Course Objectives

• To improve understanding of distillation and corrosion control.

Course Outline

• Initial Fractionation of Crude Oil.
  • TBP analysis of crude oils.
  • Determination of petroleum fractions in view of their end-use.
  • Crude oils: overall properties and yields.
  • Main crude oil fractionation schemes.
• Analysis of Operating Conditions of an Atmospheric Distillation Unit (ADU).
  • Typical unit: process scheme, operating conditions.
  • Material balance: crude oil yields, product characteristics, separation quality.
  • Crude intake temperature - over flash.
  • Product stripping.
  • Heat balance of the column – pump rounds.
  • Liquid - vapor flows: fractionation and heat exchange zone.
• Desalting and Corrosion Control.
  • Corrosion by sulfur, naphthenic acids and mineral salts.
  • Crude oil desisting; desalter operation, operating variables incidents and troubleshooting.
  • Further neutralizing treatment.
• Analysis of Operating Conditions of a Vacuum Distillation Unit.
  • Typical unit: process scheme, operating conditions.
  • Material balance and separation quality.
  • Vacuum system (Operating of steam ejectors and liquid ring pumps. Operating conditions and supervision of vacuum systems. Comparative performance. Main incidents: causes and troubleshooting. Operation of the column and internals: fractionation, heat exchange and washing zone.
• Operation of the Multi-Draw off Columns.
  • Different control systems used in atmospheric and vacuum distillation columns.
  • Cut point control
  • Separation control.
  • Influence of pressure.

Who can benefit?

• Chemicals engineers.
• Forman.
• Operators.