Removal of antipyrine through two-dimensional and three-dimensional electrolysis: comparison, modification, and improvement.

Environmental Science and Pollution Research International
Pengxiao LiuLing Feng

Abstract

In this work, removal of antipyrine was studied through two-dimensional (2D) and three-dimensional (3D) electrolysis. 2D electrolysis was firstly studied with the Ti/SnO2-Ta2O5-IrO2 anode as working electrode. Operating parameters affecting antipyrine removal, such as current density, electrode distance, and initial concentration of antipyrine, were investigated and optimized. As the limited antipyrine removal efficiency of 48.0% was not satisfying, 3D electrolysis with γ-Al2O3 as particle electrodes was introduced in the purpose of improving the antipyrine removal. An obviously enhanced removal efficiency of 78.3% was obtained, which seemingly validated the effect of particle electrodes in improving antipyrine removal. Hence, an effort to further enhance the antipyrine removal efficiency was made through improving the electrochemical characteristics of γ-Al2O3 as particle electrodes. Modified Sn-Sb-Bi/γ-Al2O3 particles were thus prepared through impregnation method. And a desirable antipyrine removal efficiency of 94.4% and energy consumption of 0.18 kWh/g antipyrine were achieved in the 3D electrolysis with Sn-Sb-Bi/γ-Al2O3 as particle electrodes. Furthermore, possible mechanism and pathway of antipyrine degradation in 3D ele...Continue Reading

References

May 31, 2003·Environmental Science & Technology·Brittan A WilsonCynthia K Larive
Nov 6, 2017·The Lancet Infectious Diseases·Evelina TacconelliUNKNOWN EPI-Net COMBACTE-MAGNET Group
Sep 11, 2018·Journal of Colloid and Interface Science·Ying ZhangFaqin Dong
Oct 17, 2018·Journal of Hazardous Materials·Wenquan SunHuaili Zheng
Jan 13, 2019·Environmental Science and Pollution Research International·Josué Daniel García-Espinoza, Petia Mijaylova Nacheva
Feb 25, 2019·Environmental Science and Pollution Research International·Meng ZhangZhaoyong Bian
Jul 6, 2019·Environmental Science and Pollution Research International·Amina OthmaniManuel Valiente

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