Selective Hydrogenation of 3-Nitrostyrene over a Co-promoted Pt Catalyst Supported on P-containing Activated Charcoal

Catalysts

Haiyang Cheng¹  Chao Zhang¹  Qifan Wu¹  Weiwei Lin¹  Masahiko Arai¹  Fengyu Zhao¹ 

[1] State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China;

关键词: selective hydrogenation;    3-nitrostyrene;    bimetallic catalysts;   

DOI  :  10.3390/catal9050428

来源: DOAJ

【 摘 要 】

A series of Co-modified Pt catalysts supported on P-containing activated charcoal were studied for the selective hydrogenation of 3-nitrostyrene (NS) to 3-aminostyrene (AS). The addition of Co decreased the rate of hydrogenation but enhanced the selectivity to AS, being 92% at nearly 100% conversion over an optimized catalyst. The high AS selectivity should result from the configuration of NS adsorption on the catalyst, which occurs preferentially with its -NO₂ group on the Pt−PO_x interface layer over the surface of supported Pt particles. The formation of such a Pt−PO_x area is promoted by the Co additive.

【 授权许可】

Unknown