Are there processes of electric discharge to oxide As(III) into As(V)? [closed]








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I want to know if there were any known experiment of electric discharge to oxyde the ion arsenic(III) into the ion arsenic(V).




1. > 
> The feasibility of the electro-removal of arsenate (As(V)) and
>  arsenite (As(III)) from aqueous solutions via **capacitive
>  deionization** was investigated. The effects of applied voltage
>  (0.0-1.2V) and initial concentration (0.1-200 mgL(-1)) on arsenic
>  removal were examined. As evidenced, an enhancement of arsenic removal
>  can be achieved by capacitive deionization.[...]
> 
> 
>
2. > 
> Water‐soluble poly[glycidyl methacrylate N‐methyl d‐glucamine],
>  P(GMA‐NMG), was synthesized and purified by ultrafiltration membranes.
>  It was subsequently used for arsenic removal by **coupling
>  electro‐oxidation (EO) and polymer‐enhanced ultrafiltration (PEU)
>  processes.** In the EO‐PEU combined process, P(GMA‐NMG) was first used
>  as supporting electrolyte during the exhaustive electro‐oxidation of
>  As(III) to As(V) and then it was used to remove As(V) from aqueous
>  solution through PEU.
> 
> 
>
3. > 
> **Electrochemical oxidation of arsenic(III). A consecutive
>  electron-transfer reaction**
> 
> 
> The reaction is based on two consecutive one-electron-transfer-step
>  reaction of form:
> 
> 
> $$\ce{ As(III) <-> As(IV) <-> As(V)}$$
> 
> 
> $\ce{As(IV)}$ being the intermediate which has been postulated from the
>  kinetic effect of the homogeneous reaction.
> 
> 
>


**References**


1. Fan CS, et al. and J Hazard Mater. "Electro-removal of arsenic(III) and arsenic(V) from aqueous solutions by capacitive deionization"
**2016**.([link](https://www.ncbi.nlm.nih.gov/m/pubmed/27037475/))
2. Ozgur Arar, Nalan Kabay, Julio Sánchez , Bernabé L. Rivas, Marek Bryjak, Carlos Peña
"Removal of arsenic from water by combination of electro‐oxidation and polymer enhanced ultrafiltration" 15 October **2013** DOI: [https://doi.org/10.1002/ep.11876](https://aiche.onlinelibrary.wiley.com/doi/abs/10.1002/ep.11876)
3. Henry A. Catherino "Electrochemical oxidation of arsenic(III). A consecutive electron-transfer reaction" J. Phys. Chem.1967,7,12,268-274, January 1, **1967** DOI: [https://doi.org/10.1021/j100861a010](https://pubs.acs.org/doi/pdf/10.1021/j100861a010)


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