In an article, author is Liu, Xuefeng, once mentioned the application of 5407-04-5, Name is 3-Chloro-N,N-dimethylpropan-1-amine hydrochloride, molecular formula is C5H13Cl2N, molecular weight is 158.07, MDL number is MFCD00012521, category is chlorides-buliding-blocks. Now introduce a scientific discovery about this category, Formula: C5H13Cl2N.
Characterization of electrode fouling during electrochemical oxidation of phenolic pollutant
Electrode fouling is a problem that commonly occurs during electro-oxidation water purification. This study focused on identifying the fouling behavior of Pt electrode associated with the formation of polymeric layer during electro-oxidation of phenol. The in situ electrochemical measurements and non-destructive observation of the electrode morphology were reported. The results demonstrated that the electrode fouling was highly dependent on thermodynamic process of electrode that was controlled by anode potential. At anode potential lower than 1.0 V vs SHE, the direct electro-oxidation caused the electrode fouling by the formation of polymeric film. The fouling layer decreased the electrochemically active surface area from 8.38 cm(2) to 1.57 cm(2), indicated by the formation of polymeric film with thickness of 2.3 mu m, increase in mass growing at a rate of 3.26 mu g/cm/min. The degree to which the anode was fouled was independent of anion in the electrolyte. In comparison, at anode potential higher than 2.7 V vs SHE, the anions (e.g., chloride) could exert a major influence to the behavior of electrode fouling. The presence of chloride was shown to mitigate the fouling of electrode significantly through preventing the formation of polymeric film by active chlorine (e.g., Cl center dot and Cl-2) produced from anodic oxidation of chloride. Since chloride is the most abundant anionic species existing in both natural and engineered water system, this study not only offers a deep insight into the mechanism of electrode fouling, but also suggests strategies for anti-fouling in the presence of chloride in electro-oxidation process. (c) Higher Education Press 2020
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