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Alkylation of coking benzene with ethanol to ethylbenzene over modified HZSM-5

Feng Jiao

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Abstract

Alkylation of coking benzene with ethanol and desulfurization was investigated over HZSM-5 catalyst modified by boron via ion exchange. Characterization of the modified catalyst by XRD and BET indicated that pore diameter,BET surface area and micropore volume of the catalyst declined after modification. Selectivity to ethylbenzene declined slightly while benzene conversion increased. The optimum condition was as Mows: (350-400)? ,n( benzene) :n(ethanol) =(3:1) ~(5:l), WHSV (4-6) h-1.

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Alkylation of coking benzene with ethanol and desulfurization was investigated over HZSM-5 catalyst modified by boron via ion exchange. Characterization of the modified catalyst by XRD and BET indicated that pore diameter,BET surface area and micropore volume of the catalyst declined after modification. Selectivity to ethylbenzene declined slightly while benzene conversion increased. The optimum condition was as Mows: (350-400)? ,n( benzene) :n(ethanol) =(3:1) ~(5:l), WHSV (4-6) h-1.

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Available abstract

Alkylation of coking benzene with ethanol and desulfurization was investigated over HZSM-5 catalyst modified by boron via ion exchange. Characterization of the modified catalyst by XRD and BET indicated that pore diameter,BET surface area and micropore volume of the catalyst declined after modification. Selectivity to ethylbenzene declined slightly while benzene conversion increased. The optimum condition was as Mows: (350-400)? ,n( benzene) :n(ethanol) =(3:1) ~(5:l), WHSV (4-6) h-1.

Key concepts: Ethylbenzene, Benzene, Catalysis, Alkylation, BET theory, Selectivity, Ethanol, Chemistry

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