Rio Tinto is investing $2.9 million in developing the plant with a capacity to produce approximately 20 tonnes per year of tellurium and expects production to start in the fourth quarter of 2021.
Global tellurium production was estimated at 490 tonnes in 2020, with China accounting for around 60% of the total output figure, the latest US Geological Survey data shows.
The main use for tellurium is in cadmium tellurium...