Treating and Sulfur Recovery Operations

Topic I: Introduction to Treating and Sulfur Recovery – State the purpose of treating and sulfur recovery. – Identify two types of sulfur compounds contained in crude fractions and explain how they can be removed or converted. – Describe a basic caustic wash process. – Identify hazards associated with caustic use. Topic II: Amine Treating Part 1 – Identify typical amines used for treating fractions to remove Hydrogen sulfide (H2S). – Describe the equipment and operation of a typical amine treatment unit. Topic III: Amine Treating Part 2 – Describe process variables and conditions associated with a typical amine treating process. – Explain why foaming is a problem and how it can be minimized. Topic IV: Mercaptan Extraction – Describe the equipment and operation of a typical mercaptan extraction process. – Identify process variables and conditions associated with mercaptan extraction. Topic V: Mercaptan Conversion – Describe the operation of a liquid-liquid mercaptan conversion system. – Describe the operation of a fixed bed mercaptan conversion system. – Identify process variables and conditions associated with liquid-liquid and fixed bed mercaptan conversion systems. Topic VI: Sulfur Recovery – Explain the major process reactions involved in Claus type sulfur recovery. – Identify the equipment in a Claus type sulfur recovery unit and describe the units operation. – Describe process variables and conditions associated with sulfur recovery unit operations.