Sustainable Nano Ni-Fe Alloys Dispersed on Geopolymers Support Derived from Coal Gangue for Complete Nitrate Removal with High N₂ Selectivity
Nitrate Reduction, Ni-Fe Alloys Catalyst, Geopolymer Support, Coal Gangue Valorization, Nitrogen Selectivity
Selective laser sintering, Precursor impregnation pyrolysis, SiO2@C core-shell heterostructure, Electromagnetic wave absorption, Interfacial polarization, SiOC high-temperature structural ceramic composites
Nitrate reduction, Ni-Fe alloys catalyst, Geopolymer support, Coal gangue valorization, Nitrogen selectivity