A new approach could help tackle the problem of pollution from discarded face masks by transforming them into high-value products like carbon nanotubes and hydrogen.<br /><br /> ...
Spent oxidized (500 ºC, 5 h) commercial NiW/Al2O3 catalysts were processed using two different routes: a) fusion with NaOH (650 ºC, 1 h), the roasted mass was leached in water; b) leaching with HCl or ...