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Attapulgite-loaded full-spectrum response photocatalyst material and preparation method thereof

A technology of attapulgite and attapulgite, which is applied in the field of attapulgite-loaded full-spectrum response photocatalyst materials and its preparation, can solve the problems of low solar energy utilization rate, inability to fully absorb solar energy, and inability to effectively use near-infrared light to achieve enhanced Catalytic efficiency, degradation of air pollutants, and strong permeability

Active Publication Date: 2017-10-13
苏州尼普环境科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Ordinary photocatalyst filters are only loaded with one kind of photocatalyst, or can only absorb ultraviolet light or visible light, and cannot effectively use near-infrared light; or can only absorb part of the light energy and cannot fully absorb solar energy
In order to overcome the shortcoming of low utilization rate of solar energy, the present invention discloses a full-spectrum photocatalyst air purification net that can absorb and utilize ultraviolet light, visible light and near ultraviolet light; the air purification net can be built into air purifiers, air conditioning ventilation systems or Place directly in the indoor space for air purification

Method used

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Examples

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preparation example Construction

[0032] The embodiment of the present invention also provides a preparation method of attapulgite-loaded full-spectrum response photocatalyst material, comprising the following steps:

[0033] Step 1: Add soluble bismuth salt to soluble chloride salt, then adjust the pH of the mixed solution to alkaline and add attapulgite, then adjust the pH of the solution to alkaline and add attapulgite, then place the mixed solution in an airtight container React at 100-180°C for 6-10 hours, and filter to obtain a porous attapulgite material containing bismuth oxychloride;

[0034] Step 2: adding soluble bismuth salt to soluble bromide salt, then adjusting the pH of the mixed solution to alkaline and adding the porous attapulgite material containing bismuth oxychloride prepared in step 1, and then placing the mixed solution in an airtight container React at 100-180°C for 6-10 hours to prepare a porous attapulgite material containing bismuth oxychloride and bismuth oxybromide;

[0035] Step...

Embodiment 1

[0058] Step 1: Add 15mL 0.01mol / L bismuth nitrate to 15mL 0.03mol / L sodium chloride solution, use 10mL0.01mol / L NaOH to adjust the pH of the solution to alkaline and add 10g of attapulgite, then place the mixed solution in React in a closed container at 180°C for 6 hours, and filter to obtain a porous attapulgite material containing bismuth oxychloride;

[0059] Step 2: Add 15mL 0.01mol / L bismuth nitrate to 15mL 0.03mol / L sodium bromide solution, use 10mL 0.01mol / L NaOH to adjust the pH of the solution to be alkaline and add 10g of the chlorine-containing oxidant prepared in step 1 The porous attapulgite material of bismuth, and then put the mixed solution in a closed container and react at 180°C for 6 hours to prepare the porous attapulgite material containing bismuth oxychloride and bismuth oxybromide;

[0060] Step 3: Add 15mL 0.01mol / L bismuth nitrate to 15mL 0.03mol / L sodium iodide solution, use 10mL 0.01mol / L NaOH to adjust the pH of the solution to be alkaline and add 1...

Embodiment 2

[0063] Step 1: Add 10mL 0.1mol / L bismuth nitrate to 10mL 0.3mol / L sodium chloride solution, use 10mL0.1mol / L NaOH to adjust the pH of the solution to alkaline and add 10g of attapulgite, then place the mixed solution in React in a closed container at 100°C for 10 hours, and filter to obtain a porous attapulgite material containing bismuth oxychloride;

[0064] Step 2: Add 10mL 0.1mol / L bismuth nitrate to 10mL 0.3mol / L sodium bromide solution, use 10mL 0.1mol / L NaOH to adjust the pH of the solution to be alkaline and add 10g of the chlorine-containing oxidant prepared in step 1 The porous attapulgite material of bismuth, and then put the mixed solution in a closed container and react at 100°C for 10 hours to prepare the porous attapulgite material containing bismuth oxychloride and bismuth oxybromide;

[0065] Step 3: Add 10mL 0.1mol / L bismuth nitrate to 10mL 0.3mol / L sodium iodide solution, use 10mL0.1mol / L NaOH to adjust the pH of the solution to be alkaline and add 10g of th...

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Abstract

The invention discloses an attapulgite-loaded full-spectrum response photocatalyst material and a preparation method thereof. The material is prepared from an attapulgite matrix, and bismuth oxychloride, bismuth oxybromide, bismuth oxyiodide and copper bismuthate which are loaded in a gap and on the surface of the matrix, wherein the content of the bismuth oxychloride is 1.0 weight percent to 10 weight percent; the content of the bismuth oxybromide is 1.0 weight percent to 10 weight percent; the content of the bismuth oxyiodide is 1.0 weight percent to 10 weight percent; the content of the copper bismuthate is 1.0 weight percent to 10 weight percent; the composite material disclosed by the invention has full-spectrum photocatalytic response on ultraviolet light, visible light and near-infrared light. The attapulgite-loaded full-spectrum response photocatalyst material provided by the invention can be used for preparing an air purification net and has relatively strong adhesion force; changes, caused by the environment, of the material are relatively small and the contact area between the material and the air is large; the attapulgite-loaded full-spectrum response photocatalyst material has strong permeability, an attached compound photocatalyst is used for fully absorbing sunlight, the utilization rate of solar energy is improved and the catalysis efficiency is enhanced, so that air pollutants can be effectively degraded.

Description

technical field [0001] The invention relates to an attapulgite-loaded full-spectrum response photocatalyst material and a preparation method thereof, belonging to the technical field of environmental protection. Background technique [0002] Photocatalyst can be applied to air purification. Ordinary photocatalyst filters are only loaded with one kind of photocatalyst, or can only absorb and utilize ultraviolet light or visible light, and cannot effectively utilize near-infrared light; or can only absorb and utilize part of light energy but cannot fully absorb solar energy. In order to overcome the shortcoming of low utilization rate of solar energy, the present invention discloses a full-spectrum photocatalyst air purification net that can absorb and utilize ultraviolet light, visible light and near ultraviolet light; the air purification net can be built into air purifiers, air conditioning ventilation systems or Place directly in indoor space for air purification. Conte...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J27/06B01J35/10B01D53/88
CPCB01D53/88B01J27/06B01D2258/06B01J35/39B01J35/657
Inventor 刘守清周姗姗
Owner 苏州尼普环境科技有限公司
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