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Method for preparing particle-catalytic electrode material

A particle catalytic electrode and particle size technology, which is applied in the direction of electrochemical water/sewage treatment, can solve the problems of high energy consumption and low current efficiency, and achieve the effects of low energy consumption, high current efficiency and fast mass transfer speed

Inactive Publication Date: 2009-10-21
BEIJING UNIV OF CHEM TECH
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Problems solved by technology

However, the above-mentioned particle electrodes all have the problems of low current efficiency and high energy consumption when treating wastewater.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A. After washing and soaking the natural mordenite with a particle size of 0.5-1cm, dry it at 100°C;

[0016] B. Add 0.002mol SnCl 4 ·5H 2 O and 0.02mol tetrabutyl titanate were added to 40ml of absolute ethanol, and glacial acetic acid was added to adjust the pH=3, and stirred for 2 hours to obtain a sol;

[0017] C. Immerse the dried natural mordenite in step A in the sol obtained in step B for 12 hours, then dry the natural mordenite at 100°C, place it in a muffle furnace from room temperature at 2°C / min The heating rate was increased to 450 ° C for 2 hours, and naturally cooled to room temperature to obtain a primary supported particle catalyst;

[0018] D. Immerse the once-loaded particle catalyst in the sol obtained in step B for 12 hours, then dry the natural mordenite at 100°C, and place it in a muffle furnace from room temperature to 450°C at a heating rate of 2°C / min. ℃ calcination for 2 hours, and naturally cooled to room temperature to obtain a secondary ...

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Abstract

The invention relates to a method for preparing a particle-catalytic electrode material, which belongs to the technical field of wastewater treatment. The method aims to solve the problems of low current efficiency and high energy consumption of the prior particle-catalytic electrode. The method uses a preprocessed natural mordenite as a carrier and a bicomponent oxide containing Sn and Ti as a load layer to prepare the particle-catalytic electrode material. The particle-catalytic electrode material has the advantages of large area-volume ratio, quick mass transfer velocity, good catalytic effect, high current efficiency, low energy consumption, less investment, wide range of application and the like.

Description

technical field [0001] The invention belongs to the technical field of waste water treatment, in particular to a porous zeolite loaded SnO used for treating refractory organic waste water 2 / TiO 2 Preparation method of particle catalytic electrode. Background technique [0002] With the continuous development of the modern chemical industry, the quantity and types of refractory organic matter entering the water body through various channels have increased sharply, causing serious pollution to the water environment and directly threatening human health. Such pollutants are easy to accumulate in organisms, and they are also likely to become potential pollution sources of water bodies, thereby causing harmful effects such as poisoning and "three-caused" effects on organisms or humans. The treatment of refractory organic wastewater is a research hotspot and difficulty in the field of wastewater treatment. [0003] Researchers have proposed many treatment methods for refractor...

Claims

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Application Information

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IPC IPC(8): C02F1/46
Inventor 魏刚辛岳红魏云鹏金广见施亮
Owner BEIJING UNIV OF CHEM TECH
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