Establishment of a Novel Recycling Process for Iridium Using “Dry Aqua Regia”
Akihiro Yoshimura,
Hisaaki Komatsuda,
Yasunari Matsuno
Abstract:Iridium is one of the most refractory platinum group metals (PGMs) used in crucibles, catalysts, and ignition tips for spark plugs. Refining and recycling of iridium are energy-intensive processes with high environmental impacts; therefore, a novel recycling process is desirable to expand the utilization of iridium.Previously, we established a novel process for recycling platinum and palladium using "dry aqua regia", which is a molten salt consisting of iron(III) chloride and potassium chloride. This process c… Show more
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