Refining Community Logo

SDA Licensors


Solvent Deasphalting/ solvent deasphalters/ solvent de-asphalters and its variations are trademarked by several licensors and are known by various names.

 Four main licensors
LicensorTrademarked Name
UOP / Wood Foster WheelerUOP/FW-SDA™, SDA-RT. UOP DEMEX™. UOP and FosterWheeler merged their technologies in 1996.
AxensSolvahl™ process developed by Asvahl
RIPP (Research institute of Petroleum Products)Superficial solvent deasphalting-DAO Hydrotreating-FCC technology (SHF) developed by Sinopec
Other companies working with SDA
Pörner Group / SDA Plus, Well Resources - SELEX-Asp, McDermott, Shell, Petrobras, ExxonMobil, ThyssenKrup, PetroChina
Solvent Deasphalting: Why is there so much buzz?
SDA pitch to power generation Solvent Deasphalting Pitch for power generation with KBR ROSE® and MHPS power plant
SDA enhances Crude-to-ChemicalsSolvent Deasphalting Enhances Conversion in Crude-to-Chemicals Facilities
Shell Pernis Solvent DeasphalterShell Pernis SDA
LOTOS solvent de-asphalter (SDA) Solvent Deasphalting
Solvent Deasphalting 101Solvent Deasphalting 101
RefComm® Solvent Deasphalting (SDA) user communitySolvent De-asphalting Community (User Group)
SDA trademarks, licensors and acronymsSDA licensors
Wood / UOP Solvent Deasphalting licensorsWood / UOP SDA Licensor

2 responses to “SDA Licensors”

  1. […] and construction) where we openly discuss issues and solutions that are common across the various licensors and unit […]

  2. […] from both the product streams. The Solvent Deasphalting process achieves ~35 % conversion. Major licensors of Solvent Deasphalting Process are  as […]

Leave a Reply

Your email address will not be published. Required fields are marked *

Posted by: Paul R Orlowski

Paul Orlowski is General Manager for the Refining Community which includes,,, Resid Hydrocracking and SDA. They consult at refineries around the world. They've hosted 36 technical conferences around the globe, trained 1,000's and completed very beneficial consulting and troubleshooting projects. Paul co-founded Inc in 1998 with Gary Pitman. Evan Hyde later joined the team. Besides being an educator and software applications engineer, he worked 18 years at ARCO and BP refineries near Seattle, WA USA. Previously he worked for Science Applications International Corporation and Dealer Information Systems. In 2019 look for #RefComm Galveston Coking | CatCracking | Resid Hydrocracking and RefComm® Rotterdam Coking | CatCracking. In 2020 Galveston; Gdansk, Poland and Rio de Janeiro, Brazil and Singapore.

Refining Community