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Received: 2007-05-23

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Journal of Zhejiang University SCIENCE A 2007 Vol.8 No.9 P.1457~1461


Anodic oxidation of salicylic acid at Ta/BDD electrode

Author(s):  ZHANG Juan, CHEN Xue-ming, YAO Pei-dong, CHEN Guo-hua

Affiliation(s):  Environmental Engineering Department, Zhejiang University, Hangzhou 310027, China; more

Corresponding email(s):   chenxm@zju.edu.cn

Key Words:  Salicylic acid (SA), Anodic oxidation, Ta/BDD, Current efficiency (CE), Electrocatalytic activity

ZHANG Juan, CHEN Xue-ming, YAO Pei-dong, CHEN Guo-hua. Anodic oxidation of salicylic acid at Ta/BDD electrode[J]. Journal of Zhejiang University Science A, 2007, 8(9): 1457~1461.

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author="ZHANG Juan, CHEN Xue-ming, YAO Pei-dong, CHEN Guo-hua",
journal="Journal of Zhejiang University Science A",
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%T Anodic oxidation of salicylic acid at Ta/BDD electrode
%A CHEN Xue-ming
%A YAO Pei-dong
%A CHEN Guo-hua
%J Journal of Zhejiang University SCIENCE A
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%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2007.A1457

T1 - Anodic oxidation of salicylic acid at Ta/BDD electrode
A1 - ZHANG Juan
A1 - CHEN Xue-ming
A1 - YAO Pei-dong
A1 - CHEN Guo-hua
J0 - Journal of Zhejiang University Science A
VL - 8
IS - 9
SP - 1457
EP - 1461
%@ 1673-565X
Y1 - 2007
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.2007.A1457

Boron-doped diamond (BDD) film electrodes using Ta as substrates were employed for anodic oxidation of salicylic acid (SA). The effects of operational variables including initial concentration, current density, temperature and pH were examined. The results showed that BDD films deposited on the Ta substrates had high electrocatalytic activity for SA degradation. There was little effect of pH on SA degradation. The current efficiency (CE) was found to be dependent mainly on the initial SA concentration, current density and temperature. Chemical oxygen demand (COD) was reduced from 830 mg/L to 42 mg/L under a current density of 200 A/m2 at 30 °C.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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