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Role of Chain Reactions and Olefin Formation in Cracking, Hydroconversion, and Coking of Petroleum and Bitumen Fractions

โœ Scribed by Gray, Murray R.; McCaffrey, William C.

Book ID
119942923
Publisher
American Chemical Society
Year
2002
Tongue
English
Weight
119 KB
Volume
16
Category
Article
ISSN
0887-0624

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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