Relationship between surface acidity and activity of modified Y zeolite by FT-IR

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Petroleum Processing Research Center, East China University of Science and Technology, Shanghai 200237, China [1 ]
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The relationship between surface acidity and alkylation reaction catalytic activity of modified Y zeolite was studied on fixed-bed reactor by FT-IR. Results show that the catalyst's activity and life span have no remarkable improvement after ion exchange while they have good performance after adding La2O3, and the B, L acids are decreased.
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