Preparation method of activated-carbon multi-point-location supported nano zero-valent iron composite material
A technology of nano-zero-valent iron and composite materials, applied in chemical instruments and methods, physical/chemical process catalysts, metal/metal oxide/metal hydroxide catalysts, etc., can solve the problem of low loading capacity, limited adsorption capacity, activated carbon Poor adsorption selectivity, etc.
Inactive Publication Date: 2017-12-12
BEIJING UNIV OF CHEM TECH
1 Cites 11 Cited by
AI-Extracted Technical Summary
Problems solved by technology
View more
Method used
View more
Abstract
The invention provides a method for preparing a composite material of activated carbon loaded with nanometer zero-valent iron, comprising the following steps: Step 1: adding microcrystalline cellulose solution and citric acid to the activated carbon, and hydrothermally reacting to prepare modified activated carbon; Step 2 : Polyethylene glycol is dissolved in ultrapure water to prepare a dispersant solution; Step 3: FeSO4·7H2O is dissolved in the dispersant solution, stirred magnetically under nitrogen protection, and slowly dripped into NaBH4 solution to obtain Activated carbon multi-site loaded nano zero-valent iron composite material. The invention prepares multi-point activated carbon, increases the active sites of activated carbon to a large extent, and effectively improves the loading capacity of nano-zero-valent iron; uses polyethylene glycol solution as a dispersant, so that nano-zero-valent iron particles are evenly loaded on the activated carbon , good dispersion, and improve the catalytic degradation ability of the composite material to pollutants; polyethylene glycol is non-toxic and has good stability, and the residual components will not cause secondary pollution during the repair process.
Application Domain
Metal/metal-oxides/metal-hydroxide catalysts
Technology Topic
Activated carbonNitrogen gas +15
Image
Examples
- Experimental program(1)
Example Embodiment
PUM


Description & Claims & Application Information
We can also present the details of the Description, Claims and Application information to help users get a comprehensive understanding of the technical details of the patent, such as background art, summary of invention, brief description of drawings, description of embodiments, and other original content. On the other hand, users can also determine the specific scope of protection of the technology through the list of claims; as well as understand the changes in the life cycle of the technology with the presentation of the patent timeline. Login to view more.