A structured catalyst with high dispersity of Au species based on hollow SiC foam with porous walls for acetylene hydrochlorination.

ABSTRACT: It is essential to improve the catalytic stability of Au-based catalysts for acetylene hydrochlorination. In this study, a novel hollow SiC foam with porous walls (HSF_p) is proposed to modify the Au catalyst distribution on the foam-based structured catalyst. The scanning electron microscopy and 3D X-ray tomography results showed that the hollow structure and the porous ceramic wall of HSF_p were successfully obtained. An Au/AC/HSF structured catalyst was prepared by the slurry-coating and impregnation method. Then the effects of the wall pore structure of HSF_p on the distribution of Au species and the stability of the catalyst were studied by comparison with a hollow SiC foam with compact walls (HSF_c). The HSF_p with 3D interconnected h

SUBMITTER: Wang P 

PROVIDER: S-EPMC9033650 | biostudies-literature | 2021 May

REPOSITORIES: biostudies-literature