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Nanometer catalyst with adsorbing and virus killing activity

A nano-catalyst and virus technology, applied in molecular sieve catalysts, physical/chemical process catalysts, biocides, etc., can solve the problems of no one reporting, and achieve the effect of simple production, low cost and high efficiency

Inactive Publication Date: 2004-12-08
DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The use of nano-catalysts to adsorb and kill viruses has not been reported at home and abroad so far

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] The present invention uses porous oxide as a carrier, with Ag + 、Cu 2+ , Zn 2+ As the active metal component for killing viruses, the active metal ions are loaded on the porous carrier by ion exchange, metal salt solution impregnation or mechanical mixing and grinding.

[0013] Among them ion exchange: 1) Molecular sieve carrier first uses NH 4 + Exchange, the ammonium salt used during exchange can be ammonium chloride, ammonium nitrate or ammoniacal liquor; Preferred is ammonium nitrate; Several kinds; Among them: the exchange temperature of 1) and 2) is 20°C to 100°C, and the exchange time is 2h to 24h; 3) After metal ion exchange, steps such as washing, drying and roasting are required, and the drying temperature The temperature ranges from 80°C to 120°C, and the firing temperature ranges from 400°C to 600°C.

[0014] For the specific process, refer to Examples 1-11.

[0015] Example 1

[0016] 3.5g AgNO 3 Dissolve in 200ml distilled water, add 40g NH 4 A mo...

Embodiment 2

[0018] Weigh 10.0 g of nano-catalyst S-1, add 1.2 g of alumina strength modifier, mix and grind, and roast at 500° C. to obtain nano-catalyst S-2.

Embodiment 3

[0020] 8.2g AgNO 3 and 7.8g Zn(NO 3 ) 2 .6H 2 O was dissolved in 300ml of distilled water, and 100g of NH 4 A molecular sieve, stirred at room temperature for 7 hours, filtered, washed, dried at 120°C, and calcined at 450°C to obtain nanocatalyst S-3.

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PUM

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Abstract

A nanocatalyst for adsorbing and deactivating virus (influenza virus, adenovirus, etc) is composed of the carrier chosen from natural zeolite, synthetic molecular sieve, porous silica gel, aluminium oxide and titanium oxide, and the active component chosen from the nanoparticles of Ag, Cu, Zn, Au and Pt. Its advantage is high effect.

Description

technical field [0001] The invention relates to the field of catalysts, in particular to a nano-catalyst with adsorption and virus-killing activities. Background technique [0002] Atypical pneumonia (atypical pneumonia) is also known as severe acute respiratory syndrome (Severe Acute Respiratory Syndrome, SARS). The current epidemic of SARS is another major disaster facing human society. In order to prevent SARS and ensure human safety and health, it is of far-reaching social significance and scientific research value to develop nano-catalytic materials that can kill viruses with a broad spectrum and apply them to various protective facilities to effectively control the spread of SARS. [0003] Nano-catalyst means that the particle size of the catalyst or its active components is within the nanometer range. Due to the very large surface area of ​​nanoparticles and the high activity of their surface atoms, it has a wide range of applications in the fields of catalysis and ...

Claims

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Application Information

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IPC IPC(8): A01N25/08A01N59/16B01J23/06B01J23/48B01J23/72B01J29/00B01J35/10
Inventor 马磊王爱琴汪荣慧孟云单继宏张涛刘中民许国旺杨凌张卓然明平文黄向阳包信和
Owner DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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