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2. Engelhard - Wikipedia

   en.wikipedia.org/wiki/Engelhard

   Engelhard Corporation was an American Fortune 500 company headquartered in Iselin, New Jersey, United States. It is credited with developing the first production catalytic converter . In 2006, the German chemical manufacturer BASF bought Engelhard for US$5 billion.

3. Refining (metallurgy) - Wikipedia

   en.wikipedia.org/wiki/Refining_(metallurgy)

   The precious metals are separated from the metal salt by calcination. The noble-metalliferous materials are hydrolyzed first and thermally prepared ( pyrolyzed ) thereafter. The processes are better yielding when using catalysts that may sometimes contain precious metals themselves.

4. Garfield Refining - Wikipedia

   en.wikipedia.org/wiki/Garfield_Refining

   Garfield Refining is a Philadelphia, Pennsylvania based refinery specializing in the purchase of precious metal, including gold, silver, platinum and palladium. The company was founded in 1892 and was originally called Eastern Smelting. [ 1 ]

5. List of bullion dealers - Wikipedia

   en.wikipedia.org/wiki/List_of_bullion_dealers

   This list of bullion dealers includes notable companies and organizations that deal in precious metals, such as gold and silver. This list is incomplete ; you can help by adding missing items . ( September 2014 )

6. Johnson Matthey - Wikipedia

   en.wikipedia.org/wiki/Johnson_Matthey

   In December 2008 US subsidiary Johnson Matthey Inc was fined $2.25 million for a felony violation of the United States Clean Water Act, after admitting to violating the act at its Salt Lake City precious metals refining facility. [25] The violation related to the selective screening of wastewater samples for compliance analysis.

7. Dubai's commodities hub plans Gulf's first blockchain-backed ...

   www.aol.com/news/dubais-commodities-hub-plans...

   Dubai Multi Commodities Centre (DMCC) plans to create the first precious metals refinery and storage facility in the Gulf region enabled by blockchain technology. The facility will refine and ...

8. Rand Refinery - Wikipedia

   en.wikipedia.org/wiki/Rand_Refinery

   Rand Refinery (Pty) Limited is the world's largest integrated single-site precious metals refining and smelting complex. It was established in 1920 to refine gold within South Africa , which had previously been refined in London .

9. Umicore - Wikipedia

   en.wikipedia.org/wiki/Umicore

   Umicore's precious metals facility in Hoboken, Belgium. The Recycling business segment covers four main activities: its core business is the recycling and refining of various precious and other non-ferrous metals, as well as certain nonmetals such as selenium. [26] Umicore is the world's largest recycler of precious metals. [27]