Electro-oxidation of Sulfide on Ti/RuO2 Electrode in an Aqueous Alkaline Solution

被引：0
|
作者：
Wang, Longyao [1 ]
Lu, Peng
Liu, Chen
Wang, Lan
机构：
[1] Changzhou Univ, Sch Petrochem Engn, Adv Catalysis & Green Mfg Collaborat Innovat Ctr, Changzhou 213164, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2015年 / 10卷 / 10期
基金：
产业技术研究与开发资金项目;
关键词：
electrochemical methods; sulfur oxides (SOx); electrolysis; pollutants; process optimization; ELECTROCHEMICAL OXIDATION; ELECTROCATALYTIC OXIDATION; HYDROGEN-SULFIDE; OSCILLATIONS;
D O I：
暂无
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
The electro-oxidation processes of sulfide at Ti/RuO2 anode in alkaline solution are investigated. The experiment results indicated that the electro-oxidation process of sulfide is irreversible, and the control step is mass diffusion. The final electro-oxidation product is mainly SO42- (95.8%), while S2O32- + SO32- is 3% and sulfur is 1.2% under the experiment conditions (0.023M Na2S, 25mA.cm(-2), pH 13, 20 degrees C). The SEM results show that the sulfur deposit on the surface of anode with porous structure, and the XRD results confirm that the sulfur is alpha-S-8. Michaelis-Menten equation can be used to describe the electro-oxidation process, and the values of V-max (0.011 mol.L-1. h(-1)) and K-m (0.010 mol.L-1. h(-1)) are put forward.
引用
收藏
页码：8374 / 8384
页数：11
相关论文
共 50 条
  • [41] Electro-oxidation of ethanol in Ti/IrO2.
    Fidelis, CHV
    Donate, PM
    de Andrade, AR
    QUIMICA NOVA, 2001, 24 (01): : 43 - 46
  • [42] Promotional impact of RuO2 on CuO/Al2O3 bifunctional catalyst towards electro-oxidation of hydrazine and water
    Khan, Safia
    Arshad, Javeria
    Arshad, Ifzan
    Aftab, Saima
    Shah, Syed Sakhawat
    Lee, Shern-long
    Janjua, Naveed Kausar
    Yusuf, Kareem
    Li, Hu
    INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 2025, 107 : 359 - 368
  • [43] Electro-oxidation of chlorophenols at a gold electrode
    Ureta-Zañartu, MS
    Bustos, P
    Diez, MC
    Mora, ML
    Gutiérrez, C
    ELECTROCHIMICA ACTA, 2001, 46 (16) : 2545 - 2551
  • [44] Electro-oxidation at a coated iridium electrode
    Hefny, MM
    AbdelWanees, S
    ELECTROCHIMICA ACTA, 1996, 41 (09) : 1419 - 1422
  • [45] Electro-oxidation at a coated iridium electrode
    UAE Univ, Al Ain, United Arab Emirates
    Electrochim Acta, 9 (1419-1422):
  • [46] RuO2/activated carbon composites as a positive electrode in an alkaline electrochemical capacitor
    Su Yue-feng
    Wu Feng
    Bao Li-ying
    Yang Zhao-hui
    NEW CARBON MATERIALS, 2007, 22 (01) : 53 - 58
  • [47] Preparation of Ti/CeO2-PTFE-PbO2 electrode and its electro-oxidation performance
    Wang, Xunhua
    Zhou, Qi
    Zhang, Rong
    Tong, Shaoping
    Ma, Chun'an
    Huagong Xuebao/CIESC Journal, 2010, 61 (05): : 1190 - 1195
  • [48] Electrochemical oxidation of polyvinyl alcohol using a RuO2/Ti anode
    Kim, S
    Kim, TH
    Park, C
    Shin, EB
    DESALINATION, 2003, 155 (01) : 49 - 57
  • [49] Electro-oxidation of methanol on SnO2-promoted Pd/MWCNTs catalysts in alkaline solution
    Ren, Yanbiao
    Zhang, Shichao
    Li, He
    INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 2014, 39 (01) : 288 - 296
  • [50] Electro-oxidation of 2-propanol on platinum in alkaline electrolytes
    Markiewicz, Matthew E. P.
    Hebert, Dominique M.
    Bergens, Steven H.
    JOURNAL OF POWER SOURCES, 2006, 161 (02) : 761 - 767
12345