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American Resources Policy Network
Promoting the development of American mineral resources.
  • Through the Gateway: Rhodium – Not Just Another Platinum Group Metal

    A rare, silvery white, hard and corrosion-resistant metal, Rhodium is not only one of Palladium’s fellow members of the Platinum Group Metals (PGMs); it, too, happens to be a Nickel co-product.  And, as is the case with Palladium, one of Rhodium’s main uses is in catalytic converters to reduce automobile emissions, as well as in industrial catalysts.

    Alloyed with Platinum and Palladium, in the process of which it serves as a hardening agent, Rhodium is also used in furnace windings, and thermo-coupling elements, to name but a few industrial applications. The exceptional hardness of plated Rhodium, which is derived by electroplating or evaporation, further lends itself to the metal’s application in optical instruments.

    USGS does not track production numbers or net import reliance statistics for Rhodium as a stand-alone metal; however, considering that there is currently only one domestic mining company producing PGMs — and that U.S. import dependence on the two PGMs USGS does track is 90% for Platinum and 58% for Palladium — plus the fact that we import roughly 11,000 kg of Rhodium per year, our import dependence to meet domestic needs is in all likelihood not insignificant.

    As is the case with Palladium, new applications for the metal may become game-changers going forward and may drive up demand. One such recent discovery is the unveiling of a chemical process“using the sun’s thermal energy to convert carbon dioxide and water directly into high-energy fuels.”  In what may turn out to be a big step towards the chemical storage of solar energy, researchers at the Switzerland-based Paul Scherrer Institute (PSI) and the ETH Zurich have developed a procedure to do so using a new material combination of Cerium Oxide and Rhodium.  While this potential application is quite interesting, friends of ARPN will note that a compound comprised of two elements for which the U.S. is significantly import-dependent illustrates once again the constraints on the United States’ ability to capitalize on advanced materials development.

    What we have argued elsewhere, applies for Rhodium, too – the revolution in materials science represents a paradigm shift for traditional supply and demand scenarios for the raw materials that fuel it.  It’s time for a new comprehensive approach to mineral resource policy that embraces these changes -  especially as we move into a potential period of uncertainty on the trade front.

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  • Through the Gateway: Palladium – A Catalyst For Comprehensive Resource Policy?

    For some, the first thing that comes to mind when they hear the word Palladium is boots – made popular by the French Legion and the Grunge movement of the 1990s. Others may be more familiar with the element Palladium, a member of the Platinum-Group Metals (PGMs), and as ARPN would argue, of greater interest to us than footwear – which happens to be another Nickel co-product.

    lustrous silver-white metal, it is the least dense of the Platinum-Group Metals, and has the lowest melting point among its peers.  It is strongly corrosion resistant at ordinary temperatures, forms many compounds and has a great ability to absorb hydrogen.

    Palladium’s leading uses (which also apply for its fellow PGMs) are in catalytic converters to decrease harmful automobile emissions – an area where demand is likely to grow in light of tighter environmental standards.  It is also used in catalysts in petroleum refining and bulk-chemical production, as well as electronic applications, and jewelry-making.  More recently, a team of Japanese researchers successfully used a permeable Palladium film to transform radioactive waste into the Rare Earth Element Praesodymium. Whether or not this discovery of Palladium’s uses will have any impact on demand remains to be seen, but it goes to show the revolution in materials science that is going on — and the potential for new uses to change the supply and demand picture for metals and minerals.

    Currently, a U.S. mine in Montana is one of only two mines worldwide producing primary Palladium, while all other Palladium is derived as a co-product of mostly the Platinum and Nickel mining process. The main suppliers of global co-product Palladium are South Africa, Russia, and the United Kingdom, leaving the United States import-dependent for 58 percent of the Palladium required by domestic manufacturers.   And our dependency exists in spite of the fact that the U.S. is home to significant PGM reserves.

    According to a 2012 USGS study, projects to produce Palladium as a Copper-Nickel Co-product were underway in Minnesota; however, as of yet, these projects have not gone online.  Meanwhile, U.S. relations with Russia – one of our lead suppliers – are deteriorating, calling into question the stability of Palladium supply for our domestic manufacturers.  The bottom line: The case of Palladium should be another catalyst (pun intended) for policy makers to formulate policies conducive to domestic mineral resource development.

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  • Through the Gateway: Rio Tinto Partners with Critical Materials Institute (CMI) in Research Partnership to Recover Wide Range of Gateway Metals from Domestic Resources

    For the past few months, the American Resources Policy Network has highlighted the concept of “Gateway Metals” and “Co-Products” in the context of our “Through the Gateway”-campaign.  It would appear that people in government and the business community are taking note:  The Department of Energy’s Critical Materials Institute (CMI) has just announced it will join with global mining and minerals company Rio [...]
  • Through The Gateway: A Look at Gateway Metals, Co-Products and the Foundations of American Technology

    The following is an overview of our “Through the Gateway” informational campaign, in which we outline the importance of Gateway Metals and their Co-Products. Here, we expand on the findings of our “Gateway Metals and the Foundations of American Technology” report, in which we focused on a group of five “Gateway Metals,” which are not only critical to manufacturing and [...]
  • Through the Gateway: The Geopolitics of Co-Product Supply – a Look at Scandium

    Throughout ARPN’s work, we have consistently highlighted the geopolitical dimension of mineral resource policy.  Where we source (or fail to source) our metals and minerals is an often forgotten – or ignored – factor, with implications for our domestic manufacturers, and, at times, even for our national security. Case in point – and in keeping [...]
  • Through The Gateway: Indium – Taking Virtual Reality Mainstream?

    Here we [Pokémon] go again.  It’s only been a couple of weeks, and we find another reason to talk about an augmented reality game that has taken the world by storm. But there’s a good reason: Pokémon Go may be giving us a glimpse into our future, or more precisely, the future of smartphone technology.  [...]
  • Through the Gateway: Aluminum Alloys – Versatility On Steroids

    Last year, researchers developed a material “that’s as strong and light as titanium, another expensive material, but at just a tenth of the cost.” They were able to achieve this feat by tweaking Aluminum’s alloying properties at the nano level. Aluminum’s properties as a stand-alone metal already make it one of the most versatile materials in engineering and [...]
  • Independence Day – A Time To Celebrate Our Freedom, Yet Be Mindful of Growing Dependencies

    It’s that time of the year again. We’re filling our shopping carts with food and drinks, making sure we have enough gas for the grill, and buying some fireworks. The 4th of July, and with that, Independence Day, has arrived. But our country’s 240th birthday is more than a good reason to throw a barbecue in honor [...]
  • Through The Gateway – We Have the Reserves, So Why Aren’t We A Copper Net Exporter?

    Over the past few weeks, we’ve taken you on a journey “Through the Gateway.” We have looked at some of the key properties and supply and demand picture for Copper, as well as Copper’s co-products Tellurium, Selenium, Rhenium and Molybdenum.* It has become abundantly clear that Copper is a critical mineral, not just as a stand-alone traditional mainstay metal, but also as a gateway to the (mostly) rare tech metals it [...]
  • Through the Gateway: Molybdenum – “The Most Important Element You Have Never Heard Of?”

    A writer for Gizmodo has dubbed it the “most important element you have never heard of.”  Writes Esther Inglis-Arkell: “Molybdenum, with its 42 protons and 54 neutrons, sits right in the middle of the periodic table being completely ignored. It’s not useless. (…) It just doesn’t have that indefinable sexiness about it.” Inglis-Arkell explains Molybdenum’s biochemical relevance: Taken [...]

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