2020 REFINING PROCESSES HANDBOOK PROCESS CATEGORIES COMPANY INDEX Siirtec Nigi Desulfurization-Advanced Ammonia Claus Desulfurization-Ammonia Claus Desulfurization-Integrated Claus Desulfurization-Sulfur Degassing Desulfurization-Tail Gas Clean Up (HCR) Oxygen Enrichment-Claus, oxygen-enriched (SplitOxy) Copyright © 2020 Gulf Energy Information. All rights reserved.http://www.hydrocarbonprocessing.com/