Looking for gold and critical metals in electronic waste
The aim for this project was to better understand how precious metals (gold, silver and REE, rare earth elements) can be recycled from WEEE material, Waste Electrical and Electronic Equipment. An improved knowledge of how precious metals occur in our waste can potentially reduce the losses of valuable materials and possibly change how we today treat our waste.
Analytical technique: scanning electron microscopy, SEM-EDS
Project partners were RISE, Stena Recycling International AB, Stena Technoworld AB and Luleå University of Technology (ore geology, Mathis Warlo and Glenn Bark) and the project was funded by the Swedish Energy Agency.
Pictures
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Gold particle (12 micrometers), scanning electron microscopy.
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Gold particle (15 micrometers), scanning electron microscopy.

Silver particle (40 micrometers), scanning electron microscopy.
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Gold particle (10 micrometers), scanning electron microscopy.

REE particle, rare earth elements (La, Ce + Ni-Co)(18 micrometer), scanning electron microscopy.

EE particle, rare earth elements (La, Ce + Ni-Co)(8 micrometer), scanning electron microscopy.
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