MODIFIED ULTRA-STABLE Y (USY) ZEOLITE CATALYST FOR IMPROVING COLD FLOW PROPERTIES OF DISTILLATES

A process is provided for improving cold flow properties of distillates, the process comprises the step of contacting a hydrocarbon feedstock with a framework-substituted ultra-stable Y (USY)-type zeolite in which a portion of aluminum atoms constituting a zeolite framework thereof is substituted wi...

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Hauptverfasser: KAGAWA, Tomoyasu, KOSEOGLU, Omer Refa, WATABE, Mitsunori, UCHIDA, Koji
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:A process is provided for improving cold flow properties of distillates, the process comprises the step of contacting a hydrocarbon feedstock with a framework-substituted ultra-stable Y (USY)-type zeolite in which a portion of aluminum atoms constituting a zeolite framework thereof is substituted with zirconium atoms and/or titanium and/or hafnium atoms, thereby producing a dewaxed distillate product.