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The conversion and product selectivity at different reaction times of ethylene aromatization reaction with the feed of (A) pure C2H4, (B) C2=:H2O = 3:1 (75%C2H4–25% H2O), and (C) C2=:N2 = 3:1 (75%C2H4–25%N2) over Zn/HZSM-5. Reaction conditions: 470 °C, 0.1 MPa, WHSV = 1.8 h−1.
