▎ 摘　　要

NOVELTY - Carbon-modified metal-based reduction catalyst comprises a metal-based active center, where the metal-based active center reacts with carbon-containing gas to enable carbon atoms to be embedded into crystal lattices of the metal-based active center, and the metal-based active center is nickel, cobalt or nickel-based alloy, forming nickel carbide or cobalt carbide carrier or nickle metal carbide carrier or nickle carbide carrier, the valence states of the metal nickle, the metal cobalt and the metal are ≥ 0 valence and less than positive bivalent, and the metal is ruthenium, cobalt, palladium, platinum and iridium. USE - The carbon-modified metal-based reduction catalyst is used in a cyano hydrogenation reaction (claimed), and the catalyst is used for catalytic reduction of cyano groups to prepare primary amines. ADVANTAGE - The catalyst improves the catalytic activity, stability and safety of the reaction and reduce energy consumption, and is mainly used for catalytic reduction of cyano groups to prepare primary amines, and has important industrial application. DETAILED DESCRIPTION - Carbon-modified metal-based reduction catalyst comprises a metal-based active center, where the metal-based active center reacts with carbon-containing gas to enable carbon atoms to be embedded into crystal lattices of the metal-based active center, and the metal-based active center is nickel, cobalt or nickel-based alloy, forming nickel carbide of formula: NiyCxor cobalt carbide of formula: CoyCx carrier or nickle metal carbide of formula: NiyMzCx carrier or nickle carbide carrier, the valence states of the metal nickle, the metal cobalt and the metal are ≥ 0 valence and less than positive bivalent, and the M is ruthenium, cobalt, palladium, platinum and iridium, where y = 2 or 3, x = 1, and z = 0.03-1. An INDEPENDENT CLAIM is included for a method for producing the carbon-modified metal-based reduction catalyst involving placing the first product in the carbon-containing gas atmosphere for first roasting to obtain the catalyst, the first product is nickel powder and/or Raney nickel prepared by dispersing a carrier in a solvent, adding the precursor and stirring, heating and evaporating the solvent, placing the solvent in a hydrogen atmosphere for second roasting to obtain the first product, the precursor is a first nickel precursor, or a first cobalt precursor, or a metal precursor mixture, the metal precursor is a mixture of a second nickel precursor and other precursors, and the other precursors are one or more of ruthenium precursor, second cobalt precursor, palladium precursor, platinum precursor and iridium precursor.