MODIFICATION OF ACTIVATED CARBON PARTICLE ELECTRODE AND ITS ELECTROCATALYTIC PROPERTIES

HU Jun-sheng; SU Bo; WU Shuai; YU Hang; GUO Jin-tong; ZHANG Tian-qi

doi:10.13205/j.hjgc.202008023

Volume 38 Issue 8

Nov. 2020

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2020 > 38(8): 136-141

HU Jun-sheng, SU Bo, WU Shuai, YU Hang, GUO Jin-tong, ZHANG Tian-qi. MODIFICATION OF ACTIVATED CARBON PARTICLE ELECTRODE AND ITS ELECTROCATALYTIC PROPERTIES[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(8): 136-141. doi: 10.13205/j.hjgc.202008023

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HU Jun-sheng, SU Bo, WU Shuai, YU Hang, GUO Jin-tong, ZHANG Tian-qi. MODIFICATION OF ACTIVATED CARBON PARTICLE ELECTRODE AND ITS ELECTROCATALYTIC PROPERTIES[J]. ENVIRONMENTAL ENGINEERING , 2020, 38(8): 136-141. doi: 10.13205/j.hjgc.202008023

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MODIFICATION OF ACTIVATED CARBON PARTICLE ELECTRODE AND ITS ELECTROCATALYTIC PROPERTIES

doi: 10.13205/j.hjgc.202008023

School of Municipal and Environmental Engineering, Shenyang Jianzhu University, Shenyang 110168, China

Received Date: 2019-11-01

Abstract

Abstract

Aiming at the problems of low electrocatalytic performance and large power consumption of particle electrodes, metal-supported activated carbon particle electrodes were prepared by impregnation with columnar activity (AC) as the carrier. The optimal preparation conditions were explored by orthogonal experiments, and Bohem Back Titration Method and SEM were applied for characterization of modified activated carbon. The orthogonal experiments showed that the electrocatalytic performance of the particle electrode was affected by the impregnation time more than by the impregnation concentration, roasting time, and roasting temperature. Morphology of particle electrodes varied greatly under different preparation condition. The particle electrode immersed in a 0.1 mol/L immersion liquid for 12 h and then calcined at 400 ℃ for 4 h, using in the three-dimensional electrode reactor, had a removal rate of 86% for reactive brilliant red X-3B;the COD removal rate reached 66%. Compared with original activated carbon, the dye removal rate increase by 5.29 percents, the COD removal rate increase by 10.12 percents, and the energy consumption decrease by 13%. Ni/AC particle electrode could improve the electrocatalytic performance of metal modified activated carbon particles and reduce energy consumption.
- reactive brilliant red X-3B,
- modified activated carbon,
- electrocatalytic performance,
- energy consumption

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References

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