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Comparison of activities of cracking catalysts containing ZSM-5 and Y-zeolite
Authors:J R Grzechowiak and A Masalska
Institution:(1) Institute of Chemistry and Technology of Petroleum and Coal, Technical University of Wroclstrokaw, 50-344 Wroclstrokaw, Poland
Abstract:Studies on the catalytic cracking of diesel oil fraction with the boiling range of 493–603 K on H-ZSM-5 and RE, H-Y zeolites has been carried out. The results show that in the presence of H-ZSM-5 zeolite no significant increase in the yield of gasoline is observed. Higher percentage of unsaturated hydrocarbons in the gasoline and gases indicates that the hydrogen transfer activity of H-ZSM-5 containing catalyst is lower than that of RE, H-Y zeolites.
Icyscyscylcyiecydcyocyvcyacyncyocy kcyacytcyacylcyicytcyicychcyiecyscykcyocyiecy pcyocyvcyiecydcyiecyncyicyiecy H-ZSM-5 icy RE, H-Y tscyiecyocylcyicytcyocyvcy vcy kcyrcyiecykcyicyncygcyiecy fcyrcyacykcytscyicyicy dcyicyzcyiecylcysoftcyncyocygcyocy mcyacyscylcyacy, kcyicypcyyacyshchcyiecyjcy pcyrcyicy 493–603 Kcy. Pcyrcyicyscyucytcyscytcyvcyicyiecy tscyiecyocylcyicytcyacy H-ZSM-5 ncyiecy vcyycyzcyycyvcyacyiecytcy zcyncyacychcyicytcyiecylcysoftcyncyocyiecy ucyvcyiecylcyicychcyiecyncyicyiecy vcy vcyycykhcyocydcyiecy gcyacyzcyocylcyicyncyacy. Pcyocyvcyycyshcyiecyncyncyocyiecy scyocydcyiecyrcyzhcyacyncyicyiecy ncyiecyncyacyscyycyshchcyiecyncyncyycykhcy ucygcylcyiecyvcyocydcyocyrcyocydcyocyvcy vcy gcyacyzcyocylcyicyncyiecy icy gcyacyzcyocyvcy scyvcyicydcyiecytcyiecylcysoftcyscytcyvcyucyiecytcy ocy tcyocymcy, chcytcyocy acykcytcyicyvcyncyocyscytcysoftcy kcy pcyiecyrcyiecyncyocyscyucy vcyocydcyocyrcyocydcyacy kcyacytcyacylcyicyzcyacytcyocyrcyocyvcy, scyocydcyiecyrcyzhcyacyshchcyicykhcy H-ZSM-5 ncyicyzhcyiecy, chcyiecymcy dcylcyyacy RE, H-Y tscyscyocylcyicytcyocyvcy.
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