Catalyst and gold-based catalyst for acetylene hydrochlorination reaction, and preparation and evaluation methods of catalyst and gold-based catalyst

The invention discloses a catalyst for acetylene hydrochlorination, a gold-based catalyst and preparation and evaluation methods, the gold-based catalyst comprises an activated carbon carrier, gold and a co-catalysis component, the gold and the co-catalysis component are loaded on the activated carbon carrier, and the activated carbon carrier is a pretreated activated carbon carrier. The mass content of gold in the gold-based catalyst is 0.05%-0.075%, the mass content of the co-catalysis component is 0.2%-0.5%, the co-catalysis component is indium chloride, ytterbium chloride or yttrium chloride, and the activated carbon carrier is flaky coconut shell activated carbon, columnar wooden activated carbon, columnar coconut shell activated carbon, columnar coal activated carbon or spherical wooden activated carbon. The gold-based catalyst comprises an activated carbon carrier, gold nanowires loaded on the activated carbon carrier and a cocatalyst component indium chloride, ytterbium chloride or yttrium chloride, a