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Electrochemical treatment of effluents: A preliminary study of anodic oxidation of simple sugars using lead dioxide‐coated titanium anodes

 

作者: C. C. Ho,   C. Y. Chan,   K. H. Khoo,  

 

期刊: Journal of Chemical Technology&Biotechnology  (WILEY Available online 1986)
卷期: Volume 36, issue 1  

页码: 7-14

 

ISSN:0268-2575

 

年代: 1986

 

DOI:10.1002/jctb.280360103

 

出版商: John Wiley&Sons, Ltd.

 

关键词: Electrochemical effluent treatment;anodic oxidation;lead dioxide—titanium anode;simple sugars

 

数据来源: WILEY

 

摘要:

AbstractThe electrolysis of simple sugar solutions, containing 0.5% NaCl or Na2SO4, using lead dioxide‐coated titanium mesh anodes in a simple electroflotation cell indicated that electrode corrosion and dissolution of polluting Pb2+ions from the electrode material were negligible even after prolonged use; the sugars were concomitantly electrooxidised at such anodes. The rate of electrooxidation followed linear removal kinetics and the relative ease of electrochemical destruction was in the order sucrose>maltose∼glucose. Such oxidation processes represent added advantages in the use of these electrodes in electrochemical treatment of effluent containing the sugars. Cyclic voltammetric analysis of the glucose solution indicated that oxygen evolution on the lead dioxide‐titanium anode appeared to be promoted by the presence of the sugar. A much more detailed study is required to give further insight into the mechanism of the anodic oxidation of these comp

 

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