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Modification of ZSM-5 zeolite for maximizing propylene in fluid catalytic cracking reaction

โœ Scribed by Xionghou Gao; Zhicheng Tang; Dong Ji; Haitao Zhang

Book ID
118427057
Publisher
Elsevier Science
Year
2009
Tongue
English
Weight
251 KB
Volume
10
Category
Article
ISSN
1566-7367

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โœ Conghua Liu; Xionghou Gao; Zhongdong Zhang; Haitao Zhang; Shuhong Sun; Youquan D ๐Ÿ“‚ Article ๐Ÿ“… 2004 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 81 KB

After modifications of rare earth and phosphorus, the acidity density and the strength in the pores of zeolite Y (PREUSY) are improved effectively; the surface acidity is suitably reduced and weakened owing to the interaction of rare earth cation and phosphate anion. NH3-TPD analysis showed that the