Catalytic cracking process

A process for catalytic cracking of a hydrocarbon feedstock feeds to produce an enhanced yield of C3 to C5 olefins comprises contacting the feedstock with a catalyst composition comprising a large pore molecular sieve having a pore size greater than about 7 Angstrom and an additive component compris...

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Bibliographische Detailangaben
Hauptverfasser: KOWALSKI, JOCELYN ANNE
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A process for catalytic cracking of a hydrocarbon feedstock feeds to produce an enhanced yield of C3 to C5 olefins comprises contacting the feedstock with a catalyst composition comprising a large pore molecular sieve having a pore size greater than about 7 Angstrom and an additive component comprising a phosphorus-containing zeolite having a Constraint Index of about 1 to about 12 and a crystal size less than 0.2 micron.