Supercharge Your Innovation With Domain-Expert AI Agents!

Silver-carrying diatomite carbon film and preparation method thereof

A technology of silver diatomite and diatomite, which is applied in the field of silver-loaded diatomite carbon film and its preparation, can solve the problems of application limitation, difficulty in recycling, and easy aggregation of nano-silver, and achieve low cost and strong washing resistance , The effect of high sterilization rate

Inactive Publication Date: 2018-06-12
XIAMEN UNIV +1
View PDF6 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, nano-silver is easy to aggregate and difficult to recycle, which limits its further application.

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
  • Silver-carrying diatomite carbon film and preparation method thereof
  • Silver-carrying diatomite carbon film and preparation method thereof
  • Silver-carrying diatomite carbon film and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0028] 1) Wash food-grade diatomite with deionized water to remove impurities, filter, and then put it in a 60°C oven for drying;

[0029] 2) immerse the diatomite obtained in step 1) in a silver nitrate solution with a concentration of 2.72mM, soak at 60°C for 2h, so that the silver ions are immobilized on the surface of the diatomite;

[0030] 3) washing the diatomite obtained in step 2) with deionized water at least twice to ensure the removal of impurities and silver ions not immobilized in the diatomite;

[0031] 4) Immerse the diatomite obtained in step 3) into a sodium borohydride solution with a concentration of 5 mM for reduction, soak and stir at room temperature for 1 h, then wash again, filter, and dry in an oven at 60°C for 5 h to obtain silver-loaded diatomite;

[0032] 5) Mix the silver-loaded diatomite obtained in step 4) evenly with activated carbon and polyethylene according to a certain ratio, first put it into a mold, compact the mixture with a pressure of...

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
Concentrationaaaaaaaaaa
Login to View More

Abstract

The invention discloses a silver-carrying diatomite carbon film and a preparation method thereof. The preparation method comprises: washing certain food-grade diatomite with deionized water, removingimpurities herein, and drying in an oven; soaking the diatomite in silver nitrate solution so that silver ions are supported in pores of the diatomite; using deionized water to remove non-supported silver ions in the treated diatomite; soaking the diatomite in sodium borohydride to carry out reduction so as to obtain silver-carrying diatomite, and washing twice; mixing the silver-carrying diatomite, activated carbon and polyethylene in a certain ratio, mixing well, loading in a mold, and sintering at high temperature to obtain the silver-carrying diatomite carbon film. The silver-carrying diatomite carbon film has excellent antibacterial property and scour resistance, is low in cost, has a wide range of material sources, is easy to produce on large scale and has a promising application prospect in the purified water industry.

Description

technical field [0001] The invention belongs to the technical field of functional materials, and in particular relates to a sterilizable silver-loaded diatomite carbon film and a preparation method thereof. Background technique [0002] Access to safe water has become a worldwide problem. Even in water-abundant regions, the problem of safe water will only worsen in the coming decades. Especially microorganisms such as viruses and pathogenic protozoa (Cryptosporidium, Giardia, etc.) in water, even if the content is very small, as long as a single pathogen enters the human body, it will infect and get sick. The traditional water purification method is to use chlorine and its related compounds to purify water, but this method also has many defects, such as long water purification time, a large amount of water is required to meet the water purification requirements, and some toxic substances may even be produced. Therefore, it is necessary to adopt some new methods to steriliz...

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
IPC IPC(8): C02F1/50A01N25/08A01N59/16A01P3/00A01P1/00
CPCA01N25/08A01N59/16C02F1/50
Inventor 周锐林圣栋刘洪均
Owner XIAMEN UNIV
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

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

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com