Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Lithium-titanium composite metal oxide micro/nano material and its preparation method and application

A composite oxide and lithium-titanium composite technology, which is applied in metal/metal oxide/metal hydroxide catalysts, chemical instruments and methods, chemical/physical processes, etc. Degradation research and other issues, to achieve the effect of easy large-scale preparation, strong oxidation performance, and simple and easy preparation method

Active Publication Date: 2020-09-11
RES CENT FOR ECO ENVIRONMENTAL SCI THE CHINESE ACAD OF SCI
View PDF5 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Moreover, there is no literature report on the catalytic degradation of halogenated aromatic hydrocarbons by composite micro-nano metal oxides.

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
  • Lithium-titanium composite metal oxide micro/nano material and its preparation method and application
  • Lithium-titanium composite metal oxide micro/nano material and its preparation method and application
  • Lithium-titanium composite metal oxide micro/nano material and its preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0036] The method for preparing the above-mentioned lithium-titanium composite metal oxide micro / nano material provided by the present invention, its main steps are:

[0037] 1) Dissolve the lithium-containing compound in a corresponding amount of aqueous solution, add a certain amount of hydrogen peroxide at the same time, and after stirring evenly, slowly add the titanium-containing compound into the solution while stirring continuously. After the precipitate is dissolved and the solution is transparent, it is transferred to a hydrothermal reaction kettle to react for a period of time. After the solution is cooled to room temperature, the precipitate is collected; the precipitate is washed with distilled water and centrifuged, and dried in an oven to obtain a lithium-titanium composite metal oxide micro / nano material precursor;

[0038] In step 1): the molar ratio of lithium and titanium is 1-10:1-10. The aqueous solution containing lithium ions is one of lithium carbonate,...

Embodiment 1

[0045] Take LiOH·H 2 O 0.336g, hydrogen peroxide 1mL and distilled water 20mL were placed in a 100mL beaker, and stirred evenly at room temperature. Subsequently, 0.681 mL of tetrabutyl titanate was slowly added to the above aqueous solution, stirred by electromagnetic at room temperature to become a transparent liquid, and transferred to a 50 mL stainless steel reaction kettle. The reaction kettle was placed in a muffle furnace and reacted at 130°C for 12h. After the reaction was completed, it was cooled to room temperature, and the white precipitate was collected. The precipitate is washed and dried at 80° C. for several hours to obtain the precursor of the lithium-titanium composite metal oxide micro / nano material. The precursor was burned in an air atmosphere at 500 °C for 6 hours in a tube furnace to obtain the target product Li 4 TiO x , its SEM and XRD characterization results are as follows Figure 1A , Figure 1B and Figure 1C shown. Figure 1A , Figure 1B Th...

Embodiment 2

[0047] Take LiOH·H 2 O 0.168g, hydrogen peroxide 1mL and distilled water 20mL were placed in a 100mL beaker, and stirred evenly at room temperature. Subsequently, 0.681 mL of tetrabutyl titanate was slowly added to the above aqueous solution, stirred by electromagnetic at room temperature to become a transparent liquid, and transferred to a 50 mL stainless steel reaction kettle. The reaction kettle was placed in a muffle furnace and reacted at 130°C for 12h. After the reaction was completed, it was cooled to room temperature, and the white precipitate was collected. The precipitate is washed and dried at 80° C. for several hours to obtain the precursor of the lithium-titanium composite metal oxide micro / nano material. The precursor was burned in an air atmosphere at 500 °C for 6 hours in a tube furnace to obtain the target product Li 2 TiO x , its SEM and XRD characterization results are as follows Figure 2A , Figure 2B and Figure 2C shown. Figure 2A , Figure 2B ...

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
diameteraaaaaaaaaa
particle diameteraaaaaaaaaa
Login to View More

Abstract

The invention discloses a lithium-titanium composite metal oxide micro / nano material. The lithium-titanium composite metal oxide micro / nano material is a particle having a diameter of about 2 to 4 [mu]m and mainly prepared through assembling of nanosheets. The phase of the lithium-titanium composite metal oxide micro / nano material is composed of a composite oxide of two metal elements, i.e., lithium and titanium, and a flower-like micro / nano metal oxide is formed; and a feeding mol ratio of lithium to titanium is (1-10): (1-10). The invention also discloses a preparation method and applicationof the lithium-titanium composite metal oxide micro / nano material. The lithium-titanium composite metal oxide micro / nano material of the invention can efficiently degrade aryl halide.

Description

technical field [0001] The invention relates to a lithium-titanium composite metal oxide micro / nano material for degrading halogenated aromatic hydrocarbons. [0002] The present invention also relates to a preparation method of the lithium-titanium composite metal oxide micro / nano material. [0003] The invention also relates to the application of the lithium-titanium composite metal oxide micro / nano material for degrading halogenated aromatic hydrocarbons. Background technique [0004] Halogenated aromatic hydrocarbons are a typical class of persistent organic pollutants, which have the characteristics of long-term persistence, bioaccumulation, high toxicity, semi-volatility and lipophilicity, including polychlorinated biphenyls, polychlorinated naphthalenes, and polychlorinated diphenyl ethers. , polybrominated diphenyl ethers, polychlorinated dibenzodioxins, polychlorinated dibenzofurans, and various organochlorine pesticides. These compounds are widely distributed in ...

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): B01J23/04A62D3/30A62D101/04A62D101/22
CPCA62D3/30A62D2101/04A62D2101/22B01J23/002B01J23/04
Inventor 苏贵金李倩倩刘雅露郑明辉
Owner RES CENT FOR ECO ENVIRONMENTAL SCI THE CHINESE ACAD OF SCI
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com