CE IGCC repowering project hot gas clean up system
With sponsorship from the Department of Energy (DOE), and the state of Illinois, Combustion Engineering, Inc. is currently developing a design for a 60 Mw IGCC (Integrated Coal Gasification Combined Cycle) for City Water, Light & Power (CWL&P) in Springfield, Illinois. In addition, to DOE and the state of Illinois, Combustion Engineering, Inc. and CWL&P are contributing to the project. In order to obtain a high thermal efficiency, a hot gas cleanup system has been incorporated for product gas clean up. The cleanup system currently incorporated in the system design is one that is being developed by General Electric Environmental Services, Inc. (GEESI). This is a moving bed process which includes the regeneration of the sorbent material. Testing of the system is currently underway in GEESI`s pilot plant in Schenectady, New York. The hot gas clean up system will use a moving-bed of zinc titanate as an absorbent material to capture gaseous sulfur species in the gas. The cleanup system will be required to operate in a range of 850--1150{degree}F (454--621{degree}C) and under a pressure of 20 atmospheres. Results of the tests indicate that overall sulfur efficiency exceeds 95%, the zinc titanate can be regenerated, and produces an SO{sub 2}-rich tail gas suitable for conversion to sulfuric acid, elemental sulfur or disposable waste.
- Research Organization:
- Combustion Engineering, Inc., Windsor, CT (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- FC21-91MC26308
- OSTI ID:
- 10117457
- Report Number(s):
- DOE/MC/26308-3545; ON: DE94000070; BR: AZ0401010
- Resource Relation:
- Other Information: PBD: Sep 1993
- Country of Publication:
- United States
- Language:
- English
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