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Dielectrophoresis flat osmotic membrane element

A technology of dielectrophoresis and permeable membranes, applied in the field of separation, can solve the problems of low processing efficiency and high energy consumption, and achieve the effects of low operating costs, low energy consumption, and reduced electrode production costs

Inactive Publication Date: 2013-12-25
INNER MONGOLIA TIANYI ENVIRONMENTAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this process not only consumes a lot of energy, but also has a very low processing efficiency.

Method used

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  • Dielectrophoresis flat osmotic membrane element
  • Dielectrophoresis flat osmotic membrane element
  • Dielectrophoresis flat osmotic membrane element

Examples

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Embodiment Construction

[0021] The present invention will be described in further detail below through the accompanying drawings and specific examples, but the present invention is not limited to the following embodiments, and any changes or alternatives made on the principle of this example all fall within the scope of the present invention. among.

[0022] A dielectrophoretic flat plate permeable membrane element, such as figure 1 , 2 As shown, it includes a flat frame 1, an electrode 6 and a permeable membrane 4. The flat frame is made of ABS, and electrodes are evenly distributed in the horizontal direction in the flat frame, and the permeable membrane is installed on the front and rear sides of the flat frame by compression molding. The electrodes adopt a cylindrical interdigitated electrode structure. In each pair of electrodes, one electrode uses an insulated electrode, while the other electrode uses a bare electrode of anti-corrosion material to reduce energy consumption and electrode produc...

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Abstract

The invention relates to a dielectrophoresis flat osmotic membrane element, comprising a flat framework, electrodes and osmotic membranes, wherein the flat framework is made of ABS; the flat framework is internally embedded with electrodes that are horizontally distributed at intervals; the front and rear surfaces of the flat framework are provided with osmotic membranes through compression molding; a clean water opening and a wire outlet are formed in the flat framework; the clean water opening is communicated with a water channel inside the flat framework; the wire outlet is connected with the electrodes of the flat framework and used for leading out a wire to be connected with an external power source. By adopting the dielectrophoresis technology and utilizing the principle that dielectric polarization capabilities of solid particles and continuous phases on which the solid particles are suspended are different, the solid particles are pushed away from the electrodes or are adsorbed on the electrodes by the dielectrophoresis force, thus reducing or even eliminating the phenomena of membrane pollution and membrane blockage in the osmotic membrane process, prolonging the service life of the osmotic membrane, enhancing the transmission of the osmotic membrane and intensifying the osmotic membrane process.

Description

technical field [0001] The invention belongs to the field of separation technology, and relates to a filtration and separation process of a multiphase (solid-liquid, solid-gas, liquid-liquid) permeable membrane, in particular to a dielectrophoresis flat permeable membrane element. Background technique [0002] In the past 30 years, permeable membrane separation technology has rapidly developed into a multi-phase (mainly solid-liquid, solid-gas and liquid-liquid, etc.) important process. However, in the osmotic membrane filtration process, the inevitable problem of membrane fouling always exists, and has become a fatal shortcoming in the practical application of this process. Membrane fouling is due to the clogging or shrinking of the membrane pores due to the deposition or reproduction of particles, colloidal particles, solute molecules, or bacteria, viruses, etc. Decrease, reduce the service life of the membrane and other consequences. For example, for ultra / microfiltrat...

Claims

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Application Information

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IPC IPC(8): B01D63/08B01D61/42
Inventor 王冰
Owner INNER MONGOLIA TIANYI ENVIRONMENTAL TECH
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