Particle electrode catalytic filler and preparation method thereof

A technology of particle electrodes and catalytic fillers, applied in chemical instruments and methods, water treatment of special compounds, water/sewage treatment, etc., can solve the problem of low catalytic activity of activated carbon three-dimensional particles, unsuitable for strong acid and strong alkaline wastewater, unfavorable promotion and Application and other issues, to achieve the effect of shortening the migration distance, reducing the recombination rate, and increasing the effective electrode area

Inactive Publication Date: 2018-11-06
JIANGSU UNIVERSITY OF TECHNOLOGY
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] At present, the particle electrodes used in the prior art have the following problems: (1) The supported molecular sieve has a relatively serious catalyst loss problem, and its acid and alkali resistance is poor, so it is not suitable for strong acid and strong alkaline wastewater; (2) The supported ceramic surface Covering and stripping by organic matter causes the loss of active components, and ceramics are expensive, which is not conducive to popularization and application; (3) There are also problems such as low catalytic activity of loaded activated carbon three-dimensional particles

Method used

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  • Particle electrode catalytic filler and preparation method thereof
  • Particle electrode catalytic filler and preparation method thereof
  • Particle electrode catalytic filler and preparation method thereof

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Embodiment 1

[0027] Embodiment 1, preparation method of particle electrode catalytic packing of three-dimensional electrolysis-photocatalysis coupled reactor: (1) pretreatment of activated carbon: sieve raw activated carbon to between 80-100 mesh, put the activated carbon after screening into 0.02 Soak in mol / L hydrochloric acid solution for 20 minutes and wash until neutral, then soak the activated carbon in 0.02 mol / L NaOH solution for 20 minutes, filter after cooling, clean with ultrasonic vibration, and then wash with distilled water several times until the cleaning liquid Pure, and finally put the treated activated carbon into an oven to dry at 80°C, take it out and cool it after 12 hours, and get the pretreated activated carbon for later use;

[0028] (2)AC / TiO 2 Preparation of particle electrode: Mix 100ml tetrabutyl titanate and 200ml absolute ethanol at room temperature, stir at a speed of 100r / min, and stir for 5min to form a light yellow clear solution A; then mix 180ml absolute...

Embodiment 2

[0032]Example 2, the preparation method of the particle electrode catalytic packing of the three-dimensional electrolysis-photocatalysis coupling reactor: (1) pretreatment of activated carbon: the raw activated carbon is screened to between 80-100 mesh, and the activated carbon after screening is put into 0.01 Soak in mol / L hydrochloric acid solution for 30 minutes and wash until neutral, then soak activated carbon in 0.01mol / L NaOH solution for 30 minutes, filter after cooling, clean with ultrasonic vibration, and then wash with distilled water several times until the cleaning solution is pure , and finally put the treated activated carbon into an oven to dry at 100°C, take it out and cool it after 12 hours, and obtain the pretreated activated carbon for future use;

[0033] (2)AC / TiO 2 Preparation of particle electrodes: Mix 110ml tetrabutyl titanate and 220ml absolute ethanol at room temperature, stir at a speed of 100r / min, and stir for 5min to form a light yellow clear so...

Embodiment 3

[0037] Embodiment 3, the preparation method of particle electrode catalytic packing of three-dimensional electrolysis-photocatalysis coupled reactor: (1) Pretreatment of activated carbon: use a sieve to sieve the raw activated carbon to between 80-100 mesh, put the activated carbon after screening into 0.01 Soak in mol / L hydrochloric acid solution for 40 minutes and wash until neutral, then soak the activated carbon in 0.01mol / L NaOH solution for 40 minutes, filter after cooling, clean with ultrasonic vibration, and then wash with distilled water several times until the cleaning liquid Pure, and finally put the treated activated carbon into an oven to dry at 110°C, take it out and cool it after 12 hours, and get the pretreated activated carbon for later use;

[0038] (2)AC / TiO 2 Preparation of the particle electrode: Mix 120ml tetrabutyl titanate and 240ml absolute ethanol at room temperature, stir at a speed of 100r / min, and stir for 6min to form a light yellow clear solution...

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Abstract

The invention relates to particle electrode catalytic filler of a three-dimensional electrolysis-photocatalysis coupling reactor and a preparation method thereof. The particle electrode filler is prepared from TiO2 loaded activated carbon and film coated activated carbon, wherein a mass percent of the TiO2 loaded activated carbon is 70 to 80%, a mass percent of the film coated activated carbon is20 to 30%, the TiO2 loaded activated carbon is prepared by the steps of pretreating activated carbon by acid and base and loading a semiconductor, and the film coated activated carbon is prepared by the steps of pretreating activated carbon by acid and base and dipping the activated carbon by a cellulose acetate solution.

Description

technical field [0001] The invention belongs to the field of water treatment and water pollution prevention and control, and in particular relates to a particle electrode catalytic filler for a three-dimensional electrolysis-photocatalysis coupling reactor and a preparation method thereof. Background technique [0002] Chemical, dye, plastic, pharmaceutical and other factories produce a variety of organic wastewater that is difficult to biodegrade. These pollutants have stable chemical properties, high chemical oxygen consumption, and are easy to accumulate in organisms, which are toxic to humans and other organisms. Its stable chemical structure and biological toxicity hinder the metabolism of microorganisms and are difficult to remove by microorganisms. [0003] Electrochemical treatment of this type of wastewater has the advantages of less chemical consumption, simple operation, and environmental friendliness. It is a green technology with advanced technology and no secon...

Claims

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Application Information

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IPC IPC(8): C02F1/461
CPCC02F1/46109C02F2001/46142C02F2305/10
Inventor 高永周俊我李婷婷傅小飞张曼莹赵蓉宁黄景阳董漪
Owner JIANGSU UNIVERSITY OF TECHNOLOGY
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