration washing; and draining the water. In the invention, an acid-washing regeneration process is added, so that positive ions on a group of the electroadsorption module can be completely displaced to fulfill the aim of complete regeneration.

Description

technical field [0001] The invention relates to the field of sewage treatment, in particular to an electric adsorption desalination regeneration system and a regeneration method. 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] As a water treatment technology, the electric adsorption desalination technology is divided into three parts in its overall process flow, the working process, the short-circuit static process, and the short-circuit regeneration process. The working process is to make positive and negative charges on the opposite electrode sheets in the module, and use the potential difference between the electrode sheets to absorb anions and cations in the raw water to achieve the purpose of purifying the raw water. At this time, the pH value near the pos...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/469
Inventor 孙晓明杨春陈兆林孙晓慰
Owner EST WATER & TECH
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