▎ 摘　　要

NOVELTY - Preparing non-metallic nitrogen atom-modified natural material or industrial material comprises (i) dissolving the carrier material powder and nitrogen source in water, and using ultrasonic dispersion technology to obtain solution A, and dissolving the two metal precursors in a solvent, and using ultrasonic dispersion technology to obtain solution B, (ii) dispersing solution B in solution A, stirring, drying and grinding mixed solid into powder, (iii) annealing the mixture in a protective gas to obtain a bi-active site heteronuclear metal atom catalytic material modified by a non-metal nitrogen atom on a carrier, and (iv) using the prepared catalytic material to study the electrocatalytic removal of halogenated organic pollutants. USE - The method is useful for preparing non-metallic nitrogen atom-modified natural material or industrial material, which is useful for electrocatalytic removal of halogenated organic pollutants as a carrier-supported bi-active site heteronuclear metal atom complex structure catalytic material (claimed). ADVANTAGE - The method: is simple, and economical; has the prospect of large-scale application in industry; and completely removes the pollutants; prepares a bi-active heteronuclear metal atomic structure catalyst with stable metal coordination by adding a nitrogen source; and provides excellent catalytic performance for the selective hydrogenation reduction of halogenated organics.