• Title/Summary/Keyword: Rare platinum group (RPG)

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Properties and Recovery Technologies for Rare-Platinum Group using Patent Information (특허정보(特許情報)를 이용한 희소백금족(稀少白金族) 특성(特性)과 회수기술(回收技術))

  • Ahn, Jong-Gwan;Lee, Kang-Myoung;Lee, Jae-Ryeong
    • Resources Recycling
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    • v.18 no.4
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    • pp.3-13
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    • 2009
  • Rare platinum group (RPG)including rhodium, ruthenium, iridium, osmium, exists at the rate of 0.4 ppb or less in the earth's crust. For the purpose of suggestion to developing necessity for recycling technology with the RPG, survey on the characteristics and the recovery technologies was carried out by using patent information.