Portable type sterilization and water purification device of silver nano-wires

A technology of silver nanowires and water purification devices, which is applied in the direction of sterilization/microdynamic water/sewage treatment, etc., can solve the problems of excessive bacterial indicators in the effluent, contamination and blockage of membrane pores, toxic and side effects, etc., and achieves fast sterilization speed and healthy environment. Harmless, small size effect

Inactive Publication Date: 2012-07-04
SOUTH CHINA UNIV OF TECH
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  • Abstract
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Problems solved by technology

After activated carbon is used for a period of time, it will breed bacteria, causing the bacteria index in the effluent to exceed the standard; the filter membrane has membrane pores smaller than the size of bacteria (such as the pore size of ceramic membrane is 1 micron), which is mainly for the physical interception of bacterial micelles. The pump provides a large filtration pressure to make the water flow through the membrane pores, and after long-term use, there will be pollution and blockage of the membrane pores; if iodine resin is used for sterilization, it will cause peculiar smell and other toxic side effects in the effluent

Method used

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  • Portable type sterilization and water purification device of silver nano-wires
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  • Portable type sterilization and water purification device of silver nano-wires

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Embodiment

[0024] The structure of this device is as figure 1 shown. The silver nanowire water purification and sterilization device is mainly divided into three subsystems: the water body pretreatment unit, the silver nanowire electric field sterilization unit, and the power supply unit. The three major units are described in detail below.

[0025] 1. Water pretreatment unit

[0026] This device is used to purify and sterilize drinking water in some rural areas and fields. Because the water quality of natural water bodies is difficult to distinguish, there will be particulate matter, organic matter, heavy metals and other pollutants in addition to bacteria, and may also appear turbid, colored, or even stained in appearance. smell. Therefore, before entering the silver nanowire carbon cloth electric field sterilization system, pretreatment should be done to remove the above pollutants in the water.

[0027] Drawing lessons from the water purification system design of household water p...

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Abstract

The invention discloses a portable type sterilization and water purification device of silver nano-wires. The portable type sterilization and water purification device has the advantages of high sterilization efficiency, low cost and stable sterilization effect. The portable type sterilization and water purification device provided by the invention comprises a silver nano-wire electric field sterilization unit and a power supply unit which are connected with each other; a cathode structure of the silver nano-wire electric field sterilization unit is a conductive carrier loaded with the silver nano-wires and an anode structure of the silver nano-wire electric field sterilization unit is a stainless steel net.

Description

technical field [0001] The invention relates to a sterilizing water purification device based on silver nanowires. Background technique [0002] The existing tap water supply uses centralized disinfection. It mainly includes chlorine disinfection, chlorine dioxide disinfection, chloramine disinfection, ozone disinfection and ultraviolet disinfection. Due to the limitation of economic conditions, most of the disinfection methods currently used in rural areas in my country are chlorine disinfection and chlorine dioxide disinfection, which inactivate bacteria in water bodies through the strong oxidizing property of chlorine itself. [0003] At present, in our country, it is not yet possible to guarantee centralized water supply in all areas. In some rural areas and in the wild where tap water cannot be supplied, water is generally taken from rivers, lakes or self-provided wells. There is no guarantee of disinfection, and bacteria and viruses are especially likely to exceed th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/467
Inventor 胡勇有秦彦哲杨扬
Owner SOUTH CHINA UNIV OF TECH
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