Process for rhenium recovery
AssigneeNihon Kogyo Kabushiki Kaisha
InventorsTakashi Ogata, Hiroshi Tasaki, Shunichi Kasai
Life of this patent
Estimating the term…
Abstract
A process for rhenium recovery by the use of an anion exchange resin comprises eluting rhenium from the rhenium-adsorbed anion exchange resin with a hydrochloric acid solution containing a metal chloride. Preferred metal chloride is that of copper, cadmium, or zinc.
Claims2
A process for rhenium recovery by the use of an anion exchange resin, characterized in that rhenium is eluted from the rhenium-adsorbed anion exchange resin with a hydrochloric acid solution containing a metal chloride selected from the group consisting of cadmium chloride and zinc chloride.
A process for rhenium recovery by the use of an anion exchange resin, characterized in that rhenium is eluted from the rhenium-adsorbed anion exchange resin with a hydrochloric acid solution containing a metal chloride, said metal chloride is zinc chloride.
Dependencies are inferred from the claim text.