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EnviroGold patents new extraction process

The firm uses a weak acid leach technology

Craig Guthrie
The patent focuses on extraction from refractory oresCredit: Shutterstock / Lightspring

The patent focuses on extraction from refractory oresCredit: Shutterstock / Lightspring

EnviroGold Global has filed a new patent application in Australia for a method to extract metals from challenging ores, specifically refractory ores. According to a company official, the patent application...

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