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A zrtio templated with bacterial cellulose 4 Nanotube preparation method

A technology of bacterial cellulose and nanotubes, which is applied in the field of photocatalysis, can solve the problems of ZrO2 less research, and achieve the effects of easy control of preparation conditions, simple preparation methods, and high catalytic efficiency

Active Publication Date: 2020-11-06
CHANGZHOU UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although TiO 2 The photocatalytic properties of ZrO have been studied for more than 40 years, but the 2 There is still relatively little research

Method used

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  • A zrtio templated with bacterial cellulose <sub>4</sub> Nanotube preparation method
  • A zrtio templated with bacterial cellulose <sub>4</sub> Nanotube preparation method
  • A zrtio templated with bacterial cellulose <sub>4</sub> Nanotube preparation method

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Embodiment 1

[0023] (1) Bacterial cellulose treatment: Bacterial cellulose hydrogel was provided by Guilin Qihong Technology Co., Ltd. and reprocess it. The bacterial cellulose hydrogel was purified in NaOH aqueous solution to remove bacteria and residual reactants in the membrane, and then washed with deionized water to pH=7.0. The washed bacterial cellulose was cut into small pieces, immersed in liquid nitrogen, and freeze-dried to obtain bacterial cellulose aerogels with a layered structure. ;

[0024] (2)ZrTiO 4 Preparation of nanotubes: Add tetrabutyl titanate and zirconium propoxide to isopropanol, then immerse bacterial cellulose in it, let it stand, and make ZrTiO 4 The precursor solution is attached to the surface of the fiber. Add water to the system, and let it stand at room temperature for 5 hours to complete the hydrolysis process. The product is taken out, washed several times with water, and dried in an oven. The product was pyrolyzed at 700°C for 1 hour to obtain ZrTi...

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Abstract

The invention relates to a ZrTiO using bacterial cellulose as a template 4 Preparation of nanotube photocatalyst, including steps: pretreatment of bacterial cellulose, ZrTiO 4 Preparation of nanotubes. The beneficial effects of the present invention are: the preparation method is relatively simple, the preparation conditions are easy to control, and the prepared ZrTiO 4 Nanotube catalysts have the advantages of no secondary pollution and high photocatalytic efficiency, and have certain application value.

Description

technical field [0001] The present invention relates to a kind of ZrTiO with bacterial cellulose as template 4 The invention discloses a method for preparing nanotubes, belonging to the technical field of photocatalysis. This photocatalyst can effectively modulate TiO 2 Tubular structure, study its unique structure-activity relationship, so as to improve the photocatalytic efficiency. Background technique [0002] In order to realize the further development of photocatalytic technology, the research and development of new photocatalytic materials is imminent. In particular, a new generation of photocatalytic materials beyond conventional titanium dioxide can be developed. Although traditional titanium dioxide has unique advantages (such as good stability, low toxicity, low cost, and strong oxidation of photoexcited holes), it also has obvious limitations, such as poor visible light activity and weak reduction of photoexcited electrons. For this reason, it is of great res...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J21/06B01J35/02C01G25/02C02F1/30C02F101/36C02F101/38B01J35/00
CPCC01G25/02C02F1/30B01J21/066C02F2101/40C02F2101/38C02F2101/36C02F2305/10C01P2002/72C01P2004/13C01P2004/03B01J35/39B01J35/40
Inventor 周满陈敬文李忠玉
Owner CHANGZHOU UNIV