Carbon nitride-nickel titanate composite material and its preparation method and application

A composite material, carbon nitride technology, applied in chemical instruments and methods, chemical/physical process, physical/chemical process catalyst, etc., can solve the problem of composite material synthesis work that has not yet been reported, and achieve easy control and operation of reaction conditions. Convenient and good catalytic effect

Inactive Publication Date: 2017-07-07
湖南红普创新科技发展有限公司
View PDF3 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] So far, g-C 3 N 4 / NiTiO 3 Synthetic work on composite materials has not been reported

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
  • Carbon nitride-nickel titanate composite material and its preparation method and application
  • Carbon nitride-nickel titanate composite material and its preparation method and application
  • Carbon nitride-nickel titanate composite material and its preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] A carbon nitride-nickel titanate composite material of the present invention comprises carbon nitride and nickel titanate, wherein the carbon nitride is block-shaped, nickel titanate is rod-shaped, and the rod-shaped nickel titanate is deposited on the block-shaped nitrided Carbon surface, in which the mass fraction of carbon nitride is 18.4%.

[0043] respectively for g-C 3 N 4 , NiTiO 3 And the carbon nitride-nickel titanate composite material (g-C 3 N4 / NiTiO 3 ) The specific surface area is detected by BET measurement, g-C 3 N 4 , NiTiO 3 And the carbon nitride-nickel titanate composite material (g-C 3 N 4 / NiTiO 3 ) with a specific surface area of ​​10.238 m 2 g −1 , 57.138 m 2 g −1 , 61.284 m 2 g −1 , see g-C 3 N 4 / NiTiO 3 The specific surface area of ​​the material is larger than the two monomers; the high specific surface area can provide more active sites for adsorbing pollutants, which contributes to photocatalysis. Therefore, the carbon ...

Embodiment 2

[0052] A carbon nitride-nickel titanate composite material of the present invention comprises carbon nitride and nickel titanate, wherein the carbon nitride is block-shaped, nickel titanate is rod-shaped, and the rod-shaped nickel titanate is deposited on the block-shaped nitrided Carbon surface, wherein the mass fraction of carbon nitride is 10%.

[0053] A method for preparing the carbon nitride-nickel titanate composite material of the above-mentioned embodiment differs from the method of embodiment 1 only in that the amount of dicyandiamide in step (1) is 150 mg, and the rest of the steps are the same.

Embodiment 3

[0055] A carbon nitride-nickel titanate composite material of the present invention comprises carbon nitride and nickel titanate, wherein the carbon nitride is block-shaped, nickel titanate is rod-shaped, and the rod-shaped nickel titanate is deposited on the block-shaped nitrided Carbon surface, in which the mass fraction of carbon nitride is 27.3%.

[0056] A method for preparing the carbon nitride-nickel titanate composite material of the above-mentioned embodiment differs from the method of embodiment 1 only in that the amount of dicyandiamide in step (1) is 500 mg, and the rest of the steps are the same.

[0057] respectively for g-C 3 N 4 , NiTiO 3 And the carbon nitride-nickel titanate composite material of embodiment 1~3 carries out ultraviolet-visible diffuse reflection absorption spectrum detection, image 3 for g-C 3 N 4 , NiTiO 3 And the ultraviolet-visible diffuse reflection absorption spectrum corresponding to the carbon nitride-nickel titanate composite ma...

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
concentrationaaaaaaaaaa
quality scoreaaaaaaaaaa
Login to view more

Abstract

The invention discloses a carbon nitride-nickel titanate composite material and its preparation method and application. The carbon nitride-nickel titanate composite material includes carbon nitride and nickel titanate, and nickel titanate is deposited on the surface of carbon nitride Constitute carbon nitride-nickel titanate composite material. The preparation method comprises the following steps: dissolving dicyandiamide in ethylene glycol to obtain an ethylene glycol solution containing dicyandiamide; adding nickel acetate and tetrabutyl titanate to the ethylene glycol solution of dicyandiamide for polymerization reaction to obtain A reaction product; calcining the reaction product to obtain a carbon nitride-nickel titanate composite material. The composite material of the present invention has the advantages of strong stability, high recyclability, high specific surface area and high photocatalytic active sites, etc., and its preparation method is simple in process, high in operability and low in cost, and the prepared composite material has superior Its photocatalytic performance is widely used in the field of photocatalytic degradation of dye wastewater.

Description

technical field [0001] The invention belongs to the technical field of preparation of composite materials, and relates to a photocatalytic nano composite material and its preparation method and application, in particular to a carbon nitride-nickel titanate composite material and its preparation method and application. Background technique [0002] In recent years, photocatalytic technology has been widely used to treat inorganic and organic pollutants in wastewater. Many photocatalytic materials such as metal oxides, sulfides and nitrides have received extensive attention and research. Among these photocatalysts, perovskite oxides have a stable structure and exhibit good photocatalytic activity in the field of photocatalysis. Among them, nickel titanate (NiTiO 3 ) belongs to the triangular crystal system of ilmenite structure, with its suitable band gap (2.18 eV) and good solar light response characteristics, it has potential application prospects in the field of photocata...

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
Patent Type & Authority Patents(China)
IPC IPC(8): B01J27/24C02F1/30
Inventor 袁兴中王惠王侯陈晓红吴志斌蒋龙波梁婕曾光明
Owner 湖南红普创新科技发展有限公司
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