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Dimethyl Arsenate (DMA) Organoarsenic Wastewater Treatment

Dimethyl Arsenate (DMA) Organoarsenic Wastewater Treatment

(OP)
Hi,

Does anyone here have any experience in treating Dimethyl arsenate from an effluent stream? Concentration: ~ 1000 - 1500 ppb, has a bunch of other heavy metals as well. Like is there an effective (in terms of kinetics) way to first reduce and then demethylate MAs(V) to As(III) (reducing agents, bacteria?) ?
Then, perhaps it could be oxidized to As(V) and later precipitated with FeCl2.

Or would a CASP/MBR system work for this effluent stream ?

Any thoughts?


Thank you in advance for your help.

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