Gasoline treating is a vital part of the modernized refinery operation. The gasoline treater includes treating facilities for Light Straight Run (LSR) Naphtha along with Potassium Cresylate treat solution regeneration. The facility setup can be two parallel treaters, one treating LSR Naphtha, and the other can treat light FCC Naphtha. The Potassium Cresylate regeneration system regenerates the spent Potassium Cresylate solution by air oxidation for reuse in the gasoline treaters.

  • Feed Inputs: Light Straight Run (LSR) Naphtha
  • Temperature / Pressure: Ambient to 150°F / 65 psi.
  • Products / Outputs: Treated Naphtha
  • Major equipment involved in the Gasoline Treater Process: Caustic prewash settlers, contactors, coalescers, electric precipricators, Potassium Cresylate regenerator, flash tower, fume gas K.O. pot, disulfide contactor & settler, naphtha settler, storage area, exchangers, and pumps.
  • Safety Hazards to Consider: Flammable naphtha, caustic potash (Potassium Hydroxide), Potassium Cresylate solution, and rotating equipment.

Potential Exposure

Gasoline treating is a continuous process and the streams are contained in piping and vessels. The potential for exposure is limited, but can occur during sampling, maintenance, or in the event of a leak, plant upset, or turnaround.

Skin, Eye: The Potassium Cresylate has the potential for skin contact with aliphatic of aromatic Naphthas. Accidental skin contact with aliphatic or aromatic naphtha may cause slight to moderate irritation. Skin irritation can be severe if the liquid becomes trapped inside gloves or shoes. Avoid prolonged or repeated contact by using protective clothing, including impermeable gloves. Contact with strong Potassium Cresylate solution can cause skin and eye damage if not removed immediately by flushing with water. You must wear proper protective equipment, including gloves and eye protection, when handling Potassium Cresylate solutions. Spent Potassium Cresylate may contain corrosive and flammable components.