World Fertilizer September Issue 2021

Page 51

Chris Brown, K.A. Rasmussen, Norway, David Horbury, URSG, Europe, and Michael Schriner, URSG, USA, examine the available methods for precious metal recovery and recycling in nitric acid plants.

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recious metals, by their nature, are rare and there are a limited number of accessible areas around the world where they can be viably extracted. Precious metals are important for various reasons, including their array of special properties essential for many industrial processes, emissions reduction catalysts, bullion, investments and high-value jewellery. The properties of precious metals allow them to be used as inert, long lasting materials, often in harsh industrial

environments as well as precision measuring instruments, sensors and high-tech catalysts. Over recent years, supply and demand dynamics have highlighted the sensitivity of precious metals, reflected most noticeably in their market pricing. The importance of recycling as a prerequisite for securing raw materials has always been a strong part of working with precious metals, and events in recent years have reiterated the importance now and for the future from around the world.

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