| abstract |
A nano-gold catalyst and its preparation method and use are disclosed. The catalyst of the present invention comprises a solid solution carrier with the general formula Zn a AlM b O x and gold element supported on the carrier, based on the total weight of the catalyst, the supported amount of the gold is 0.5-3.0 wt %; the carrier wherein, M is selected from Co, La or a mixture thereof; a=0.1-4.0, b=0.01-0.30, and x is the amount of oxygen that satisfies the chemical valence of the compound. |