While Vale produced more than analysts expected last quarter as part of an ongoing recovery from a 2019 tailings dam disaster, sales lagged production.
The number of deaths in the world’s top platinum-group metals miner rose to 55 between January and Oct. 28 this year, from 43 in the same period last year.
A team at Curtin University found that poor-performing iron-sulfur becomes an efficient catalyst for green hydrogen production with added nickel and cobalt.