Coke on Zn/Hβ Catalyst in Ethanol to Propylene

Wen Ting Qu; Ting Bai; Feng Wang; Xi Ling Liu; Xin Zhang

doi:10.4028/www.scientific.net/AMR.962-965.719

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 962-965Coke on Zn/Hβ Catalyst in Ethanol to Propylene

Coke on Zn/Hβ Catalyst in Ethanol to Propylene

Abstract:

Coke on Zn/Hβ catalyst in ethanol to propylene was studied in continuous-flow fixed-bed reactor. The physicochemical properties of these fresh and used catalysts were characterized by NH₃-TPD, N₂ isothermal adsorption-desorption and TPO. These results showed that the medium and strong acid sites might be responsible for the production of coke and coke mainly deposited on external surface and microporous mouth. In addition, the coke might be consisted of soft coke and hard coke.