Method for preparing carbon material carrying nanometer multi-element metal

A technology of multiple metals and carbon materials, applied in the field of carbon materials, can solve problems such as high surface energy, difficult stability, and difficulty in moving nano-metal particles, and achieve the effects of low release rate, simple process, and strong adhesion

Inactive Publication Date: 2014-04-09
徐剑晖 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the high surface energy of nano-sized metal particles, it is easy to aggregate, thereby reducing its reactivity and bactericidal ability, so how to maintain its stability is still a difficult problem.
In addition, the difficulty of separating metal nanoparticles from water makes their application in water treatment difficult

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Take 500g of granular activated carbon, add it to 1L of deionized water, add 10g of copper nitrate, 10g of zinc acetate and 2g of polyglucosamine, stir and mix for 8 hours, and heat-treat in a vacuum at 300 degrees to obtain activated carbon loaded with nano-copper and zinc.

Embodiment 2

[0019] Take 1000g of bamboo charcoal, add it to 3L of deionized water, add 30g of silver acetate, 20g of ferric nitrate and 2g of sodium citrate, stir and mix for 2 hours, and heat-treat under nitrogen at 800 degrees to obtain bamboo charcoal loaded with nano-silver and iron.

Embodiment 3

[0021] Take 800g of carbon nanofibers, add them to 4L of deionized water, add 5g of silver acetate, 10g of iron nitrate, 15g of copper nitrate, 15g of zinc nitrate and 2g of sodium citrate, stir and mix for 24 hours, and heat-treat at 700 degrees under nitrogen to obtain loaded nanofibers. Carbon nanofibers of silver, iron, zinc and copper.

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Abstract

The invention provides a method for preparing a carbon material carrying nanometer multi-element metal, and relates to the technical field of carbon materials. The method aims to enable the nanometer multi-element metal to be loaded on the carbon material effectively. The method for preparing the carbon material carrying the nanometer multi-element metal is characterized in that the carbon material is added in deionized water, at least two kinds of organic or inorganic compounds of silver, copper, zinc and iron are added, steep is carried out for 1-24 hours after even mixing, and then heat treatment at 150-1200 DEG C is carried out in an inert gas environment or a reductive gas environment or a vacuum environment, wherein the carbon material is granular active carbon or powdered active carbon or bamboo carbon or rice husk carbon or carbon nano tubes or carbon nanofibers or artificial graphite. According to the method for preparing the carbon material carrying the nanometer multi-element metal, the technology is simple, operation is easy, reduction regents do not need to be added, zero waste water is discharged, no pollution is generated, and the carbon material prepared through the method can be used for purification treatment of drinking water.

Description

technical field [0001] The invention relates to the technical field of carbon materials, in particular to a method for preparing a carbon material loaded with nanometer multi-element metals, which can be used to purify water resources. Background technique [0002] Water is the source of life, and human beings cannot survive without water. With the development of social economy and the continuous improvement of living standards, people's requirements for drinking water are also continuously improved. However, according to a May 2012 report by China Youth Daily, the drinking water of China's approximately 300 million rural population and 50 million urban population still does not meet safety standards. The "2010 China Rural Poverty Monitoring Report" shows that as of 2009, only 32% of all rural households drink tap water, and the rest of the rural households who drink directly from water sources all suffer from varying degrees of health problems. Due to the lack of centrali...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F9/24C02F1/28C02F1/70C02F1/50B82Y40/00
Inventor 徐剑晖赵建树
Owner 徐剑晖
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