Locking Copper Sites against Over-reduction at a CaSO4-Modified NiCu Interface for Durable Acetylene Semi-hydrogenation
Acetylene semi-hydrogenation is critical for industrial polymer-grade ethylene production. Copper-based catalysts can achieve high selectivity via Cu+/Cu0 interfacial sites, yet excessive Cu+ reduction under reaction conditions disrupts this balance, depletes active ensembles, and causes rapid deactivation. Current s...