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A kind of preparation method and application of ruthenium oxide-antimony trioxide/carbon nanotube electrode material

An electrode material, thermal oxidation technology, applied in metal/metal oxide/metal hydroxide catalysts, chemical instruments and methods, chemical/physical processes, etc. The effect of promoting absorption, improving efficiency, and efficient synergy

Active Publication Date: 2021-06-01
FUZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the difficulty of this technology is the need to construct catalytic electrode materials with excellent electrocatalytic and photocatalytic properties.
Antimony trioxide is a semiconductor material with a band gap of 3ev. Although it is an excellent photocatalyst, Sb 2 o 3 Possesses low electrical conductivity and poor electrocatalytic ability

Method used

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  • A kind of preparation method and application of ruthenium oxide-antimony trioxide/carbon nanotube electrode material
  • A kind of preparation method and application of ruthenium oxide-antimony trioxide/carbon nanotube electrode material
  • A kind of preparation method and application of ruthenium oxide-antimony trioxide/carbon nanotube electrode material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] a RuO 2 -Sb 2 o 3 The preparation and application of electrodes as photoelectrocatalytic materials includes the following steps:

[0030] (1) prepare 1mol / L antimony trichloride ethanol solution and 1mol / L ruthenium trichloride (containing ruthenium is 37wt%) ethanol solution, the two are mixed by molar ratio Ru:Sb=1:9.7 ultrasonic 10min; Then add ammonia water for titration, adjust the mixed solution to pH=8;

[0031] (2) Heat and stir the prepared mixed solution in a water bath at 80°C; then pour it into a hydrothermal reaction kettle and react at 100°C for 24 h, then put it into a centrifuge for centrifugation, take it out and wash it with ethanol and distilled water respectively The precipitate was filtered and washed, dried in an oven at 80°C for 12 h, and the mixed powder was obtained after grinding;

[0032](3) Dissolving the solid mixed powder obtained in step (2) in an ethanol solution to prepare a solution with a total concentration of Ru and Sb of 1 mol / L...

Embodiment 2

[0036] a RuO 2 -Sb 2 o 3 The preparation and application of / CNTs electrodes as photoelectrocatalytic materials include the following steps:

[0037] (1) prepare 1mol / L antimony trichloride ethanol solution and 1mol / L ruthenium trichloride (containing ruthenium is 37wt%) ethanol solution, the two are mixed by molar ratio Ru:Sb=1:9.7 ultrasonic 10min; Then add ammonia water for titration, adjust the mixed solution to pH=8;

[0038] (2) Heat and stir the prepared mixed solution in a water bath at 80°C; then pour it into a hydrothermal reaction kettle and react at 100°C for 24 h, then put it into a centrifuge for centrifugation, take it out and wash it with ethanol and distilled water respectively The precipitate was filtered and washed, dried in an oven at 80°C for 12 h, and the mixed powder was obtained after grinding;

[0039] (3) Dissolve the solid mixed powder obtained in step (2) in an ethanol solution, and prepare a solution with a total concentration of Ru and Sb of 1...

Embodiment 3

[0043] a RuO 2 -Sb 2 o 3 The preparation and application of / CNTs electrodes as photoelectrocatalytic materials include the following steps:

[0044] (1) prepare 1mol / L antimony trichloride ethanol solution and 1mol / L ruthenium trichloride (containing ruthenium is 37wt%) ethanol solution, the two are mixed by molar ratio Ru:Sb=1:9.7 ultrasonic 10min; Then add ammonia water for titration, adjust the mixed solution to pH=8;

[0045] (2) Heat and stir the prepared mixed solution in a water bath at 80°C; then pour it into a hydrothermal reaction kettle and react at 100°C for 24 h, then put it into a centrifuge for centrifugation, take it out and wash it with ethanol and distilled water respectively The precipitate was filtered and washed, dried in an oven at 80°C for 12 h, and the mixed powder was obtained after grinding;

[0046] (3) Dissolve the solid mixed powder obtained in step (2) in an ethanol solution, and prepare a solution with a total concentration of Ru and Sb of 1...

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Abstract

The invention discloses a RuO 2 -Sb 2 o 3 / CNTs electrode material preparation and application. Sb 2 o 3 Belonging to semiconductor materials, it is a kind of photocatalytic material with application potential, RuO 2 With good oxygen and chlorine evolution activity, it is an excellent electrocatalytic active electrode, and the conductivity of the electrode material is improved by adding different contents of carbon nanotubes. The generation and separation of charge carriers, so the photoelectrocatalytic performance of the electrode material is improved. Aiming at the characteristics of high chroma and difficulty in biodegradation of rose red printing and dyeing wastewater, the present invention can effectively remove it by utilizing the advantages of sunlight-driven reaction, mild reaction conditions, high stability and no secondary pollution, which is an ideal environmental pollution control technology.

Description

technical field [0001] The invention belongs to the technical field of photoelectric catalytic degradation of organic solutions, in particular to a RuO 2 -Sb 2 o 3 Preparation and application of CNTs electrodes as photoelectrocatalytic materials. Background technique [0002] With the rapid development of industry, the problem of water pollution has become a major problem affecting human production, life and even survival. Among them, the proportion of refractory organic matter is relatively large, and the effect of biodegradation of organic wastewater is poor. However, photocatalytic and electrocatalytic oxidation methods are easy to control and have no difference. It has a good removal effect on high-concentration organic wastewater, showing a good application prospect. However, electrocatalysis and photocatalysis are two different advanced oxidation technologies, both of which have distinct catalytic properties and different forms of energy conversion. If these two ad...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J23/644B01J35/10C02F1/32C02F1/461C02F101/34C02F101/36
CPCB01J23/002B01J23/6445B01J35/0033B01J35/004B01J35/10B01J35/1004C02F1/32C02F1/46109C02F2001/46133C02F2101/308C02F2101/34C02F2101/36C02F2305/10
Inventor 邵艳群张燕斌魏新利贺四江叶章豪张容容林雨婷陈孔发
Owner FUZHOU UNIV
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