precious metals Articles

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Activated Carbon for Precious Metals Recovery

by Calgon Carbon Corporation  (Feb. 1, 1987)

Untitled Document Summary: Guidelines are presented for the selection, handling and regeneration of activated carbon used in gold recovery operations. The guidelines are based ...

Global Initiatives to Increase the Sustainable Use of Precious Metals

by SGS  (Oct. 25, 2012)

The period from September through to January sees a number of important holidays for many countries and these holidays represent the peak season for gift giving. Many people’s thoughts often turn to luxury items such as jewelry as well as to electronic items such as mobile phones, MP3 players and the like. ...

E-scrap: metals too precious to ignore

by Recycling International  (Nov. 20, 2008)

Increased recovery of waste electrical and electronic equipment (WEEE) is providing the global recycling industry with fresh challenges. Researchers from Berlin’s University of Technology have been taking a close look at the material flowing into and out of the recycling process, paying special attention to the precious metals content. Their main ...

Efficient Treatment of Complex Wastewaters at Umicore Precious Metals using Biotechnology

by Paques B.V.  (Jan. 1, 2005)

Untitled Document Paques and Umicore have demonstrated the feasibility of biological treatment of the highly complex Hoboken wastewaters in ...

Recovery of Precious Metal Catalysts - A New Process Using Supercritical Water Oxidation

by Johnson Matthey Emission Control Technologies  (Jan. 1, 2002)

Up to now, the recovery of precious metals used as catalysts in chemical processes has involved the use of incineration. Now, however, a British-Swedish joint venture has developed a process which uses supercritical water oxidation instead, which provides many economic and environmental advantages. Precious metals are used extensively in ...

Thermal Plasma Technology Supports Precious Metal Recovery from WEEE

by Tetronics (International) Ltd  (Oct. 31, 2011)

The article provides an overview of the history of electrical wastes, where we are today and the potential value that can be generated from recovering the valuable precious metals it contains going forward.   The article also discusses how Tetronics’ patented DC Plasma technology has been successfully employed in a wide range of ...

WEEE – aren’t materials too precious to lose?

by UNTHA UK  (Apr. 10, 2015)

Chris Oldfield, managing director of UNTHA UK, was interviewed by leading journal MRW magazine recently, on the subject of WEEE. Drawing upon his specialist industry insight he commented on the methodology used to process WEEE and the extent to which the sector needs to go ‘back to basics’ to ensure precious materials are not lost. ...

VSEP provides crystal clear permeate and recovers precious metals from the mining leachate at 97% recovery

by New Logic Research, Inc.  (May 31, 2007)

A unique membrane filtration system, known as V✧SEP (Vibratory Shear Enhanced Process), was developed by New Logic of Emeryville, California. The technology employs vibrational oscillation of an advanced polymeric membrane to improve the throughput and to prevent colloidal fouling of the membrane surface. This new technology provides a ...

Wastewater Metals Removal

by Integrated Engineers Inc.  (May 7, 2007)

Industrial Wastewater Treatment Success Stories Wastewater Treatment Metals Removal Ton Nerve Gas Agent Container Rinse Waters ...

Phoenix county metals case study

by Niton UK Limited  (Jul. 18, 2013)

With their order placed before the instrument was officially available, Phoenix County Metals quickly benefited from their new Thermo Scientific Niton XL2 handheld XRF analyser. The robust Niton XL2 has proven ideal for Phoenix’s application, which involves the identification of gold, silver, platinum, palladium and rhodium from waste ...

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