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Method for preparing titanium dioxide/rectorite composite material

A composite material, titanium dioxide technology, applied in chemical instruments and methods, chemical/physical processes, physical/chemical process catalysts, etc., can solve technical problems and other problems, and achieve the effect of simple process and good decolorization effect

Inactive Publication Date: 2015-05-27
唐明
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But currently with Ti0 2 As a photocatalyst, there are mainly the following deficiencies: one is the technical difficulties in the application of photocatalysis
Among them, there are few reports on the preparation of titanium-based pillared rectorite.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment

[0008] Specific embodiment: the preparation process of the present invention is, in the beaker of 200mL capacity, add the prepared 6mol / L HCl solution, drop by drop the TiCl 4 solution was added to it, HCl / TiCl 4 =1.0~2.0 (mol / mol), the liquid becomes yellow-green viscous, then slowly add distilled water to it, the yellow-green solution gradually becomes lighter to colorless, and the solution is left to stand for 5-8h to obtain the cross-linking reagent. Weigh a certain amount of sodium-based rectorite and place it in a 1000mL beaker, dilute with distilled water to make a suspension and stir magnetically for 5-8 hours until fully dispersed, and slowly drop the cross-linking reagent into the rectorite suspension under stirring , TiCl 4 / rectorite=15~25 (mmol / g), continue magnetic stirring for 20h after the dropwise addition, and finally wash and centrifuge several times to pH=5.0~5.5, filter and dry at 60°C and store at 500°C Burn for 2 hours to get titanium dioxide / rectorite...

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PUM

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Abstract

The invention discloses a method for preparing a titanium dioxide / rectorite composite material and belongs to the field of preparation of photocatalysts. The method for preparing the titanium dioxide / rectorite composite material provided by the invention is simple in process and the materials is good in discoloring effect. The method titanium dioxide / rectorite composite material is prepared by taking rectorite and titanium tetrachloride as raw materials through an ion exchange method. The titanium dioxide / rectorite composite material prepared by adopting the method has an excellent discoloring effect.

Description

technical field [0001] The invention belongs to the field of photocatalyst preparation. Background technique [0002] Semiconductor TiO 2 The application research of photocatalytic oxidation technology has become one of the research hotspots in the field of environmental pollutant treatment at home and abroad. But currently with Ti0 2 As a photocatalyst, there are mainly the following deficiencies: one is the technical difficulty in photocatalytic application. Such as photocatalyst loading technology and separation and recovery technology in the liquid phase reaction system; second, the carrier recombination rate is high and the quantum efficiency is low. For Ti0 2 Due to these shortcomings of photocatalysts, researchers at home and abroad have carried out research on the composite or modification of titanium dioxide and other materials in recent years. Yu Jiaguo et al studied TiO 2 Photocatalytic loading technology and its application in the degradation of organic mat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J21/16
Inventor 唐明
Owner 唐明