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BiInOCl porous microsphere photocatalyst with hierarchical structure, and preparation method thereof

A technology of porous microspheres and photocatalysts, applied in the field of photocatalysis, can solve the problems of strong biological toxicity and hazards, and achieve the effect of simple preparation methods

Inactive Publication Date: 2020-02-21
QINGDAO UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, Pb is a heavy metal, has strong biological toxicity, and has the hazards of "three causes"

Method used

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  • BiInOCl porous microsphere photocatalyst with hierarchical structure, and preparation method thereof
  • BiInOCl porous microsphere photocatalyst with hierarchical structure, and preparation method thereof
  • BiInOCl porous microsphere photocatalyst with hierarchical structure, and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] A BiInOCl porous microsphere photocatalyst with a hierarchical structure, using bismuth nitrate, indium nitrate, hydrochloric acid, and ethylene glycol as basic raw materials, through a simple one-step hydrothermal method, the BiInOCl porous microsphere photocatalyst with a hierarchical structure is prepared. The ratio of Bi:In is 1:0.5.

[0041] The preparation method of the above-mentioned BiInOCl porous microsphere photocatalyst with hierarchical structure comprises the following steps:

[0042] (1) Preparation of sample solution: first take a beaker with a specification of 100mL, add 80mL of ethylene glycol, and then add 0.4mmol of Bi(NO 3 ) 3 , then add 0.2mmol of In(NO 3 ) 3 , and finally add 0.4 mmol of HCl solution, and stir for 30 min until completely dissolved.

[0043] (2) Hydrothermal reaction: Add the prepared samples in different proportions into a 100mL reaction kettle, and place them in an electric blast drying oven at 140°C for 24h.

[0044] (3) Wa...

Embodiment 2

[0046] A BiInOCl porous microsphere photocatalyst with a hierarchical structure, using bismuth nitrate, indium nitrate, hydrochloric acid, and ethylene glycol as basic raw materials, through a simple one-step hydrothermal method, the BiInOCl porous microsphere photocatalyst with a hierarchical structure is prepared. The ratio of Bi:In is 1:1.

[0047] The preparation method of the above-mentioned BiInOCl porous microsphere photocatalyst with hierarchical structure comprises the following steps:

[0048] (1) Preparation of sample solution: first take a beaker with a specification of 100mL, add 80mL of ethylene glycol, and then add 0.4mmol of Bi(NO 3 ) 3 , then add 0.4mmol of In(NO 3 ) 3 , and finally add 0.4 mmol of HCl solution, and stir for 30 min until completely dissolved.

[0049] (2) Hydrothermal reaction: Add the prepared samples in different proportions into a 100mL reaction kettle, and place them in an electric blast drying oven at 140°C for 24h.

[0050] (3) Wash...

Embodiment 3

[0052] A BiInOCl porous microsphere photocatalyst with a hierarchical structure, using bismuth nitrate, indium nitrate, hydrochloric acid, and ethylene glycol as basic raw materials, through a simple one-step hydrothermal method, the BiInOCl porous microsphere photocatalyst with a hierarchical structure is prepared. The ratio of Bi:In is 1:2.

[0053] The preparation method of the above-mentioned BiInOCl porous microsphere photocatalyst with hierarchical structure comprises the following steps:

[0054] (1) Preparation of sample solution: first take a beaker with a specification of 100mL, add 80mL of ethylene glycol, and then add 0.4mmol of Bi(NO 3 ) 3 , then add 0.8mmol of In(NO 3 ) 3 , and finally add 0.4 mmol of HCl solution, and stir for 30 min until completely dissolved.

[0055] (2) Hydrothermal reaction: Add the prepared samples in different proportions into a 100mL reaction kettle, and place them in an electric blast drying oven at 140°C for 24h.

[0056] (3) Wash...

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Abstract

The invention belongs to the technical field of photocatalysis, and particularly relates to a BiInOCl porous microsphere photocatalyst with a hierarchical structure. The invention also relates to a preparation method of the BiInOCl porous microsphere photocatalyst with the hierarchical structure. According to the invention, the BiInOCl porous microsphere photocatalyst with the hierarchical structure is prepared by using bismuth nitrate, indium nitrate, hydrochloric acid and ethylene glycol as basic raw materials through a simple one-step hydrothermal method; the BiInOCl porous microsphere photocatalyst with the hierarchical structure has good photocatalytic performance; and compared with the photocatalyst in the prior art, the performance of the photocatalyst of the invention in degradation of norfloxacin, rhodamine B, methyl orange and methylene blue in an all-optical catalytic mode is remarkably improved.

Description

technical field [0001] The invention belongs to the technical field of photocatalysis, in particular to a BiInOCl porous microsphere photocatalyst with a hierarchical structure; the present invention also relates to a preparation method of the above-mentioned BiInOCl porous microsphere photocatalyst with a hierarchical structure. Background technique [0002] Photocatalytic technology is a green technology with important application prospects in the fields of energy and the environment. It can completely degrade organic pollutants into carbon dioxide and water under light. At the same time, the photocatalytic material itself has no loss and can be recycled, so it is widely used. Research. At present, the widely studied photocatalysts mainly include TiO 2 , g-C 3 N 4 , CdS, BiVO 4 、WO 3 , BiOX, etc., among which BiOX (X=Cl, Br, I) as a new type of photocatalyst has attracted much attention due to its unique electrical, optical, and catalytic properties, and its unique la...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J27/125B01J35/08B01J35/10C02F1/30C02F1/72C02F1/28
CPCB01J27/125C02F1/30C02F1/725C02F1/281C02F2305/023C02F2305/10B01J35/39B01J35/33B01J35/51B01J35/643B01J35/613B01J35/615
Inventor 李卫兵张延光田景王晓东方珂
Owner QINGDAO UNIV OF SCI & TECH