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A kind of nickel foam supported zinc titanate/tourmaline photocatalytic material and preparation method thereof

A catalytic material, zinc titanate technology, applied in chemical instruments and methods, physical/chemical process catalysts, metal/metal oxide/metal hydroxide catalysts, etc., can solve harsh catalytic regeneration conditions, poor ceramic tensile strength , small effective area and other problems, to achieve the effect of improving photocatalytic capacity, low manufacturing cost, and no secondary pollution

Active Publication Date: 2020-12-08
HARBIN UNIV OF COMMERCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this method, zinc titanate is combined with ceramics, and the density of ceramics is relatively high, which is easy to deposit, and the effective area exposed to light in the process of photodegradation and catalysis is small; it is easy to be polluted, and the catalytic regeneration conditions are harsh after being polluted; Poor tensile strength, can not be molded in use

Method used

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  • A kind of nickel foam supported zinc titanate/tourmaline photocatalytic material and preparation method thereof
  • A kind of nickel foam supported zinc titanate/tourmaline photocatalytic material and preparation method thereof
  • A kind of nickel foam supported zinc titanate/tourmaline photocatalytic material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] A kind of preparation method of nickel foam supported zinc titanate / tourmaline photocatalytic material

[0050] Soak nickel foam (2cm×5cm) in absolute ethanol for 20min, then take it out, rinse it with deionized water, then soak it in 0.1mol / L dilute hydrochloric acid for 10min, after taking it out, ultrasonically clean it with deionized water Wash for 20 minutes, dry at 80°C for 5 hours and set aside;

[0051] ZnTiO 3 , tourmaline and SiO 2 Mix evenly according to the mass ratio: 1:0.03:1.2, then put it into an agate mortar and grind for 10 minutes;

[0052] Mix polytetrafluoroethylene (PTFE) and absolute ethanol at a volume ratio of 1:5, then magnetically stir for 4 minutes to form a uniform suspension A; under the condition of magnetic stirring, grind the zinc titanate / electric Stone / SiO 2 Put the mixed powder into the above-mentioned suspension A, and continue to stir for 5 minutes to form a uniform suspension B;

[0053] The suspension B is evenly coated on th...

Embodiment 2

[0055] A kind of preparation method of nickel foam supported zinc titanate / tourmaline photocatalytic material

[0056] Soak nickel foam (2cm×5cm) in absolute ethanol for 20min, then take it out, rinse it with deionized water, then soak it in 0.1mol / L dilute hydrochloric acid for 10min, after taking it out, ultrasonically clean it with deionized water Wash for 20 minutes, dry at 80°C for 5 hours and set aside;

[0057] ZnTiO 3 , tourmaline and SiO 2 Mix evenly according to the mass ratio: 1:0.03:1, then put it into an agate mortar and grind for 10 minutes;

[0058] Mix polytetrafluoroethylene (PTFE) and absolute ethanol at a volume ratio of 1:5, then magnetically stir for 4 minutes to form a uniform suspension A; under the condition of magnetic stirring, grind the zinc titanate / electric Stone / SiO 2 Put the mixed powder into the above-mentioned suspension A, and continue to stir for 5 minutes to form a uniform suspension B;

[0059] The suspension B is evenly coated on the ...

Embodiment 3

[0061] A kind of preparation method of nickel foam supported zinc titanate / tourmaline photocatalytic material

[0062] Soak nickel foam (2cm×5cm) in absolute ethanol for 20min, then take it out, rinse it with deionized water, then soak it in 0.1mol / L dilute hydrochloric acid for 10min, after taking it out, ultrasonically clean it with deionized water Wash for 20 minutes, dry at 80°C for 5 hours and set aside;

[0063] ZnTiO 3 , tourmaline and SiO 2 Mix evenly according to the mass ratio: 1:0.03:0.8, then put it into an agate mortar and grind for 10 minutes;

[0064]Mix polytetrafluoroethylene (PTFE) and absolute ethanol at a volume ratio of 1:5, then magnetically stir for 4 minutes to form a uniform suspension A; under the condition of magnetic stirring, grind the zinc titanate / electric Stone / SiO 2 Put the mixed powder into the above-mentioned suspension A, and continue to stir for 5 minutes to form a uniform suspension B;

[0065] The suspension B is evenly coated on the...

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Abstract

The invention relates to a nickel foam loaded zinc titanate / tourmaline photocatalytic material and a preparation method thereof. The nickel foam is used as a matrix, and a zinc titanate / / tourmaline light / template agent mixed suspension is evenly coated with a thin layer to form a titanium The zinc acid / tourmaline / template agent composite carrier is soaked and dissolved in the template agent eluate and then dried to form a foamed nickel-loaded zinc titanate / tourmaline photocatalytic material. First, polytetrafluoroethylene (PTFE) and ethanol are used to form suspension A, and then a certain proportion of zinc titanate, tourmaline, and template agent are put into suspension A to form suspension B, and then the suspension is Liquid B is evenly coated on the nickel foam, and after drying, it is soaked in the template agent dissolution solution to dissolve the template agent, then rinsed with deionized water and dried, and finally the loaded nickel foam is loaded with zinc titanate / electrical Stone photocatalytic materials. The invention realizes the preparation of foamed nickel-loaded zinc titanate / tourmaline photocatalytic materials. The bonding force between the materials is strong. The obtained product has high catalytic activity for the degradation of organic matter under the ultraviolet light section, and has long service life. It has significant advantages such as easy recycling and no secondary pollution; the entire process is simple to operate, has a short cycle, saves energy and has low manufacturing cost. The invention relates to a water treatment photocatalytic material.

Description

technical field [0001] The invention relates to a photocatalytic material for water treatment, a nickel-foamed zinc titanate / tourmaline photocatalytic material and a preparation method thereof. Background technique [0002] Nano-TiO 2 Powder has been proved to be an efficient, non-toxic and stable photocatalytic material in recent years' research, and it has good photocatalytic activity in both liquid phase reaction and gas phase reaction, but due to TiO 2 The band gap is wide (3.2eV anatase phase, 3.0eV rutile phase), so that it can only absorb ultraviolet light which accounts for very little of the total energy of sunlight. At the same time due to TiO 2 Photogenerated electrons and holes recombine quickly, resulting in low photon quantum efficiency. At present, researchers use methods such as transition metal ion doping and semiconductor recombination to broaden its photoresponse region and inhibit the recombination of photogenerated electrons and holes to improve its p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J23/80B01J35/04C02F1/32C02F101/30
CPCC02F1/32B01J23/002B01J23/80C02F2305/10C02F2101/305C02F2101/308B01J35/56B01J35/39
Inventor 李俊生关天宇左金龙谭冲夏至
Owner HARBIN UNIV OF COMMERCE
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