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Cooperative drinking water purifying method and equipment combining active carbon fiber and electrodynamic process

A technology of activated carbon fiber and drinking water device, which is applied in the fields of magnetic field/electric field water/sewage treatment, energy wastewater treatment, adsorption water/sewage treatment, etc. It can solve the problems of large hidden dangers of sterilant leakage, waste, iodine ion leakage, etc. , to achieve the effect of inactivation, improving the adsorption rate and adsorption effect

Inactive Publication Date: 2003-03-19
TSINGHUA UNIV
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Problems solved by technology

[0004] Due to the low concentration of organic pollutants in water, the adsorption rate of activated carbon fibers will decrease, and the residence time of water in household drinking water purifiers is very short, which is not conducive to the adsorption of activated carbon fibers.
In addition, the concentration of organic pollutants in water is very low, which will cause the corresponding adsorption amount of activated carbon fiber to reach the adsorption equilibrium point to be very small. Often, activated carbon fiber only exerts 10%-20% of its adsorption capacity and loses its adsorption capacity, so it is necessary to replace the activated carbon. fiber, causing great waste
[0005] Using activated carbon fiber to adsorb bacteria in water, the bacteria are not killed, but attached to the surface of the activated carbon fiber, and the bacteria can use the organic matter adsorbed on the activated carbon fiber to reproduce in large numbers. Once the bacteria form a biofilm on the surface of the activated carbon fiber, it will be very Difficult to kill, and very prone to bacterial leakage, endangering people's health
The use of silver-loaded activated carbon fibers or iodine-loaded activated carbon fibers can inhibit bacteria, but silver ions and iodine ions on silver-loaded activated carbon fibers and iodine-loaded activated carbon fibers are prone to leakage. Silver ions are heavy metal ions that are very harmful to the human body, while iodine ions It is an essential element for the human body, but if it is excessive, it will also cause great harm to the human body
The method of adding sterilant will lead to a greater hidden danger of sterilant leakage, and it is not advisable

Method used

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  • Cooperative drinking water purifying method and equipment combining active carbon fiber and electrodynamic process
  • Cooperative drinking water purifying method and equipment combining active carbon fiber and electrodynamic process
  • Cooperative drinking water purifying method and equipment combining active carbon fiber and electrodynamic process

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Embodiment Construction

[0023] The working mechanism and specific implementation methods of the present invention will be further described below in conjunction with the accompanying drawings.

[0024] Particles in water move like attached before and after applying electric field Figure 1a with 1b shown, with Figure 1a is a schematic diagram of particle movement under the action of a single flow field, with Figure 1b It is a schematic diagram of the movement of particles under the joint action of electric field and flow field. It can be seen from the figure that the presence of an electric field is more conducive to the adsorption of bacteria and particles in water, and the bacteria adsorbed on the surface of the fiber will be directly affected by the current passing through the surface of the activated carbon fiber, and the current can destroy the cell membrane of the bacteria The structure thus serves the purpose of sterilization, effectively inhibits the growth of bacteria adsorbed on the surf...

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Abstract

The present invention relates to the method and equipment for purifying drinking water. Electric field is applied to active carbon fiber filtering material, so that current will flow directly through active carbon fiber filtering material while water to be purified flows through the active carbon fiber filtering material, and under water is thus purified under the action of both electric field and flow field. Owing to the collision between pollutant and bacteria with active carbon fiber and direct current action on bacteria to destroy the cell membrane structure, the said method of the present invention can inhibit the growth of the bacteria and kill bacteria without throwing antiseptic.

Description

technical field [0001] The invention relates to a drinking water purification method and device, in particular to a method and equipment for synergistically purifying drinking water using activated carbon fiber and electrokinetics. Background technique [0002] Activated Carbon Fiber (ACF) is a new type of high-efficiency adsorption material developed after powdery and granular activated carbon. It has the characteristics of good formability, acid and alkali resistance, strong electrical conductivity and good chemical stability. According to different raw materials, it can be divided into cellulose-based, phenolic-based, polyacrylonitrile-based, asphalt-based, etc., and can be processed into various shapes, such as felt, yarn, honeycomb, and fiber bundles. The specific surface area of ​​activated carbon fiber is large, the typical value is 1000-2000m 2 / g, the pore structure is dominated by micropores, which are directly distributed on the surface of the fiber. During the a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/28C02F1/48
CPCY02W10/37
Inventor 张锡辉朱帅罗启仕
Owner TSINGHUA UNIV
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