Preparation method of activated zeolite molecular sieve supported titanium dioxide photocatalysis material

A photocatalytic material, zeolite molecular sieve technology, applied in the field of preparation of activated zeolite molecular sieve loaded titanium dioxide photocatalytic material, can solve the problems of weak adsorption performance of natural zeolite and low photocatalytic efficiency

Inactive Publication Date: 2017-02-22
YANCHENG INST OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In view of the above-mentioned deficiencies in the prior art, the present invention provides a preparation method of an activated zeolite molecular sieve-loaded titanium dioxide photocatalytic material. The present invention uses activ

Method used

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  • Preparation method of activated zeolite molecular sieve supported titanium dioxide photocatalysis material
  • Preparation method of activated zeolite molecular sieve supported titanium dioxide photocatalysis material
  • Preparation method of activated zeolite molecular sieve supported titanium dioxide photocatalysis material

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preparation example Construction

[0024] Such as figure 1 , figure 2 As shown, the present invention provides a kind of preparation method of activated zeolite molecular sieve loaded titanium dioxide photocatalytic material, comprises the following steps:

[0025] Step S1: Activate the natural zeolite molecular sieve to obtain the activated zeolite molecular sieve, which specifically includes, Step S1a: Pour the natural zeolite molecular sieve into a beaker, and rinse with distilled water until the rinse solution is no longer turbid; Step S1b: Wash the natural zeolite molecular sieve Put the molecular sieve together with the beaker into an oven for drying at a temperature of 75-90°C. After drying, move it into a high-temperature furnace for calcination for 0.5-2 hours, and adjust the temperature in the furnace to 170-195°C to obtain activated zeolite molecular sieves.

[0026] Step S2: Mix and stir the activated zeolite molecular sieve, tetrabutyl titanate, acetic acid, nitric acid, and absolute ethanol, and...

Embodiment 1

[0031] The preparation method of the activated zeolite molecular sieve loaded titanium dioxide photocatalytic material with a mass ratio of 1:0.5 comprises the following steps:

[0032] (1) The natural zeolite molecular sieve is activated to obtain activated zeolite molecular sieve:

[0033] Pour a certain amount of natural zeolite molecular sieve (5A) into a beaker, rinse several times with distilled water until the liquid is no longer turbid, then put the cleaned natural zeolite molecular sieve (5A) together with the beaker into an oven for drying, and the oven temperature is 80 °C, after drying, move it into a high-temperature furnace for calcination for 1 hour, and adjust the temperature in the furnace to 180 °C to finally obtain an activated zeolite molecular sieve (5A).

[0034] (2) Mix and stir the activated zeolite molecular sieve, tetrabutyl titanate, acetic acid, nitric acid and absolute ethanol, and obtain the activated zeolite molecular sieve-loaded titanium dioxide ...

Embodiment 2

[0037] The preparation method of the activated zeolite molecular sieve loaded titanium dioxide photocatalytic material with a mass ratio of 1:1 comprises the following steps:

[0038] (1) The natural zeolite molecular sieve is activated to obtain activated zeolite molecular sieve:

[0039] Pour a certain amount of natural zeolite molecular sieve (5A) into a beaker, rinse several times with distilled water until the liquid is no longer turbid, then put the cleaned natural zeolite molecular sieve (5A) together with the beaker into an oven for drying, and the oven temperature is 80 °C, after drying, move it into a high-temperature furnace for calcination for 1 hour, and adjust the temperature in the furnace to 180 °C to finally obtain an activated zeolite molecular sieve (5A).

[0040] (2) Mix and stir the activated zeolite molecular sieve, tetrabutyl titanate, acetic acid, nitric acid and absolute ethanol, and obtain the activated zeolite molecular sieve-loaded titanium dioxide ...

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Abstract

The invention provides a preparation method of an activated zeolite molecular sieve supported titanium dioxide photocatalysis material. The method comprises the following steps: activating natural zeolite molecular sieve to obtain activated zeolite molecular sieve; and mixing and stirring the activated zeolite molecular sieve, tetrabutyl titanate, acetic acid, nitric acid and anhydrous ethanol, and carrying out ultrasonic treatment, stirring, ageing, drying and calcining to obtain the activated zeolite molecular sieve supported titanium dioxide photocatalysis material. The activated zeolite molecular sieve supported titanium dioxide photocatalysis material has larger specific surface area than an inactivated zeolite supported titanium dioxide material, and the specific surface area of the activated zeolite molecular sieve supported titanium dioxide photocatalysis material reaches 280.1 m<2>/g; the activated zeolite molecular sieve supported titanium dioxide photocatalysis material has better adsorption performance than the inactivated zeolite supported titanium dioxide material, and the adsorption rate of the activated zeolite molecular sieve supported titanium dioxide photocatalysis material reaches 94.7%; and additionally, the activated zeolite molecular sieve supported titanium dioxide photocatalysis material has high photocatalysis performance, and the photocatalysis degradation rate reaches 98.6%. The activated zeolite molecular sieve supported titanium dioxide photocatalysis material has wider aperture distribution than the inactivated zeolite supported titanium dioxide material.

Description

technical field [0001] The invention relates to the field of inorganic non-metallic materials, in particular to a preparation method of an activated zeolite molecular sieve loaded titanium dioxide photocatalytic material. Background technique [0002] Since the 1970s, the first discovery of the phenomenon of titanium dioxide photocatalytic water splitting has opened up people's research on the photoelectric properties of various materials, especially semiconductor materials, and photoelectric materials have been widely used. Among all photocatalytic materials, titanium dioxide is widely used in various fields due to its low price, stable physical properties, strong oxidation ability, strong hydrophilicity, non-toxicity, and energy saving, and has a good application prospect. [0003] In the field of titanium dioxide photocatalysis, most studies use natural zeolite loading to improve its adsorption and photocatalytic performance, and some studies use a series of methods such ...

Claims

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Application Information

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IPC IPC(8): B01J29/06
CPCB01J29/061B01J21/063B01J35/004
Inventor 奚新国董鹏玉蔡星田浩
Owner YANCHENG INST OF TECH
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