Unsupported MoS2 and WS2 Model Catalysts: Influence of Textural Properties on Hydrodesulfurization and Hydrogenation Activities

✍ Scribed by R. Fréty; M. Breysse; M. Lacroix; M. Vrinat

• Publisher: Wiley (John Wiley & Sons)
• Year: 2010
• Weight: 443 KB
• Volume: 93
• Category: Article
• ISSN: 0037-9646
• DOI: 10.1002/bscb.19840930807

✦ Synopsis

Villeurbanne Cedex -FRANCE SUPUURY salts, under a flow of H2 + 15 % H2S a t 673 K. d e s u l f u r i z a t i o n of dibenzothiophene and hydrogenation of bipheny , a t moderate sec-I was found d i r e c t l y p r o p o r t i o n a l t o t h e s u r f a c e area of t h a t e s t e d catal y s t s , f o r both r e a c t i o n s and both types of c a t a l y s t s .

WS2 and nOS2 c a t a l y s t s .

Unsupported MoS2 (WS2) were prepared by decomposition of ammonium t h i o -Samples with s u r f a c e area ranging from 5 t o 8 0 m2g-l were t e a t e d i n hydro-The a c t i v i t y , measured a t t h e pseudo steady state, expressed i n mole g- Therefore t h e preceding r e a c t i o n s appear as t e x t u r e i n s e n s i t i v e " f o r both temperature (523 -573 K) and medium high p r e s s u r e (pT * 22.5 10 f Pa) conditiyns.