The Refinery Solutions business includes a set of offerings focused on management of the sulfur molecule. Today, petroleum refiners use sulfuric acid as a catalyst in alkylation and are handling crude oil with higher sulfur content than ever. At the same time, they are being required to produce low-sulfur products, and to reduce the sulfuric emissions they generate in the process. DuPont Refinery Solutions offers science-based services and solutions to help petroleum refiners respond to these challenges in a way that reduces their environmental footprint.

Refinery Solutions also has significant growth potential, driven in large part by various environmental and energy policies that include the Federal Energy Bill, EPA’s New Source Performance Standards (NSPS) enforcement actions, and a range of low sulfur regulations. DuPont Refinery Solutions provides integrated clean air solutions to refiners, enabling them to reduce their environmental footprint through DuPont’s sulfur molecular science.

Current offerings include:

SAR: For decades, DuPont has offered sulfuric acid regeneration (SAR) services to refiners who use sulfuric acid as a catalyst in alkylation, which adds octane to fuel for performance purposes. This process generates a “spent acid” waste stream, which can be brought to a DuPont SAR facility, regenerated, and sent back to the refiner for re-use as a catalyst. This minimizes waste and captures value from it.

• DuPont has one off-site SAR facility in Burnside, Louisiana, which started operations in 1967.

On-site SAR: In 2002, DuPont began to offer on-site SAR services at customer refineries, and has built or is building on-site SAR units at three initial locations in Delaware, New Jersey and Texas:

• Red Lion SAR at Valero Facility in Delaware City, Delaware: This site began operation in August 2005 at a refinery that was owned by Motiva and Premcor before being acquired by Valero in mid-2005.
• Morse's Mill SAR at ConocoPhillips refinery in Linden, New Jersey: Groundbreaking was held recently, with plans for the site to be operational by early 2008.
• El Paso SAR at Western Refining refinery in El Paso, Texas: Construction has begun on this site, which is expected to begin operation by mid-2007.

Stratco: In 2003, DuPont acquired Stratco, a leading provider of alkylation solutions that use sulfuric acid as a catalyst. This allowed DuPont to offer refiners an integrated solution: an on-site Stratco alkylation unit sends spent acid to an on-site SAR, which regenerates it and sends sulfuric acid back to the Stratco unit for re-use. This creates a continual loop that helps reduce sulfuric emissions and provide sulfuric acid for the process.

Belco: In 2006, DuPont finalized the acquisition of Belco Technologies, a company known for providing the refinery industry with world-class air quality control technology – significantly reducing SOx and NOx emissions in the process. Combined with DuPont’s leading technology in sulfuric acid alkylation, sulfuric acid regeneration and sulfur gas recovery, this added expertise enables Refinery Solutions to provide customers with a single source solution for their more difficult sulfur-related challenges.

Secure Environmental Treatment (SET): DuPont™ Secure Environmental Treatment (SET) is the world's largest commercial and industrial wastewater treatment facility, handling up to 40 million gallons of wastewater every day -- quickly, safely, and cost-effectively. The SET technology is unique to DuPont and can handle a variety of waste streams.

09/06