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Base Oil Production

3 days RPC/BOR
Level
Discovery
Audience
  • Technical staff from oil or lubricant industries, or subcontractors interested in base oil refining technology and environment.
Purpose
  • This course provides a deepen technical knowledge of lube base stocks manufacturing with an overview of the business environment.
Learning Objectives
  • Upon completion of the course, participants will be able to:
  • gain an overview of lubricant uses, classifications and markets,
  • understand the relation between quality requirements, processes used and composition of lube base stocks and by-products,
  • learn about main operating parameters and their impact on performance.
Prerequisite
  • No prerequisites for this course.

CLASSIFICATION & PROPERTIES OF BASE OILS 0.25 day
  • Commercial lubricant function and composition, purpose of additive introduction, demand structure.
  • Mineral base oil classification, market trends.
  • Main quality criteria in relation with chemical composition, specifications.
STRUCTURE OF BASE OIL MARKET 0.25 day
  • Market demand in relationship with uses of lube oils.
  • International market and future trends in main developing countries.
BASE OIL MANUFACTURING SCHEMES 0.25 day
  • Composition of vacuum distillates and residue: influence on refining.
  • Conventional manufacturing scheme vs base oil manufacture by hydrotreatment: units’ purpose, products quality.
  • Rerefining of drained lubricants.
BASE OIL CONVENTIONAL REFINING PROCESSES 0.75 day
  • Vacuum distillation:
  • Residue fractionation: distillates yields depending on crude oil.
  • Operating conditions. Quality control: viscosity and flash point tuning.
  • Solvent extraction:
  • Vacuum residue deasphalting and aromatics extraction: solvent choice, operating variables, viscosity and VI control.
  • Solvent recovery, energy consumption.
  • Solvent dewaxing:
  • Paraffin crystallization in the presence of a solvent: operating conditions.
  • Specific equipment: chillers, rotating filters.
BASE OIL UNCONVENTIONAL REFINING PROCESSES 1.5 days
  • Hydrotreatment processes:
  • Typical process flow diagram - Main equipment: reactor, heaters, heat exchanger.
  • Chemical reactions and catalyst for hydrotreating.
  • Operating conditions: pressure, temperature, hydrogen ratio, WABT.
  • Impact of conditions on quality: pour point, viscosities, VI, CCR, …
  • Hydrorefining: hydrocracking of vacuum distillates and deasphalted oil.
  • Hydrodewaxing: hydroisomerization of slack wax/gatsch.
  • Hydrofinishing:
  • hydrofinishing of lube basestocks, paraffins and microwaxes,
  • white oils manufacturing principles: required properties.
  • Operation and troubleshooting:
  • Impact of the operating parameters on yield and product quality, tuning and optimization.
  • Adjusting the operating conditions to compensate for variable feed quality and the ageing of the catalyst, monitoring the activity of the catalyst.
  • Study of the industrial risks of this operation.
  • Disturbances and incidents.