PREPARATION OF GO/AC/Ti COMPOSITE ELECTRODE AND ITS ADSORPTION ELECTROLYSIS PERFORMANCE ON METHYL ORANGE

LIU Zhuan-nian; TENG Ying-ying; FAN Yi-dan

doi:10.13205/j.hjgc.202111018

Volume 39 Issue 11

Jan. 2022

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LIU Zhuan-nian, TENG Ying-ying, FAN Yi-dan. PREPARATION OF GO/AC/Ti COMPOSITE ELECTRODE AND ITS ADSORPTION ELECTROLYSIS PERFORMANCE ON METHYL ORANGE[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(11): 143-148. doi: 10.13205/j.hjgc.202111018

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LIU Zhuan-nian, TENG Ying-ying, FAN Yi-dan. PREPARATION OF GO/AC/Ti COMPOSITE ELECTRODE AND ITS ADSORPTION ELECTROLYSIS PERFORMANCE ON METHYL ORANGE[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(11): 143-148. doi: 10.13205/j.hjgc.202111018

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PREPARATION OF GO/AC/Ti COMPOSITE ELECTRODE AND ITS ADSORPTION ELECTROLYSIS PERFORMANCE ON METHYL ORANGE

doi: 10.13205/j.hjgc.202111018

College of Geology and Environment, Xi'an University of Science and Technology, Xi'an 710054, China

Received Date: 2020-11-18
Available Online: 2022-01-26

Abstract

Abstract

Adsorption and electrolysis are two effective methods to remove organics in water. In order to exert the synergistic effect of adsorption and electrolysis on organics, graphene oxide (RGO) with excellent adsorption conductivity and activated carbon (AC) were compounded to obtain composite materials, which were adhered to Ti electrode plate to obtain RGO/AC/Ti composite electrode for the electrolysis of methyl orange in water. The composite and electrode were characterized by SEM, FT-IR, BET, XRD, C-V and EIS. The electrochemical properties of Ti, RGO/Ti and RGO/AC/Ti for methyl orange were investigated. Compared with RGO, the specific surface area of RGO/AC increased from 318.1 m²/g to 405.1 m²/g. Compared with RGO/Ti, the specific capacitance of RGO/AC/Ti electrode decreased slightly, but the capacitance retention increased. When the electrolyte concentration was 0.15 mol/L, the electrode distance was 15 mm, the current was 100 mA and the pH was 6, the removal rates of methyl orange by Ti, RGO/Ti and RGO/AC/Ti electrodes were 48.1%, 79.5% and 88.8%, respectively. Then satisfactory removal effect was obtained. The paper provided a new idea for the treatment of refractory organic wastewater such as dyes.
- reduced graphene oxide,
- activated carbon,
- methyl orange,
- electrochemical oxidation,
- combination electrode

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References(17)

References

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