Toledo Environmental Projects
Sunoco reached an agreement with the U. S. EPA in 2005 to implement improvement projects to install additional pollution control devices reducing nitrogen oxide and sulfur dioxide emissions at four refineries, including the Toledo Refinery. In late 2005, the Toledo Refinery began working with design and construction firms including Fluor, Belco, CB&I and Mitsubishi for two projects. Construction began in early 2007 and anticipated completion is for late 2009.
The projects involve installation of a Flue Gas Treatment Unit (FGTU) on the Fluid Catalytic Cracker (FCC) and a new Sulfur Recovery Unit/Tail Gas Treatment Units (SRU/TGTU). The Flare Gas Treatment Unit will remove nitrogen oxide, sulfur dioxide, and particulates from the FCC flue gas stream. The FGTU is designed to reduce nitrogen oxide and sulfur dioxide emissions by 85% and over 97%, respectively. In doing so, the unit will circulate enough water annually to fill over 12,000 Olympic-sized swimming pools.
The new Sulfur Recovery Unit and Tail Gas Treatment Units will be connected to the existing Sulfur Recovery Unit, providing the refinery 100% redundancy for sulfur recovery. The Tail Gas Treatment Unit, located on each of the SRUs, reduces sulfur dioxide emissions by over 95%.
The Toledo projects will involve over:$400 million in costs;
- 1.0 million-plus hours of engineering design
- 2.5 million work hours for construction
- 1,200 tons of steel
- 68,000 feet of pipe
- 350,000 feet of electrical cable
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