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Electro adsorption water treatment module

A water treatment and electro-adsorption technology, applied in ion exchange column/bed method, separation method, dispersed particle separation, etc., can solve the problems of decreased electro-adsorption efficiency, inconsistent electrode plate spacing, limited stirring effect, etc.

Inactive Publication Date: 2012-07-11
BEIJING UNIV OF CHEM TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Currently, the electro-adsorption module is commonly used as a serpentine flow channel, but when the liquid flow rate is not high, the liquid flows in the flow channel very smoothly, and the stirring effect is very limited, so that the adsorption efficiency of ions is not high; at the same time, the distance between the electrode plates The inconsistency also makes the electrosorption efficiency decrease

Method used

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Embodiment

[0026] Module 1, the electrode material is activated carbon, the thickness of the gasket is 2cm, the voltage is 1.2V, 10 electrode plates, there are baffles between the electrode plates, and only the uppermost and the lowermost two electrode plates are connected to the power supply. When the solution with a concentration of 2000μs / cm passes through the module at 0.6L / h, the effluent concentration is 861μs / cm.

[0027] Module 2, the electrode material is activated carbon, the thickness of the gasket is 2cm, the voltage is 1.2V, and 10 electrode plates are connected to the power supply. When the solution with a concentration of 2000μs / cm passes through the module at 0.6L / h, the effluent concentration is 1227μs / cm.

[0028]Module 1 is an electro-adsorption water treatment module made according to the present invention, and module 2 is a comparison module, and the comparison data are in Table 1.

[0029] Table 1

[0030] module

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Abstract

The invention relates to an electro adsorption water treatment module, belonging to the field of waste water treatment. Supports plates (3) are arranged at both ends of the electro adsorption water treatment module, electrode plates (5) and gaskets (4) are arranged between the two support plates (3) in an alternating manner, and the electrode plates (5) comprise electrode slices (8) and collectorplates (7). An insulation film and a baffle plate (9) are arranged between every pair of two electrode plates (5), and the support plates (3) of both ends are compacted to form the electro adsorptionwater treatment module. The uppermost and the downmost electrode plates (5) are respectively connected with an anode and a cathode of a power supply. In the invention, only the uppermost and the downmost electrode plates of the electro adsorption water treatment module are connected with the power supply, and strong electric field can be formed with a relatively large voltage, therefore, the adsorption efficiency is increased, operating voltage and operating current are more balanced, and the adsorption is more stable.

Description

technical field [0001] The present invention relates to a module for the removal of ions in water by electrosorption, which has great potential for both waste water treatment and seawater desalination. Background technique [0002] With the development of society, people pay more and more attention to water resources. Fresh water resources are limited, so it is particularly important to recycle waste water. The main methods for treating wastewater are: ion exchange, electrodialysis, distillation and reverse osmosis. The main feature of the ion exchange method is that the technology is mature, but a large amount of secondary waste liquid such as waste acid and alkali is generated during the regeneration process; the main disadvantage of the electrodialysis method and the reverse osmosis method is that there is membrane poisoning, and the main disadvantage of the distillation method is The characteristic is that the energy consumption is relatively large. [0003] In order ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J47/08C02F1/469
Inventor 曹兵孟庆函张志超
Owner BEIJING UNIV OF CHEM TECH
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