The Crude Distillation and Vacuum Units (most commonly called “CDU” and ”VDU”) are challenged with a variety of problems that include hydrocarbon losses, reliability concerns, quality giveaways and energy costs. 

Dorf Ketal offers refiners programs for achieving key performance indicators (KPIs) for the refinery’s run-length objectives and to maximize the facility’s operating profitability. Dorf Ketal offers chemical programs for crude/vacuum units that include:

  • Desalting  (including metal and tramp amine removal)
  • Preheat exchanger train and heater fouling control
  • Atmospheric unit overhead corrosion control
  • Vacuum unit overhead corrosion control
  • High temperature (naphthenic acid) corrosion control


Delivering profitable reliable results.
Find out how we can help you succeed within your industry.
Contact Us