Application Description The Impact Of Poor Quality Olefin Feedstocks The Importance Of Alky Unit Pre-treatment Typical Process Conditions VULCAN VIG Catalyst Morphology Selective Hydrogenation of Acetylenes and Alkenes Alkylation Reaction Chemistry ALKYLATION CHEMISTRY AND PROCESS VARIABLES What Are VULCAN Processes FIXED BED PROCESSES Advantages Dis-Advantages VULCAN UltraPurification Guards VULCAN UltraPurification Impurities VULCAN Sulfur Guards VULCAN Guards - Prediction Of Sulfur In Feed Basic HDS Reactions Mechanisms for DBT desulfurization Relative Reactivities of Three benzothiophene molecules