Nanosilver loaded adsorption carrier and preparation method thereof

An adsorption carrier and nano-silver technology, applied in separation methods, chemical instruments and methods, filtration and separation, etc., can solve the problems of many by-products, difficult to deal with water pathogenic bacteria, breeding of harmful bacteria, etc.

Active Publication Date: 2016-01-06
何素梅
View PDF9 Cites 55 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patented technology describes methods for producing an effective material called silvers that have been loaded onto various materials such as charcoal particles made from wood pulps. These carriers were found safe because they did not contain any dangerous chemicals like those involved during their manufacturing processes. They also had excellent properties when treated by certain techniques without losing them completely.

Problems solved by technology

This patented describes how it takes time and money to treat industrial wastes with high levels of contaminants such as nitrogen fertile sewages, pesticide residue, metal ion sources like iron, manganese, copper, chromium, selenium, hydrocarbons, ammonia, phosphorus acid esters, fats, oils, polynuclear hormones, drugs, and other organisms called microorganism. These unwanted agents may affect fish populations due to their growth indistinctness and lack of knowledge about them. Current methods have limitations including difficulty removing these harmful germs without causing damage to humans who consume this type of food. Therefore, new technologies aim towards developing effective ways to kill harmful algae while reducing environmental concerns associated with disposal processes.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Nanosilver loaded adsorption carrier and preparation method thereof
  • Nanosilver loaded adsorption carrier and preparation method thereof
  • Nanosilver loaded adsorption carrier and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0026] The preparation method of the adsorption carrier of loaded nano-silver of the present invention, comprises the steps:

[0027] (a) Add the porous adsorption carrier to a rotary mixer containing deionized water and rotate at 3200rpm for 10 minutes; then add the silver compound and rotate for 10 minutes;

[0028] (b) After adding the reducing agent to rotate and fully react, the porous adsorption carrier is taken out and centrifuged;

[0029] (c) Spin and soak the adsorption carrier obtained in step (b) with 1-20mol / L acid at 500rpm for 2-4 hours, then take it out and centrifuge;

[0030] (d) Spin and soak the adsorption carrier treated in step (c) with 0.1-20mol / L alkali at 500rpm for 2-4 hours, then take it out and centrifuge;

[0031] (e) Spin and soak the adsorption carrier treated in step (d) with an organic solvent at 500 rpm for 2 to 4 hours, then take it out and centrifuge;

[0032] (f) Spin and soak the adsorption carrier treated in step (e) with purified water...

Embodiment 1

[0042] Add 1 kg of the mixture of coconut shell charcoal and coal-based charcoal, a porous adsorption carrier with a particle size range of 0.001 μm to 100 μm, into a rotary mixer containing 1.5 kg of deionized water and rotate at 3200 rpm for 10 minutes, then add 100 g of silver compound silver bromide Rotate the mixture with silver iodide for 10 minutes, then add 50g of reducing agent potassium borohydride and rotate for sufficient reaction, take out and centrifuge, soak with 2kg of 0.1mol / L hydrochloric acid at 500rpm for 2~4 hours and centrifuge, then soak with 2kg of 20mol / L ammonia water at 500rpm for 2 Centrifuge after ~4 hours, soak in 2kg of organic solvent ethanol at 500rpm for 2~4 hours and centrifuge with 3kg of purified water at 500rpm for 10-24 hours, and then sinter at 850°C for 4 hours to obtain loaded nano silver with a purity of 99.99% the adsorption carrier.

Embodiment 2

[0044] Add 1 kg of a mixture of porous adsorption carriers with a particle size ranging from 0.01 μm to 50 μm shell charcoal, wood charcoal, bamboo charcoal and rice husk charcoal to a rotary mixer containing 1.5 kg of deionized water and rotate at 3200 rpm for 10 minutes, then add 50 g The mixture of silver compound silver nitrate and silver chloride is rotated for 10 minutes, and then 10g of reducing agent acetic acid or formic acid is added to rotate for sufficient reaction, then taken out and centrifuged, then soaked in 2kg of 3mol / L hydrochloric acid at 500rpm for 2~4 hours and centrifuged with 0.1mol / L 2 kg of sodium hydroxide soaked at 500 rpm for 2 to 4 hours and then centrifuged, soaked with 2 kg of organic solvent ether at 500 rpm for 2 to 4 hours and centrifuged, soaked with 3 kg of purified water at 500 rpm for 10 to 24 hours and centrifuged, then sintered at 900 ° C for 3 hours, The nano-silver-loaded adsorption carrier with a purity of 99.99% is obtained.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

PropertyMeasurementUnit
Apertureaaaaaaaaaa
Particle sizeaaaaaaaaaa
Particle sizeaaaaaaaaaa
Login to view more

Abstract

The invention relates to a nanosilver loaded adsorption carrier having filtration and sterilization effects and a preparation method thereof. The preparation method of the nanosilver loaded adsorption carrier comprises that a reducer is used for reducing a silver compound into elemental silver, use of a high-toxicity complexing agent is avoided, moreover, through acid purification treatment, alkali purification treatment and organic solvent purification treatment, an inorganic matter is dissolved in an acid or alkali firstly, then an organic matter is dissolved in an organic solvent, finally through further cleaning treatment with purified water, reaction remaining materials, freed or separated harmful impurities and the like are all purified to remove, and then through a high-temperature sintering process, the nanosilver loaded adsorption carrier with high purity (reaching 99.99%) can be obtained.

Description

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Owner 何素梅
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap