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Novel photocatalyst, and preparation method and application thereof

A photocatalyst and photocatalytic technology, applied in chemical instruments and methods, physical/chemical process catalysts, metal/metal oxide/metal hydroxide catalysts, etc., to achieve environmental protection treatment, excellent catalytic effect, and low cost Effect

Active Publication Date: 2022-02-18
CHONGQING UNIV OF EDUCATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For example, ZnM-LDHs (M=Ti, Cr, Fe), MCr-LDHs (M=Ni, Co, Cu), etc. Experiments show that these materials are very promising visible light active photocatalysts for pollutant degradation and water splitting, And the Sn with cubic structure 1 / 3 Na 2 / 3 Sn(OH) 6 Haven't seen any reports yet

Method used

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  • Novel photocatalyst, and preparation method and application thereof
  • Novel photocatalyst, and preparation method and application thereof
  • Novel photocatalyst, and preparation method and application thereof

Examples

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Embodiment 1

[0032] A Novel Bimetallic Hydroxide Sn 1 / 3 Na 2 / 3 Sn(OH) 6 The preparation method of photocatalyst, concrete operation is as follows:

[0033] (1) Prepare materials, weigh 4mmol NaOH, 0.4mmol SnCl 4 ·5H 2 0, 18ml absolute ethanol and 6ml ultrapure water, standby;

[0034] (2) mixing, the NaOH, SnCl weighed in the step (1) 4 ·5H 2 O is put into the reactor, then the absolute ethanol and ultrapure water taken in the step (1) are added in the reactor, and four kinds of raw materials are ultrasonically mixed with an ultrasonic machine, and the ultrasonic frequency is controlled at 40KHZ, and the ultrasonic mixing time is 10min until the solution is evenly mixed to obtain the precursor;

[0035] (3) Reaction, reacting the precursor in step (2) at a reaction temperature of 160° C. for 48 hours;

[0036] (4) Treatment, after the reaction in step (3) is finished, cool naturally to room temperature, wash the reaction product in the reactor with distilled water for 3-4 times, pu...

Embodiment 2— Embodiment 16

[0038] The proportioning of raw materials in embodiment 2-embodiment 16, reaction parameter and the proportioning of raw material in embodiment 1, difference in reaction parameter are as shown in table 1:

[0039]

[0040] Table 1

[0041] According to the raw material ratio and preparation parameters recorded in Table 1, and referring to the preparation steps in Example 1, the new photocatalyst products of Example 2-Example 16 can be obtained, and the examples 2-16 relate to those not recorded in Table 1 The data are all the same as those described in Example 1.

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Abstract

The invention provides a novel photocatalyst. The photocatalyst is a novel bimetal hydroxide Sn1 / 3Na2 / 3Sn(OH)6. The novel photocatalyst has a special structure, can be applied to photocatalytic degradation of organic pollutants, has good activity of photocatalytic degradation of the organic pollutants, and is stable in photocatalytic property.

Description

technical field [0001] The invention relates to the technical field of photocatalysts, in particular to a novel photocatalyst, a preparation method of the novel photocatalyst and an application thereof. Background technique [0002] With the development of the world economy, the increasing energy consumption and the dependence on fossil energy have brought about two important problems, namely energy shortage and environmental pollution. [0003] The high temperature and high pressure conditions required for industrial production of chemicals, as well as the huge energy consumption and environmental pollution they bring account for a significant proportion. On this basis, clean and pollution-free solar energy has a wide range of applications in solving energy and environmental problems; therefore, photocatalytic reactions using the reduction and oxidation of photogenerated electrons and holes can effectively solve energy consumption and pollution problems. [0004] At presen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J23/14C02F1/30C02F101/30C02F101/34C02F101/38C02F101/36
CPCB01J23/14C02F1/30C02F2305/10C02F2101/30C02F2101/345C02F2101/38C02F2101/36B01J35/39Y02W10/37
Inventor 李园园蒲红争周颖任彦荣
Owner CHONGQING UNIV OF EDUCATION
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