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2-); and (b) after step (a), contacting the oxyanion-containing water with a separate component comprising a rare earth to remove more than 50% of the oxyanions from the oxyanion containing water. Obviousness Rejection The Examiner determined that Fischmann taught both oxyanion-containing aqueous streams comprising hypochlorite or persulfate and contacting the oxyanion-containing stream with a separate composition to remove substantially all of the oxyanions from the oxyanion-containing stream, processes corresponding to the two steps of claim 1. However, the Examiner found that Fischmann did not teach that this separate composition contained a rare-earth element. That rare-earth element could be found, in the Examiner s

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