News & Article


Metso’s precious Metals Refinery is commonly used for treating copper anode slime for precious metals recovery and refining. It can also be used for other similar materials such as lead anode slime and other materials containing precious metals. The process can be tailored for plants consisting of multiple unit processes such as copper leaching, telluride recovery, smelting, converting, wet gas cleaning with selenium recovery, selenium roasting, refining of silver, gold, and platinum group metals, as well as selenium and waste water treatment.

Metso’s Outotec Precious Metals Refinery is always optimized for each application and customized based on your specific processing needs. Engineering, delivery, and operation of the total solution are backed by our vast know-how and available support services in precious metals plant design.

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Sulfuric Acid tech

Our sulfuric acid technology is based on more than 90 years’ experience in a diverse range of projects around the world. We have delivered more than 650 complete plants with daily capacities ranging from 100 to 5,000 tons. Our plant solutions are fully customizable and designed to maximize operational efficiency, sustainability, and safety. We also offer a comprehensive range of service solutions to support you throughout your plant’s lifecycle.

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