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Table 2 Gas phase composition of HZSM-5 and Ru/HZSM-5

From: Study on the reaction strategy of directional alkylation fulfilled by controlling the adsorption pose of benzene and methanol in space with Ru/HZSM-5

Catalyst Gas phase
Methane Methanol Ethylene Propylene Others
HZSM-5 +  ++  ++  ++ 
Ru/HZSM-5 +  ++  + 
  1. Reaction conditions: catalyst = 0.5 g, T = 673 K, reaction time = 3 h, pressure = normal atmosphere, feed (B/M) ratio = 1:1, with a cofeed of N2. Explanation:  + means very little;  ++ means more; –means none