Technology Unit

The Process is equipped with several Strippers:

• Any Remaining Solvent in DAO from the DAO Separator is removed in a DAO Stripper Column, and the DAO Product is then typically sent as a quality Feedstock to Fuels Cracking Processes or used in the Production of Lubricating Oils.
• Pitch with some entrained Solvent withdrawn from the Bottom of the Extractor is sent to the Pitch Stripping Section. The Pitch can be used in Specification Asphalts, as Fuel, or as Feedstock to Conversion Units such as a Delayed Coker or Gasifier.
• If desired, a second Extraction Stage is utilized to produce an intermediate Resin Product.