Presentation on theme: "Terry Harris (Environmental Manager)"— Presentation transcript:
1Terry Harris (Environmental Manager) SunCoke Energy Middletown Operations (MTO): Its First 2 years of Operation
2WHO IS SUNCOKE ENERGY MTO? Originally named the “Middletown Coke Company” in its 2008 PTI applicationPlant was constructed on a greenfield site in the southern section of Middletown (on Yankee Road adjacent to Monroe)Construction commenced in February 2010 and the plant started-up on October 29,2011.Plant consists of 100 non-recovery metallurgical coke ovens, organized into 3 batteries along with coal/coke material handling equipment.
3SunCoke Manufacturing Process MTO’s coke ovens have a proprietary design that enables them to produce coke with minimal HAP emissions (defined as MACT)Flue gases from the ovens are routed to Heat Recovery Steam Generators (HRSGs) to recover waste heat and produce superheated steamThe superheated steam is sent to a steam turbine to generate electricity (up to 67 MW)The cooled flue gas is routed to a Flue Gas Desulfurization system for SO2, PM, Hg, and acid gas emissions control
5Major MTO challenges during its first 2 years of Operation Community RelationsOperationalRegulatory
6Community Relations Challenges “NIMBY” syndrome with certain Monroe residents who live adjacent to MTO resulted in the formation of the “SunCoke Watch” organization. Plant construction was delayed to address various community concerns. MTO formed a Community Advisory Panel (CAP) which meets bi-monthly to maintain an active dialogue with its stakeholders.SunCoke Watch, Monroe, and the NRDC appealed OEPA’s issuance of MTO’s PTI. The appeal was eventually settled in July 2012.During its first year of operation, MTO was typically blamed for all odor and PM deposition nuisances that occurred in the area. MTO responded by implementing a progressive complaint investigation program to address all nuisance complaints it receives.
7Operational Challenges Startup of Flue Gas Desulfurization System – 12/1/11 dusting eventProcess control system malfunctions1/4/12 UPS trip: 6 days of intermittent bypass venting3/2/12 Steam Turbine trip – 2 days of bypass ventingFlue Gas Desulfurization system malfunctions10/5/12 Spray Dryer Adsorber malfunction – 7 days of bypass ventingHRSG malfunctions – most frequent type of malfunction MTO experience (HRSGs don’t have backups)Dust issues – MTO installed additional dust control equipment on its coke conveying system to reduce the potential for generating visible emissionsHg emission control issue - new system currently being installed to meet Hg emission control requirements
8Regulatory Challenges High level of scrutiny from SWOAQA and OEPAFrequent agency visits & contactsAny deviation MTO experiences usually results in the issuance of a Notice of Violation by the agencyUnsatisfactory environmental performance at other SunCoke locationsSunCoke plants in Franklin Furnace, OH and Granite City, IL are subject to a consent decree with USEPA, OEPA, and IEPA which requires them to install redundant HRSGs to reduce their bypass ventingMTO is on USEPA’s radar as a result of their performance
9The FutureMTO’s new Hg emission control system will be on-line in OctoberMTO continues to make improvements in the reliability of its HRSGsMTO will continue to be a good neighbor that is responsive to community and regulatory issues.