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Nanometer water purifying material for removing virus and bacteria, its preparation method and uses

A nanotechnology, water purification technology, applied in chemical instruments and methods, water/sewage treatment, adsorbed water/sewage treatment, etc., can solve the problems of long residence time, difficult regeneration, fine particles, etc., to achieve simple regeneration, low cost, Simple preparation method

Inactive Publication Date: 2005-11-02
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These water treatment technologies have been able to achieve a high level of water purification, but they have many shortcomings: low efficiency, high cost, difficult regeneration, secondary pollution, etc., even nano-TiO with good application prospects 2 Photocatalytic degradation technology, although the cleanliness is high and pollution-free, but this technology requires the treatment water to stay in the catalytic oxidation reaction generator for a long time, more than 1h can have a good effect. At the same time, nano-TiO 2 Fine particles, inconvenient to recycle

Method used

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  • Nanometer water purifying material for removing virus and bacteria, its preparation method and uses
  • Nanometer water purifying material for removing virus and bacteria, its preparation method and uses
  • Nanometer water purifying material for removing virus and bacteria, its preparation method and uses

Examples

Experimental program
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Effect test

Embodiment 1

[0040] Take 1.8g of C-glass (also known as medium-alkali) fiber and mix it evenly in 200ml of distilled water, add 20ml of 1.5g / l boric acid, then heat to 40°C, add 1.6g of aluminum powder with a particle size of 15nm, and then Place it in an ultrasonic bath and vibrate ultrasonically at 55°C for 25min, then add 35ml of 12g / l tetrahexylorthosilicate alcohol solution to the mixture and continue ultrasonically vibrating for 55min, then take it out and cool it at room temperature; put 1.5g microcrystalline cellulose in Soak and homogenize in 200ml of distilled water for 1 hour, then add 50ml of 5.5g / l polyvinyl alcohol solution; filter the two mixtures prepared above, and dry the filter material in a drying oven at 90°C for 1.5 hours to obtain 9.1g nanometer water purification material of the present invention, it is made up of: the oxidation-hydroxide phase of aluminum: 50.8%, glass fiber: 19.8%, cellulose: 16.5%, wherein the particle diameter of oxidation-aluminum hydroxide is 2...

Embodiment 2

[0042] Mix 1.6g of D-glass fiber in 220ml of distilled water evenly, add 80ml of 0.8g / l sodium salicylate, then heat to 50°C, add 0.8g of aluminum powder (particle size is 15nm), and then place it in an ultrasonic tank Ultrasonic oscillation at 65°C for 0.5h, then add 40ml of 5g / l tetrahexyl orthosilicate alcohol solution to the mixture and continue ultrasonic oscillation for 50min, then take it out and cool it at room temperature; dissolve 1.2g of methylcellulose in 220ml of distilled water, Soak and homogenize for 3 hours, then add 50ml of 1.5g / l polyvinyl alcohol solution and mix evenly; filter the two mixtures prepared above, and dry the filter material in a drying oven at 110°C for 4 hours to obtain 6.5g of this product The nano water purification material invented consists of aluminum oxide-hydroxide phase: 35.6%, glass fiber: 24.6%, cellulose: 18.5%, wherein the particle size of oxide-hydroxide aluminum is 20 nanometers, and the specific surface area is 735 m2 / g.

Embodiment 3

[0044] Take 1.6g of E-glass fiber in 200ml of distilled water and mix evenly, add 25ml of 4g / l sodium salicylate, then heat to 80°C, add 1.0g of aluminum powder (particle size is 20nm), and then place it in an ultrasonic tank Ultrasonic oscillation at 40°C for 2h, then add 15ml of 15g / l tetrahexyl orthosilicate alcohol solution to the mixture and continue ultrasonic oscillation for 30min, take it out, and cool it at room temperature; soak 1.2g of activated carbon fiber in 200ml of distilled water, and After 60 minutes, add 40ml of 5g / l polyvinyl alcohol solution and mix evenly; filter the two mixed solutions prepared above, and dry the filter material in a drying oven at a temperature of 50°C for 5h to obtain 5.g2g of the nano The water purification material is composed of: aluminum oxide-hydroxide phase: 48.8%, glass fiber: 27%, activated carbon fiber: 20.3%, wherein the particle size of oxide-hydroxide aluminum is 25 nanometers, and the specific surface area is 690 square met...

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Abstract

The present invention relates to the field of water purification, in particular a series of macromolecular nano water purification material and process for preparing the material, wherein macromolecular material is used as bulking agent and nano material is used as filtering member for effective processing to the bacteria and viruses in the water, the predominating constituent of the material being oxidization - oxyhydrogen phase of aluminium, 35-65%, as well as fiber glass 15-35%, cellulose 15-30%, wherein the grain diameter of alumina - aluminium hydroxide is 20-80 nanometer, the specific surface area is 200-750 square meter per gram.

Description

technical field [0001] The invention belongs to the field of water purification, and in particular relates to a series of nanometer water purification materials which can completely remove bacteria and viruses in sewage by using polymer materials as fillers and nanometer materials as filters, and a preparation method of nanometer water purification materials . technical background [0002] While the economy is developing rapidly and living standards have been significantly improved, the problem of environmental pollution has become increasingly prominent, and the pollution of the water environment has become increasingly serious. In addition to industrial wastewater, the pollution sources that cause water quality deterioration, domestic sewage produced in daily life is also one of the main and large sources of pollution. The pollution of water sources has led to a significant increase in toxic and harmful substances in drinking water, especially the increasing number of pat...

Claims

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Application Information

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IPC IPC(8): C02F1/28C02F1/62C08J5/08
Inventor 韩炜李素文李鱼王珩赵晖王月
Owner JILIN UNIV