2020 REFINING PROCESSES HANDBOOK PROCESS CATEGORIES COMPANY INDEX Oxygen enrichment Claus units Linde Engineering North America Claus, oxygen-enriched (SplitOxy) Siirtec Nigi FCC units Linde Engineering North America Vacuum Swing Adsorption (VSA) On-Demand Oxygen Generation Air Liquide Copyright © 2020 Gulf Energy Information. All rights reserved.http://www.hydrocarbonprocessing.com/