Atmospheric and Vacuum Distillation

Goal:

To enhance the participants' knowledge, skills, and abilities necessary for better understanding of distillation and corrosion control.

Objectives:

By the end of this course, participant will be able to:

  • Understand the initial fractionation of crude oil.

  • Analyse operating conditions of an atmospheric distillation unit (ADU).

  • Be Familiar with desalting and corrosion controls.

  • Analyse operating conditions of a vacuum distillation unit.

  • Be familiar with operation of the multi-draw off columns

Outlines:

  • 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 - Overflash.
  • Product Stripping.
  • Heat Balance of the Column – Pump Rounds.
  • Liquid - Vapor Flows: Fractionation and Heat Exchange Zone.
  • Desalting and Corrosion Control.
  • Corrosion by Sulfur, Napthenic Acids and Mineral Salts.
  • Crude Oil Desiting; 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.
  • 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’s.

Operators.