A glossary of common terms and abbreviations used in the industry, with links to more in-depth articles on key words
Zafiro (crude) - a medium, sweet crude grade produced in Equatorial Guinea
Zarzaitine (crude) - a light, sweet crude grade produced in Algeria
Zeolite - a type of catalyst commonly used in process units in refining that employs catalyst structure and surface area to increase its impact
ZSM 5 - a catalyst additive used in FCCs to improve yield of olefins to increase refinery grade propylene production and provide more propylene and butylene feed to alkylation
Zueitina (crude) - a light, sweet crude grade produced in Libya